FNUS71 KCAR 181616 FWSCAR Spot Forecast for UMaine Oak Stand RX...MAINE FOREST SERVICE National Weather Service Caribou ME 1216 PM EDT Mon May 18 2026 Forecast is based on ignition time of 1200 EDT on May 18. If conditions become unrepresentative...contact the National Weather Service. Please contact NWS Caribou at 207-492-0166 with any further questions. .DISCUSSION... 12PM update: No significant changes. This afternoon expect RHs to dip into the upper 20s to low 30s with light and variable winds. By 12PM, winds start to increase out of the southwest becoming south at around 10 mph by 5PM. Winds may gust up to 20 mph from the south. Cloud cover continues to increase throughout the afternoon, with some decreasing cloud cover around 5PM. RHs recover over night as winds also decrease. Weather Coverage Abbreviations... SCH=Slight Chance, ISO=Isolated, CHC=Chance, SCT=Scattered, LKY=Likely, NUM=Numerous, DEF=Definite, WID=Widespread, OCL=Occasional, PDS=Periods, ARS=Areas, PTY=Patchy Weather Type Abbreviations... DYT=Dry Thunderstorms, TSM=Thunderstorms, SN=Snow, RN=Rain, SW=Snow Showers, RW=Rain Showers, DZL=Drizzle, FZR=Freezing Rain, FZD=Freezing Drizzle, SLT=Sleet, FZF=Freezing Fog, IFG=Ice Fog, HAZ=Haze, BSN=Blowing Snow, SMK=Smoke, FST=Frost, FZS=Freezing Spray, RS=Rain/Snow, DZF=Drizzle/Fog, SNF=Snow/Fog, RNF=Rain/Fog, ZRS=Freezing Rain/Snow Other Abbreviations... NA=Not Available, M=Missing .REST OF TODAY... Sky/weather.........Mostly cloudy (70-80 percent). CWR.................10 percent. Chance of thunder...5 percent. Max temperature.....Around 68. Min humidity........30 percent. Wind chill..........64. Eye level winds.....Light winds becoming south up to 5 mph late in the afternoon. Wind shift.......... Mixing height.......3200 ft AGL. Transport winds.....South 7 to 14 mph. Smoke dispersal.....Fair (19000 knot-ft). LVORI...............2. ADI.................21 to 30 increasing to 34 to 42 late in the afternoon, then decreasing to 25 late in the afternoon. Pcpn amount.........0.00 inches. TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........80 78 86 76 71 65 Weather cov..... Weather type.... Tstm cov........ CWR.............10 10 10 10 10 10 Chc of thdr (%).0 0 0 0 0 10 Temp............64 66 66 66 67 64 RH..............30 32 34 36 36 40 Wind chill (F)..64 66 66 66 67 64 Eye lvl wnd dir.S SW SW S S S Eye lvl wnd spd.1 2 3 4 4 5 Eye lvl wnd gst.3 4 5 7 10 10 Mix hgt (kft)...3.2 3.0 2.7 2.1 1.7 1.6 Transp wind dir.SW SW SW S S S Transp wind spd.7 9 10 13 14 14 LVORI...........2 2 1 1 1 2 ADI.............21 30 42 38 34 25 Vrate kt-ft/1K..19 24 24 24 21 20 Ventrate Cat....PR PR PR PR PR PR .TONIGHT... Sky/weather.........Mostly cloudy (45-55 percent) then becoming partly cloudy (25-35 percent). CWR.................0 percent. Chance of thunder...2 percent. Min temperature.....Around 48. Max humidity........83 percent. Wind chill..........48. Eye level winds.....South winds up to 5 mph in the evening becoming light. Wind shift.......... Mixing height.......400 ft AGL. Transport winds.....South 7 to 14 mph. Smoke dispersal.....Fair (18600 knot-ft) early in the evening decreasing to poor (2400 knot-ft) late in the night. LVORI...............4. ADI.................25 decreasing to 3 to 10. Pcpn amount.........0.00 inches. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........51 29 28 19 24 15 24 47 42 42 43 41 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............62 60 57 55 54 52 51 50 50 49 50 50 RH..............39 44 49 53 55 61 66 71 74 80 80 83 Wind chill (F)..62 60 57 55 54 52 51 49 49 48 49 50 Eye lvl wnd dir.S S S S S S S S S S S S Eye lvl wnd spd.5 5 4 4 4 3 3 2 2 2 2 1 Eye lvl wnd gst.10 10 10 8 7 5 5 4 4 4 4 3 Mix hgt (kft)...1.6 0.8 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.S S S S S S S S S S S S Transp wind spd.14 13 12 10 9 9 8 7 7 7 8 8 LVORI...........2 2 2 3 3 3 3 3 4 5 5 5 ADI.............25 10 10 5 5 5 4 4 4 4 4 3 Vrate kt-ft/1K..19 9 6 4 4 4 3 3 2 2 3 3 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .TUESDAY... Sky/weather.........Mostly sunny (30-40 percent) then becoming partly sunny (65-75 percent). Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. CWR.................10 percent increasing to 20 percent in the late morning and early afternoon, then increasing to 60 percent early in the afternoon decreasing to 50 percent late in the afternoon decreasing to 40 percent. Chance of thunder...32 percent. Max temperature.....Around 90. Min humidity........42 percent. Wind chill..........52. Eye level winds.....Light winds becoming west up to 6 mph with gusts to around 12 mph late in the morning, then shifting to the up to 5 mph late in the afternoon. Wind shift.......... Mixing height.......4800 ft AGL. Transport winds.....Southwest 7 to 16 mph shifting to the west 13 to 22 mph in the afternoon. Smoke dispersal.....Poor (2300 knot-ft) early in the morning increasing to excellent (90600 knot-ft) in the afternoon. LVORI...............5 early in the morning. ADI.................3 to 8 early in the morning. Pcpn amount.........0.15 inches. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........46 33 14 25 35 48 38 52 73 71 68 63 Weather cov..... SCH SCH SCH SCH SCH LKY LKY CHC CHC Weather type.... RW RW RW RW RW RW RW RW RW Tstm cov........ CHC CHC CHC SCH CWR.............0 0 10 20 20 20 20 20 60 60 50 40 Chc of thdr (%).0 0 0 0 0 10 10 10 30 30 30 20 Temp............52 58 63 69 75 81 85 87 88 89 86 84 RH..............80 72 65 59 54 47 43 42 42 42 48 53 Wind chill (F)..52 58 63 69 75 81 85 87 88 90 87 86 Eye lvl wnd dir.S SW SW SW SW SW SW SW SW W W W Eye lvl wnd spd.1 1 1 1 2 4 4 5 6 6 5 4 Eye lvl wnd gst.3 3 3 3 4 7 10 10 12 12 10 10 Mix hgt (kft)...0.4 0.5 1.0 1.2 1.4 2.2 3.3 4.8 4.8 4.1 2.8 1.8 Transp wind dir.SW SW SW SW SW SW SW W W W W W Transp wind spd.7 7 10 10 10 12 16 21 22 18 17 13 LVORI...........5 4 M M M M M M M M M M ADI.............3 8 M M M M M M M M M M Vrate kt-ft/1K..2 3 9 11 13 22 47 87 91 65 42 20 Ventrate Cat....PR PR PR PR PR PR FR GD GD GD FR PR $$ Forecaster...JMM Requested by...W. Hatch Type of request...PRESCRIBED .TAG 2613870.2/CAR .DELDT 05/18/26 .FormatterVersion 2.0.0 .EMAIL wesley.hatch@maine.gov