FNUS52 KILM 181821 FWFILM Fire Weather Planning Forecast for Northeast South Carolina and Southeast North Carolina National Weather Service Wilmington NC 221 PM EDT Mon May 18 2026 .DISCUSSION... Bermuda high pressure will bring dry weather and above normal temperatures for the next few days. A cold front will arrive late Thursday bringing increased chances for showers and thunderstorms inland. Thunderstorm chances will develop along the coast Friday. Even after the front dissipates this weekend, a humid summerlike airmass may bring pop-up thunderstorms each afternoon. Fog potential for tonight is Moderate. NCZ105>110-190730- Inland Pender-Coastal Pender-Inland New Hanover- Coastal New Hanover-Inland Brunswick-Coastal Brunswick- Including the cities of Burgaw, Surf City, Wilmington, Masonboro, Myrtle Grove, Ogden, Carolina Beach, Seagate, Boiling Spring Lakes, Leland, Shallotte, Oak Island, Long Beach, Southport, and Sunset Beach 221 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Mclear Mclear Mclear Mclear Precip Type None None None None Chance Precip (%) 0 0 0 0 Chance Thunder (%) 0 0 0 0 Min/Max Temp 61 89 64 90 Max/Min RH (%) 100 45 96 43 Wind 20ft/Early (mph) S 5 Lgt/Var S 4 Lgt/Var Wind 20ft/Late (mph) Lgt/Var S 5 Lgt/Var S 6 Precip Amount 0.00 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Inversion(Temp/Time) 2000 71/0900 2000 69/0800 Dispersion Very Poor Very Poor DSI 2 2 Mixing Hgt (ft) 4600 5400 Transport Wind (mph) S 10 S 12 Vent Rate (mph-ft) 46000 64800 ADI Early 11 Poor 27 Fair 6 Very Poor 38 Fair ADI Late 5 Very Poor 41 Gen Good 5 Very Poor 57 Gen Good Max LVORI Early 6 7 5 6 Max LVORI Late 9 2 6 1 Min VSBY Early 7 3 Fog 7 Min VSBY Late 3 Fog 7 7 Turner Stability F A F A Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Maximum RH 92 percent. South winds around 5 mph. .THURSDAY...Mostly sunny. Highs in the upper 80s. Minimum RH 59 percent. Southwest winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 60s. Maximum RH 95 percent. Chance of showers 50 percent. Light winds. .FRIDAY...Mostly cloudy with showers likely. Highs in the lower 80s. Minimum RH 75 percent. Chance of showers 70 percent. Southeast winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows around 70. Maximum RH 94 percent. Chance of showers 40 percent. Light winds. .SATURDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lowsaround 70. Maximum RH 96 percent. Chance of showers 40 percent. South winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Chance of precipitation 70 percent. South winds around 5 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 97 percent. Chance of showers 40 percent. South winds around 5 mph. .MONDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. Southwest winds around 5 mph. $$ NCZ087-096-099-190730- Robeson-Bladen-Columbus- Including the cities of Lumberton, Elizabethtown, Bladenboro, Whiteville, Tabor City, Chadbourn, and Lake Waccamaw 221 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Mclear Mclear Mclear Mclear Precip Type None None None None Chance Precip (%) 0 0 0 0 Chance Thunder (%) 0 0 0 0 Min/Max Temp 62 92 64 93 Max/Min RH (%) 99 36 96 33 Wind 20ft/Early (mph) S 5 Lgt/Var S 4 Lgt/Var Wind 20ft/Late (mph) Lgt/Var S 4 Lgt/Var S 4 Precip Amount 0.00 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Inversion(Temp/Time) 2000 72/0900 2000 68/0800 Dispersion Very Poor Very Poor DSI 3 3 Mixing Hgt (ft) 6100 6500 Transport Wind (mph) S 9 S 13 Vent Rate (mph-ft) 54900 84500 ADI Early 11 Poor 26 Fair 6 Very Poor 36 Fair ADI Late 6 Very Poor 60 Gen Good 6 Very Poor 78 Good Max LVORI Early 5 8 4 6 Max LVORI Late 9 1 7 1 Min VSBY Early 7 3 Fog 7 Min VSBY Late 3 Fog 7 7 Turner Stability F A F A Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Maximum RH 92 percent. South winds around 5 mph. .THURSDAY...Mostly sunny with a 50 percent chance of showers and thunderstorms. Highs in the lower 90s. Minimum RH 46 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 60s. Maximum RH 96 percent. Chance of showers 50 percent. Light winds. .FRIDAY...Mostly cloudy with showers likely. Highs in the mid 80s. Minimum RH 65 percent. Chance of showers 70 percent. East winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. Lows in the upper 60s. Maximum RH 94 percent. Light winds. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 58 percent. Chance of precipitation 70 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy. Lows in the upper 60s. Maximum RH 96 percent. Light winds. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 57 percent. Chance of precipitation 70 percent.South winds around 5 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 96 percent. Chance of showers 50 percent. Light winds. .MONDAY...Partly sunny with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 57 percent. Chance of precipitation 70 percent. South winds around 5 mph. $$ SCZ054>056-058-059-190730- Coastal Horry-Inland Georgetown-Coastal Georgetown-Central Horry- Northern Horry- Including the cities of Myrtle Beach, Socastee, North Myrtle Beach, Garden City, Little River, Andrews, Georgetown, Murrells Inlet, Conway, Red Hill, Loris, and Aynor 221 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Mclear Mclear Mclear Mclear Precip Type None None None None Chance Precip (%) 0 0 0 0 Chance Thunder (%) 0 0 0 0 Min/Max Temp 61 88 63 89 Max/Min RH (%) 99 46 97 45 Wind 20ft/Early (mph) S 4 Lgt/Var S 4 Lgt/Var Wind 20ft/Late (mph) Lgt/Var SE 5 Lgt/Var S 5 Precip Amount 0.00 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Inversion(Temp/Time) 2000 73/0900 2000 72/0900 Dispersion Very Poor Very Poor DSI 2 3 Mixing Hgt (ft) 4500 5800 Transport Wind (mph) SE 9 S 9 Vent Rate (mph-ft) 40500 52200 ADI Early 9 Poor 24 Fair 7 Poor 31 Fair ADI Late 4 Very Poor 38 Fair 5 Very Poor 57 Gen Good Max LVORI Early 6 9 5 7 Max LVORI Late 9 2 7 1 Min VSBY Early 7 3 Fog 7 Min VSBY Late 3 Fog 7 7 Turner Stability F A F A Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Maximum RH 93 percent. Light winds. .THURSDAY...Sunny. Highs in the upper 80s. Minimum RH 58 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 94 percent. Chance of showers 40 percent. Light winds. .FRIDAY...Mostly cloudy with showers likely. Highs in the mid 80s. Minimum RH 71 percent. Chance of showers 70 percent. East winds around 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows around 70. Maximum RH 94 percent. Light winds. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Chance of precipitation 70 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows around 70. Maximum RH 95 percent. Chance of showers 40 percent. Light winds. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Chance of precipitation 70 percent. South winds around 5 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows around 70. Maximum RH 97 percent. Chance of showers 30 percent. Light winds. .MONDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. South winds around 5 mph. $$ SCZ017-023-024-032-033-039-190730- Marlboro-Darlington-Dillon-Florence-Marion-Williamsburg- Including the cities of Bennettsville, McColl, Hartsville, Darlington, North Hartsville, Dillon, Florence, Marion, Mullins, and Kingstree 221 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Mclear Mclear Mclear Mclear Precip Type None None None None Chance Precip (%) 0 0 0 0 Chance Thunder (%) 0 0 0 0 Min/Max Temp 61 92 63 93 Max/Min RH (%) 100 34 97 33 Wind 20ft/Early (mph) S 5 Lgt/Var S 4 Lgt/Var Wind 20ft/Late (mph) Lgt/Var Lgt/Var Lgt/Var S 4 Precip Amount 0.00 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Inversion(Temp/Time) 2000 71/0900 2100 67/0800 Dispersion Very Poor Very Poor DSI 3 3 Mixing Hgt (ft) 6500 7600 Transport Wind (mph) S 9 S 12 Vent Rate (mph-ft) 58500 91200 ADI Early 10 Poor 23 Fair 7 Poor 30 Fair ADI Late 5 Very Poor 62 Good 5 Very Poor 83 Good Max LVORI Early 5 9 4 6 Max LVORI Late 9 1 7 1 Min VSBY Early 7 4 Fog 7 Min VSBY Late 4 Fog 7 7 Turner Stability F A F A Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Maximum RH 91 percent. South winds around 5 mph. .THURSDAY...Mostly sunny with a chance of showers. Highs in the lower 90s. Minimum RH 43 percent. Chance of showers 50 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. Maximum RH 95 percent. Light winds. .FRIDAY...Mostly cloudy with showers likely. Highs in the mid 80s. Minimum RH 61 percent. Chance of showers 70 percent. East winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. Lows in the upper 60s. Maximum RH 94 percent. Light winds. .SATURDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the mid 80s. Minimum RH 58 percent. Chance of precipitation 70 percent. Southeast winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 95 percent. Chance of showers 50 percent. Light winds. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 57 percent. Chance of precipitation 70 percent. South winds around 5 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 60s. Maximum RH 96 percent. Chance of showers 50 percent. Light winds. .MONDAY...Partly sunny with showers likely and a chance of thunderstorms. Highs in the upper 80s. Minimum RH 56 percent. Chance of precipitation 70 percent. Light winds. $$ .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation above normal. $$ SC USERS NC USERS =================================================================== VENTILATION RATE BURN CATEGORY VENTILATION RATE =================================================================== NOT USED 0 0 TO 14759 0 TO 17249 1 14760 TO 33499 17250 TO 34499 2 33500 TO 44999 34500 TO 51749 3 45000 TO 59999 51750 TO 68999 4 60000 TO 111999 69000 OR GREATER 5 112000 OR GREATER SC USERS NC USERS =================================================================== FORECAST SURFACE WIND DISPERSION FORECAST SURFACE WIND =================================================================== STAGNANT NEAR CALM CALM VERY POOR 2 TO 4 MPH 2 TO 5 MPH POOR 5 TO 8 MPH 6 TO 8 MPH FAIR 9 TO 12 MPH 9 TO 13 MPH GOOD GREATER THAN 12 MPH 14 MPH OR MORE EXCELLENT ADI is Atmospheric Dispersion Index by LAVDAS. LVORI is Low Visibility Occurrence Risk Index. $$ Forecaster...TRA