FNUS51 KBOX 180809 FWFBOX Fire Weather Planning Forecast for Southern New England National Weather Service Boston/Norton MA 409 AM EDT Mon May 18 2026 .DISCUSSION... Mainly dry and unseasonably warm today in the interior with cooler temperatures near the coast. A spot shower is possible in western MA/CT this afternoon. Record heat likely Tuesday with a few showers and thunderstorms possible in the afternoon. Minimum relative humidity this afternoon will be 35 to 45 percent, except 45 to 60 percent along the coastlines. On Tuesday, minimum relative humidity will be 30 to 40 percent, except 50 to 60 percent along the immediate south coast and Cape/Islands. .OUTLOOK...Wednesday through Sunday... Hot conditions continue into Wednesday with scattered strong to severe thunderstorms in the afternoon as a cold front moves into the region. Turning cooler and drier Thursday and Friday, then an approaching frontal boundary from the south will bring an increasing risk for showers next weekend. MAZ015-182000- Suffolk MA- Including the city of Boston 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (-5) 62 (+5) 95 RH % (24h trend) 40 (+6) 84 (+6) 31 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) E 7 S 5 SW 9 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2270 470 7050 Transport Wnd (kts) SE 11 SW 13 W 17 Vent Rate (kt-ft) 24970 6110 119850 Max ADI Early 15 Gen Poor 15 Gen Poor 43 Gen Good Max ADI Late 19 Gen Poor 15 Gen Poor 75 Good Max LVORI Early 2 4 1 Max LVORI Late 2 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows around 70. Southwest winds 10 to 15 mph. .WEDNESDAY...Showers. Highs around 90. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. North winds 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows around 50. Highs in the lower 60s. East winds 5 to 10 mph. $$ MAZ016-182000- Eastern Norfolk MA- Including the city of Quincy 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None None Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (-5) 61 (+4) 95 RH % (24h trend) 39 (+6) 87 (+12) 31 20ft Wnd AM(mph) Lgt/Var SW 6 20ft Wnd PM(mph) SE 7 S 6 SW 9 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2930 460 6230 Transport Wnd (kts) S 11 SW 13 W 17 Vent Rate (kt-ft) 32230 5980 105910 Max ADI Early 26 Fair 22 Fair 42 Gen Good Max ADI Late 37 Fair 16 Gen Poor 68 Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Showers. Highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 10 to 15 mph. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Much cooler. Lows 49 to 54. Highs in the upper 60s. North winds 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the lower 60s. East winds 5 to 10 mph. $$ MAZ013-182000- Western Norfolk MA- Including the cities of Foxborough and Norwood 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 80 (-5) 61 (+4) 94 RH % (24h trend) 38 (+5) 90 (+9) 34 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) S 6 S 5 SW 8 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 3530 440 8000 Transport Wnd (kts) S 14 SW 11 W 21 Vent Rate (kt-ft) 49420 4840 168000 Max ADI Early 41 Gen Good 37 Fair 51 Gen Good Max ADI Late 62 Good 12 Poor 104 Very Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 8 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the lower 90s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely.Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Much cooler. Lows 47 to 53. Highs in the upper 60s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ MAZ014-182000- Southeast Middlesex MA- Including the city of Cambridge 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 10 Temp (24h trend) 78 (-7) 63 (+5) 95 RH % (24h trend) 38 (+5) 81 (+6) 31 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) E 7 S 5 SW 9 G21 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 3 PM Precip End 5 PM Mixing Hgt (ft-AGL) 2800 460 8700 Transport Wnd (kts) SE 12 SW 11 W 19 Vent Rate (kt-ft) 33600 5060 165300 Max ADI Early 31 Fair 24 Fair 71 Good Max ADI Late 41 Gen Good 13 Gen Poor 104 Very Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the lower 90s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the lower 60s. Northeast winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers. Highs in the mid 60s. Northeast winds around 5 mph. $$ MAZ007-182000- Eastern Essex MA- Including the city of Gloucester 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 71 (-10) 57 (+2) 94 RH % (24h trend) 44 (+10) 93 (+9) 32 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) SE 6 S 5 SW 8 G19 Precip Amount0.00 0.00 0.01 Precip Duration 0 Precip Begin 3 PM Precip End 5 PM Mixing Hgt (ft-AGL) 1610 410 5730 Transport Wnd (kts) SE 11 S 11 W 16 Vent Rate (kt-ft) 17710 4510 91680 Max ADI Early 14 Gen Poor 14 Gen Poor 37 Fair Max ADI Late 17 Gen Poor 14 Gen Poor 66 Good Max LVORI Early 2 5 1 Max LVORI Late 2 5 1 Min Vsby Early 9 9 9 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the mid 80s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the mid 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. Northwest winds 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the lower 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with showers likely. Lows in the upper 40s. Highs around 60. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy with a chance of showers. Highs in the lower 60s. Northeast winds 5 to 10 mph. $$ MAZ006-182000- Western Essex MA- Including the city of Lawrence 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None None Chance Precip (%) 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 74 (-10) 58 (+2) 94 RH % (24h trend) 37 (+5) 87 (+9) 31 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) SE 6 Lgt/Var SW 8 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2950 430 8400 Transport Wnd (kts) S 12 SW 10 W 20 Vent Rate (kt-ft) 35400 4300 168000 Max ADI Early 33 Fair 15 Gen Poor 93 Good Max ADI Late 46 Gen Good 11 Poor 105 Very Good Max LVORI Early 2 4 1 Max LVORI Late 2 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs around 90. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY...Mostly cloudy with showers likely. Highs in the lower 60s. Southeast winds around 5 mph. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a chance of showers. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ MAZ005-182000- Central Middlesex MA- Including the cities of Framingham and Lowell 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 10 Temp (24h trend) 82 (-3) 62 (+5) 95 RH % (24h trend) 37 (+5) 84 (+3) 32 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) SE 6 Lgt/Var SW 8 G20 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 3 PM Precip End 5 PM Mixing Hgt (ft-AGL) 3880 430 8490 Transport Wnd (kts) S 13 SW 10 W 20 Vent Rate (kt-ft) 50440 4300 169800 Max ADI Early 42 Gen Good 36 Fair 77 Good Max ADI Late 63 Good 12 Poor 105 Very Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 8 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the lower 60s. Northeast winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers. Highs in the mid 60s. Northeast winds around 5 mph. $$ MAZ012-182000- Southern Worcester MA- Including the cities of Milford and Worcester 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 10 Temp (24h trend) 84 (0) 63 (+5) 95 RH % (24h trend) 37 (0) 84 (0) 34 20ft Wnd AM(mph) Lgt/VarSW 5 G17 20ft Wnd PM(mph) S 6 G17 S 6 SW 9 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 3510 430 8030 Transport Wnd (kts) S 13 SW 11 W 22 Vent Rate (kt-ft) 45630 4730 176660 Max ADI Early 42 Gen Good 48 Gen Good 54 Gen Good Max ADI Late 63 Good 13 Gen Poor 93 Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 8 Min Vsby Late 9 9 8 Sunshine Hours N/A N/A N/A CWR 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows around 70. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ MAZ004-182000- Northern Worcester MA- Including the cities of Barre and Fitchburg 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 10 Temp (24h trend) 84 (+2) 63 (+7) 92 RH % (24h trend) 36 (+2) 87 (-3) 33 20ft Wnd AM(mph) Lgt/Var SW 5 G18 20ft Wnd PM(mph) S 6 G17 SW 5 W 9 G23 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 5 PM Mixing Hgt (ft-AGL) 3870 420 8550 Transport Wnd (kts) S 14 SW 11 W 21 Vent Rate (kt-ft) 54180 4620 179550 Max ADI Early 40 Fair 41 Gen Good 67 Good Max ADI Late 72 Good 13 Gen Poor 99 Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 8 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Showers likely. Lows 49 to 69. Highs in the upper 80s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the mid 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. South winds around 5 mph. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the lower 60s. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy with a chance of showers. Highs in the mid 60s. East winds around 5 mph. $$ MAZ026-182000- Northern Middlesex MA- Including the city of Ayer 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None None Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 82 (-1) 62 (+6) 94 RH % (24h trend) 38 (+4) 78 (-3) 34 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) SE 5 Lgt/Var W 7 G23 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 4230 440 8110 Transport Wnd (kts) S 14 W 11 W 22 Vent Rate (kt-ft) 59220 4840 178420 Max ADI Early 41 Gen Good 43 Gen Good 87 Good Max ADI Late 79 Good 11 Poor 105 Very Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows around 70. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the upper 80s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Cooler. Lows around 50. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the mid 60s. Northwest winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. South winds around 5 mph. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the lower 60s. Northeast winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers. Highs in the mid 60s. East winds around 5 mph. $$ MAZ002-182000- Western Franklin MA- Including the city of Charlemont 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 10 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 87 (+8) 63 (+8) 93 RH % (24h trend) 39 (+1) 87 (-3) 30 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 5 Lgt/Var W 7 G21 Precip Amount 0.00 0.00 0.00 Precip DurationPrecip Begin Precip End Mixing Hgt (ft-AGL) 4880 400 7710 Transport Wnd (kts) SW 17 SW 9 W 21 Vent Rate (kt-ft) 82960 3600 161910 Max ADI Early 42 Gen Good 36 Fair 105 Very Good Max ADI Late 103 Very Good10 Poor 105 Very Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly sunny with showers likely. Highs in the lower 80s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy with showers likely. Much cooler. Lows in the mid 40s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Cooler. Highs in the lower 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the lower 60s. North winds around 5 mph. $$ MAZ003-182000- Eastern Franklin MA- Including the cities of Greenfield and Orange 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 10 10 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 88 (+6) 63 (+7) 95 RH % (24h trend) 38 (+1) 87 (-3) 31 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 6 G18 S 6 G17 SW 8 G21 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 4 PM Mixing Hgt (ft-AGL) 4030 380 8370 Transport Wnd (kts) S 15 SW 7 W 20 Vent Rate (kt-ft) 60450 2660 167400 Max ADI Early 43 Gen Good 37 Fair 90 Good Max ADI Late 75 Good 9 Poor 104 Very Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly sunny with showers likely. Highs in the upper 80s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy with showers likely. Cooler. Lows in the upper 40s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the mid 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds around5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ MAZ008-182000- Western Hampshire MA- Including the city of Chesterfield 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 10 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 87 (+6) 64 (+8) 93 RH % (24h trend) 39 (+1) 84 (-6) 32 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 6 G17 Lgt/Var W 8 G21 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 4 PM Mixing Hgt (ft-AGL) 4980 420 8090 Transport Wnd (kts) SW 17 SW 10 W 21 Vent Rate (kt-ft) 84660 4200 169890 Max ADI Early 39 Fair 49 Gen Good 105 Very Good Max ADI Late 105 Very Good12 Poor 105 Very Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the mid 80s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy with showers likely. Much cooler. Lows in the mid 40s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Cooler. Highs in the mid 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the lower 60s. North winds around 5 mph. $$ MAZ010-182000- Eastern Hampshire MA- Including the cities of Amherst and Northampton 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 10 10 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 90 (+6) 64 (+6) 97 RH % (24h trend) 38 (+2) 87 (0) 31 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 8 G18 S 7 G18 SW 9 G22 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 4 PM Mixing Hgt (ft-AGL) 4360 390 8880 Transport Wnd (kts) S 15 S 8W 20 Vent Rate (kt-ft) 65400 3120 177600 Max ADI Early 41 Gen Good 38 Fair 62 Good Max ADI Late 75 Good 9 Poor 104 Very Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs around 90. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy with showers likely. Much cooler. Lows around 50. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. North winds around 5 mph. $$ MAZ009-182000- Western Hampden MA- Including the city of Blandford 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 10 10 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 88 (+6) 64 (+6) 94 RH % (24h trend) 39 (+2) 81 (-6) 31 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 6 G17 S 5 W 8 G22 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 4 PM Mixing Hgt (ft-AGL) 4860 450 8530 Transport Wnd (kts) SW 17 W 11 W 21 Vent Rate (kt-ft) 82620 4950 179130 Max ADI Early 34 Fair 57 Gen Good 104 Very Good Max ADI Late 104 Very Good13 Gen Poor 105 Very Good Max LVORI Early 1 4 1 Max LVORI Late 1 4 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the upper 80s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Much cooler. Lows in the upper 40s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the mid 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. Southeast winds around 5 mph. .SATURDAY...Mostly cloudy with showers likely. Highs in the lower 60s. East winds around 5 mph. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. Northeast winds around 5 mph. $$ MAZ011-182000- Eastern Hampden MA- Including the city of Springfield 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 88 (+3) 65 (+6) 96 RH % (24h trend) 37 (+3) 87 (0) 31 20ft Wnd AM(mph) Lgt/Var S 5 G17 20ft Wnd PM(mph) S 8 G20 S 7 G20 SW 10 G23 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 5 PM Mixing Hgt (ft-AGL) 4310 400 9070 Transport Wnd (kts) S 15 SW 9 W 21 Vent Rate (kt-ft) 64650 3600 190470 Max ADI Early 38 Fair 40 Fair 58 Gen Good Max ADI Late 65 Good 10 Poor 102 Very Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 8 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers. Highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. Northeast winds around 5 mph. $$ CTZ002-182000- Hartford CT- Including the cities of Hartford and Windsor Locks 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 88 (+2) 65 (+5) 96 RH % (24h trend) 36 (+2) 87 (0) 30 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 7 G20 S 6 G20 SW 9 G22 Precip Amount 0.00 0.00 0.01 Precip Duration 0 Precip Begin 2 PM Precip End 6 PM Mixing Hgt (ft-AGL) 4040 390 9090 Transport Wnd (kts) S 15 SW 9 W 20 Vent Rate (kt-ft) 60600 3510 181800 Max ADI Early 30 Fair 38 Fair 61 Good Max ADI Late 62 Good 10 Poor 103 Very Good Max LVORI Early1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 8 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 10 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 5 mph. .SATURDAY...Mostly cloudy with showers likely. Highs in the mid 60s. East winds around 5 mph. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with showers likely. Lows around 50. Highs in the upper 60s. Northeast winds around 5 mph. $$ CTZ003-182000- Tolland CT- Including the cities of Union and Vernon 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 10 Temp (24h trend) 86 (+1) 63 (+4) 94 RH % (24h trend) 39 (+2) 87 (0) 34 20ft Wnd AM(mph) Lgt/Var SW 5 G17 20ft Wnd PM(mph) S 7 G20 S 7 G20 SW 9 G23 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 3180 410 8350 Transport Wnd (kts) S 14 SW 10 W 21 Vent Rate (kt-ft) 44520 4100 175350 Max ADI Early 34 Fair 30 Fair 46 Gen Good Max ADI Late 49 Gen Good 11 Poor 89 Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 9 Min Vsby Late 9 9 9 Sunshine Hours N/A N/A N/A CWR 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows around 70. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Much cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ CTZ004-182000- Windham CT- Including the cities of Putnam and Willimantic 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 84 (0) 62 (+3) 94 RH % (24h trend) 40 (+3) 90 (+3) 35 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) S 7 G18 S 5 G17 SW 9 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2790 410 7590 Transport Wnd (kts) S 11 SW 10 W 20 Vent Rate (kt-ft) 30690 4100 151800 Max ADI Early 36 Fair 31 Fair 43 Gen Good Max ADI Late 50 Gen Good 11 Poor 81 Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 8 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 90s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Much cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ RIZ001-182000- Northwest Providence RI- Including the cities of Foster and Smithfield 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip (%) 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 82 (-2) 61 (+3) 93 RH % (24h trend) 41 (+4) 90 (+7) 36 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) S 7 S 5 SW 9 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2890 430 7690 Transport Wnd (kts) S 11 SW 11 W 21 Vent Rate (kt-ft) 31790 4730 161490 Max ADI Early 40 Fair 38 Fair 42 Gen Good Max ADI Late 48 Gen Good 14 Gen Poor 85 Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 99 8 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 90s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Much cooler. Lows 46 to 53. Highs in the upper 60s. North winds 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ RIZ002-182000- Southeast Providence RI- Including the city of Providence 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip (%) 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (-6) 59 (+1) 93 RH % (24h trend) 42 (+5) 90 (+9) 38 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) S 7 S 5 SW 9 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2790 440 6960 Transport Wnd (kts) S 11 SW 10 W 21 Vent Rate (kt-ft) 30690 4400 146160 Max ADI Early 42 Gen Good 27 Fair 40 Fair Max ADI Late 44 Gen Good 12 Poor 78 Good Max LVORI Early 1 5 1 Max LVORI Late 1 5 1 Min Vsby Early 9 9 7 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 90s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Much cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. West winds around 5 mph, becoming north after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds 5 to 10 mph. $$ RIZ003-182000- Western Kent RI- Including the cities of Coventry and West Greenwich 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Mclear Precip TypeNone None None Chance Precip (%) 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (-5) 60 (+1) 89 RH % (24h trend) 43 (+6) 90 (+9) 41 20ft Wnd AM(mph) E 5 SW 6 20ft Wnd PM(mph) SE 7 SW 5 SW 9 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2260 430 3950 Transport Wnd (kts) SE 11 SW 11 SW 19 Vent Rate (kt-ft) 24860 4730 75050 Max ADI Early 38 Fair 25 Fair 36 Fair Max ADI Late 35 Fair 13 Gen Poor 54 Gen Good Max LVORI Early 2 5 1 Max LVORI Late 2 5 1 Min Vsby Early 9 9 8 Min Vsby Late 9 7 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the upper 80s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Much cooler. Highs in the upper 60s. North winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southwest winds around 5 mph, becoming north after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ RIZ004-182000- Eastern Kent RI- Including the cities of East Greenwich, Warwick, and West Warwick 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Mclear Precip Type None None None Chance Precip (%) 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 78 (-6) 59 (0) 90 RH % (24h trend) 41 (+4) 96 (+15) 39 20ft Wnd AM(mph) Lgt/Var SW 6 20ft Wnd PM(mph) S 8 S 5 SW 10 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2270 440 3500 Transport Wnd (kts) SE 11 SW 10 SW 18 Vent Rate (kt-ft) 24970 4400 63000 Max ADI Early 34 Fair 22 Fair 34 Fair Max ADI Late 34 Fair 12 Poor 49 Gen Good Max LVORI Early 2 6 2 Max LVORI Late 2 6 2 Min Vsby Early 9 9 7 Min Vsby Late 9 8 9 Sunshine Hours N/A N/A N/A CWR0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the upper 80s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southwest winds around 5 mph, becoming north after midnight. .FRIDAY...Partly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds 5 to 10 mph. $$ RIZ005-182000- Bristol RI- Including the city of Bristol 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 76 (-5) 57 (-1) 86 RH % (24h trend) 45 (+2) 100 (+13) 43 20ft Wnd AM(mph) E 5 S 7 20ft Wnd PM(mph) S 8 S 7 S 11 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2320 400 2180 Transport Wnd (kts) SE 11 SW 10 SW 17 Vent Rate (kt-ft) 25520 4000 37060 Max ADI Early 34 Fair 16 Gen Poor 22 Fair Max ADI Late 34 Fair 12 Poor 30 Fair Max LVORI Early 2 6 2 Max LVORI Late 2 6 2 Min Vsby Early 9 9 7 Min Vsby Late 9 7 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the mid 80s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Cooler. Highs in the upper 60s. North winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph, becoming north after midnight. .FRIDAY...Partly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows around 50. Highs in the lower 60s. East winds 5 to 10 mph. $$ RIZ006-182000- Washington RI- Including the cities of Narragansett and Westerly 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 Chance of Thunder (%) 00 0 Temp (24h trend) 76 (-3) 56 (-2) 85 RH % (24h trend) 43 (+3) 100 (+7) 41 20ft Wnd AM(mph) E 5 SW 6 20ft Wnd PM(mph) SE 6 Lgt/Var SW 9 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 1820 400 2020 Transport Wnd (kts) E 11 SW 11 SW 15 Vent Rate (kt-ft) 20020 4400 30300 Max ADI Early 27 Fair 13 Gen Poor 28 Fair Max ADI Late 24 Fair 12 Poor 27 Fair Max LVORI Early 2 6 2 Max LVORI Late 2 6 2 Min Vsby Early 9 3 Fog 7 Min Vsby Late 9 2 Fog 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the mid 80s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Cooler. Highs in the upper 60s. North winds 5 to 10 mph, becoming east in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph, becoming north after midnight. .FRIDAY...Partly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. Southeast winds 5 to 10 mph. $$ RIZ007-182000- Newport RI- Including the city of Newport 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 74 (-2) 56 (-1) 81 RH % (24h trend) 43 (-1) 100 (+7) 49 20ft Wnd AM(mph) E 6 SW 8 G17 20ft Wnd PM(mph) SE 8 S 6 SW 12 G20 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 1540 400 1000 Transport Wnd (kts) SE 11 S 11 SW 15 Vent Rate (kt-ft) 16940 4400 15000 Max ADI Early 18 Gen Poor 13 Gen Poor 19 Gen Poor Max ADI Late 17 Gen Poor 13 Gen Poor 22 Fair Max LVORI Early 3 6 3 Max LVORI Late 3 6 3 Min Vsby Early 9 4 Fog 6 Fog Min Vsby Late 9 3 Fog 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs around 80. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 50s. Northwest winds 10 to 15 mph. .THURSDAY...Partly sunny. Cooler. Highs in the upper 60s. North winds 5 to 10 mph, becoming northeast in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph, becoming north after midnight. .FRIDAY...Partly sunny. Highs in the lower 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows around 50. Highs in the lower 60s. Southeast winds 5 to 10 mph. $$ RIZ008-182000- Block Island RI- Including the city of New Shoreham 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (0) 55 (+1) 73 RH % (24h trend) 65 (-3) 100 (0) 61 20ft Wnd AM(mph) E 7 SW 10 G18 20ft Wnd PM(mph) SE 7 SW 7 SW 13 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 490 340 530 Transport Wnd (kts) E 12 SW 13 SW 20 Vent Rate (kt-ft) 5880 4420 10600 Max ADI Early 18 Gen Poor 15 Gen Poor 22 Fair Max ADI Late 13 Gen Poor 23 Fair 28 Fair Max LVORI Early 4 5 4 Max LVORI Late 4 5 4 Min Vsby Early 9 1 Fog 5 Fog Min Vsby Late 8 0 Fog 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with a chance of showers. Highs around 70. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the lower 50s. West winds 10 to 15 mph. .THURSDAY...Partly sunny. Highs in the mid 60s. North winds 5 to 10 mph, becoming southeast in the afternoon. .THURSDAY NIGHT...Mostly cloudy. Lows around 50. Southeast winds around 5 mph, becoming northeast after midnight. .FRIDAY...Partly sunny. Highs in the upper 50s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows around 50. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy with showers likely. Highs around 60. East winds 5 to 10 mph. .SATURDAY NIGHT...Cloudy with showers likely. Lows in the lower 50s. East winds around 10 mph. .SUNDAY...Mostly cloudy with showers likely. Highs in the lower 60s. Southeast winds around 10 mph. $$ MAZ017-182000- Northern Bristol MA- Including the city of Taunton 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Mclear Pcldy Precip Type None None None Chance Precip (%) 20Chance of Thunder (%) 0 0 0 Temp (24h trend) 78 (-7) 59 (+2) 92 RH % (24h trend) 39 (+5) 90 (+9) 38 20ft Wnd AM(mph) Lgt/Var Lgt/Var 20ft Wnd PM(mph) S 6 S 5 SW 9 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 3110 430 6800 Transport Wnd (kts) S 11 SW 10 W 20 Vent Rate (kt-ft) 34210 4300 136000 Max ADI Early 41 Gen Good 26 Fair 41 Gen Good Max ADI Late 52 Gen Good 11 Poor 76 Good Max LVORI Early 1 6 1 Max LVORI Late 1 6 1 Min Vsby Early 9 9 7 Min Vsby Late 9 7 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs in the lower 90s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Much cooler. Highs in the upper 60s. North winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds around 5 mph, becoming north after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. East winds around 5 mph. $$ MAZ018-182000- Western Plymouth MA- Including the city of Brockton 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 78 (-7) 58 (+2) 91 RH % (24h trend) 39 (+6) 96 (+18) 37 20ft Wnd AM(mph) Lgt/Var SW 5 20ft Wnd PM(mph) SE 6 S 5 SW 9 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2990 450 6030 Transport Wnd (kts) SE 10 SW 11 SW 20 Vent Rate (kt-ft) 29900 4950 120600 Max ADI Early 36 Fair 26 Fair 41 Gen Good Max ADI Late 48 Gen Good 12 Poor 67 Good Max LVORI Early 2 6 2 Max LVORI Late 2 6 2 Min Vsby Early 9 9 7 Min Vsby Late 9 7 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy.Lows in the mid 60s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs around 90. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the lower 50s. Northwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Much cooler. Highs in the upper 60s. North winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest winds around 5 mph, becoming northwest after midnight. .FRIDAY...Partly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 40s. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the lower 60s. East winds around 5 mph. $$ MAZ019-182000- Eastern Plymouth MA- Including the city of Plymouth 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type None None None Chance Precip (%) 10 20 Chance of Thunder (%) 0 0 0 Temp (24h trend) 75 (-6) 57 (+2) 90 RH % (24h trend) 41 (+8) 96 (+9) 33 20ft Wnd AM(mph) Lgt/Var SW 6 20ft Wnd PM(mph) SE 7 S 6 SW 10 G21 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 1730 450 3150 Transport Wnd (kts) SE 10 SW 14 SW 16 Vent Rate (kt-ft) 17300 6300 50400 Max ADI Early 14 Gen Poor 15 Gen Poor 27 Fair Max ADI Late 18 Gen Poor 17 Gen Poor 34 Fair Max LVORI Early 2 5 2 Max LVORI Late 2 5 2 Min Vsby Early 9 8 8 Min Vsby Late 9 7 9 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Showers. Highs in the mid 80s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Cooler. Lows in the mid 50s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Cooler. Highs in the mid 60s. North winds 5 to 10 mph, becoming northeast in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds around 5 mph, becoming northwest after midnight. .FRIDAY...Mostly sunny. Highs in the lower 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the lower 60s. East winds 5 to 10 mph. $$ MAZ020-182000- Southern Bristol MA- Including the cities of Fall River and New Bedford 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 77 (-2) 55 (-2) 86RH % (24h trend) 43 (+3) 100 (+7) 43 20ft Wnd AM(mph) Lgt/Var SW 7 G17 20ft Wnd PM(mph) SE 7 S 5 SW 11 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2320 430 1810 Transport Wnd (kts) SE 12 S 11 SW 17 Vent Rate (kt-ft) 27840 4730 30770 Max ADI Early 35 Fair 18 Gen Poor 27 Fair Max ADI Late 33 Fair 13 Gen Poor 29 Fair Max LVORI Early 2 6 2 Max LVORI Late 2 6 2 Min Vsby Early 9 7 5 Fog Min Vsby Late 9 3 Fog 8 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the lower 80s. Southwest winds 15 to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 50s. Northwest winds 10 to 15 mph. .THURSDAY...Partly sunny. Cooler. Highs in the upper 60s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds around 5 mph, becoming north after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Southeast winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. Southeast winds 5 to 10 mph. $$ MAZ021-182000- Southern Plymouth MA- Including the city of Mattapoisett 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 76 (-3) 56 (0) 83 RH % (24h trend) 43 (+5) 100 (+10) 46 20ft Wnd AM(mph) Lgt/Var SW 6 G17 20ft Wnd PM(mph) SE 7 S 5 SW 11 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 2450 420 1700 Transport Wnd (kts) SE 11 SW 11 SW 16 Vent Rate (kt-ft) 26950 4620 27200 Max ADI Early 33 Fair 19 Gen Poor 29 Fair Max ADI Late 34 Fair 13 Gen Poor 29 Fair Max LVORI Early 2 6 2 Max LVORI Late 2 6 2 Min Vsby Early 9 8 5 Fog Min Vsby Late 9 4 Fog 8 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with showers likely. Highs in the lower 80s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the mid 50s. West winds 5 to 10 mph. .THURSDAY...Partly sunny. Cooler. Highs in the upper 60s. Northeast winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds around 5 mph, becoming northwest after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. South winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. Southeast winds 5 to 10 mph. $$ MAZ022-182000- Barnstable MA- Including the cities of Chatham, Falmouth, and Provincetown 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 71 (-2) 57 (+1) 80 RH % (24h trend) 47 (-1) 100 (+7) 48 20ft Wnd AM(mph) E 5 SW 8 G19 20ft Wnd PM(mph) SE 7 S 5 SW 12 G23 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 1290 440 1050 Transport Wnd (kts) SE 12 S 13 SW 19 Vent Rate (kt-ft) 15480 5720 19950 Max ADI Early 15 Gen Poor 16 Gen Poor 24 Fair Max ADI Late 18 Gen Poor 20 Gen Poor 26 Fair Max LVORI Early 3 5 3 Max LVORI Late 3 5 3 Min Vsby Early 9 4 Fog 4 Fog Min Vsby Late 9 3 Fog 8 Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny with a chance of showers. Highs in the mid 70s. Southwest winds 15 to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. West winds 10 to 15 mph, becoming northwest 5 to 10 mph after midnight. .THURSDAY...Partly sunny. Cooler. Highs in the mid 60s. Northeast winds 10 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. South winds around 5 mph, becoming northwest after midnight. .FRIDAY...Mostly sunny. Highs in the lower 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows around 50. South winds around 5 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the lower 50s. Highs in the mid 60s. East winds 5 to 10 mph. $$ MAZ023-182000- Dukes MA- Including the city of Vineyard Haven 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Pcldy Precip Type None None None Chance Precip (%) Chance of Thunder (%) 0 0 0 Temp (24h trend) 69 (0) 55 (0) 76 RH % (24h trend) 55 (-2) 100 (+7) 54 20ft Wnd AM(mph) E 7 SW 11 G1920ft Wnd PM(mph) SE 8 SW 7 SW 13 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 710 400 770 Transport Wnd (kts) E 14 SW 13 SW 19 Vent Rate (kt-ft) 9940 5200 14630 Max ADI Early 18 Gen Poor 15 Gen Poor 23 Fair Max ADI Late 16 Gen Poor 22 Fair 26 Fair Max LVORI Early 3 5 3 Max LVORI Late 3 5 3 Min Vsby Early 9 2 Fog 2 Fog Min Vsby Late 9 0 Fog 6 Fog Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Southwest winds 15 to 20 mph. .WEDNESDAY...Mostly sunny with a chance of showers. Highs in the lower 70s. Southwest winds 15 to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. West winds 10 to 15 mph. .THURSDAY...Partly sunny. Highs in the mid 60s. North winds 5 to 10 mph, becoming east in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows around 50. Southeast winds 5 to 10 mph, becoming north after midnight. .FRIDAY...Mostly sunny. Highs in the lower 60s. Northeast winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows around 50. Southeast winds 5 to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly cloudy with showers likely. Lows in the lower 50s. Highs in the lower 60s. Southeast winds 10 to 15 mph. $$ MAZ024-182000- Nantucket MA- Including the city of Nantucket 409 AM EDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 10 Chance of Thunder (%) 0 0 0 Temp (24h trend) 66 (+1) 56 (+1) 72 RH % (24h trend) 65 (-7) 100 (+7) 68 20ft Wnd AM(mph) E 7 SW 11 G21 20ft Wnd PM(mph) SE 8 S 7 SW 14 G22 Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt (ft-AGL) 550 410 600 Transport Wnd (kts) E 15 SW 14 SW 23 Vent Rate (kt-ft) 8250 5740 13800 Max ADI Early 18 Gen Poor 18 Gen Poor 27 Fair Max ADI Late 18 Gen Poor 26 Fair 30 Fair Max LVORI Early 3 5 4 Max LVORI Late 3 5 4 Min Vsby Early 9 1 Fog 1 Fog Min Vsby Late 9 1 Fog 5 Fog Sunshine Hours N/A N/A N/A CWR 0 0 0 Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Southwest winds 15 to 20 mph. .WEDNESDAY...Sunny. Highs in the upper 60s. Southwest winds 15 to 20 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. Southwest winds 10 to 15 mph, becoming northwest 5 to 10 mph after midnight. .THURSDAY...Partly sunny with a chance of showers. Highs in the lower 60s. Northeast winds 10 to 15 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Southeast winds around 5 mph, becoming northwest after midnight. .FRIDAY...Mostly sunny. Highs around 60. Northeast winds 5 to 10 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the lower 50s. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy with showers likely. Highs in the lower 60s. East winds 10 to 15 mph. .SATURDAY NIGHT...Cloudy with showers likely. Lows in the lower 50s. Southeast winds 10 to 15 mph. .SUNDAY...Mostly cloudy with showers likely. Highs in the lower 60s. Southeast winds 5 to 10 mph. $$ .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation near normal. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston