FNUS71 KGYX 202119 FWSGYX Spot Forecast for NAVHDA RX...Maine Forest Service National Weather Service Gray ME 519 PM EDT Mon Apr 20 2026 Forecast is based on ignition time of 1800 EDT on April 20. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at (207) 688-3224, if you have questions or concerns with this forecast. Northwest winds will diminish with the setting sun this evening. It will be cold tonight under mostly clear skies with good humidity recovery. Tuesday will be cool and dry with min RH dropping to 25 percent early afternoon with light winds turning southerly in the afternoon that will advect higher humidity air into the burn site. Good humidity recovery is expected Tuesday night with slight chances for rain and snow showers. .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). CWR.................11 percent decreasing to 0 percent early in the evening. Chance of thunder...0 percent. Min temperature.....Around 21. Max humidity........84 percent. Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening becoming light. Mixing height.......700 ft AGL. Transport winds.....North 7 to 16 mph decreasing to 5 to 6 mph overnight. Smoke dispersal.....Excellent (68800 knot-ft) early in the evening decreasing to poor (2900 knot-ft) late in the night. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........38 38 38 38 38 38 20 20 20 20 20 20 Weather cov..... Weather type.... Tstm cov........NO NO NO NO NO NO NO NO NO NO NO NO CWR.............10 10 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............41 39 35 32 30 28 27 26 25 24 22 21 RH..............41 42 49 56 58 66 68 71 74 77 81 84 20 FT wind dir..NW NW NW NW NW NW NW NW N NW NW NW 20 FT wind spd..8 7 6 5 3 3 2 2 2 2 2 2 20 FT wind gust.16 14 12 9 7 7 5 5 5 5 5 5 Mix hgt (kft)...4.9 1.2 1.0 0.9 0.9 0.8 0.7 0.7 0.7 0.7 0.9 1.1 Transp wind dir.NW N N N N N N N N NW NW N Transp wind spd.16 13 10 10 8 7 6 6 6 5 6 5 Vrate kt-ft/1K..69 14 9 8 6 5 4 4 4 3 4 4 Ventrate Cat....GD PR PR PR PR PR PR PR PR PR PR PR .TUESDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of thunder...0 percent. Max temperature.....Around 46. Min humidity........25 percent. Wind (20 ft)........Light winds. Mixing height.......7200 ft AGL. Transport winds.....North 3 to 5 mph shifting to the west 5 to 7 mph in the late morning and afternoon. Smoke dispersal.....Poor (3000 knot-ft) early in the morning increasing to good (43400 knot-ft) in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 4 4 4 4 4 36 36 36 36 36 36 Weather cov..... Weather type.... Tstm cov........NO NO NO NO NO NO NO NO NO NO NO NO 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............22 23 28 32 37 40 41 43 44 45 45 46 RH..............77 74 58 47 37 31 30 28 27 26 26 25 20 FT wind dir..NW N N NW W W SW SW S S S S 20 FT wind spd..1 1 1 1 1 2 2 2 3 3 5 520 FT wind gust.2 2 2 2 2 5 5 5 7 7 9 9 Mix hgt (kft)...0.8 1.7 3.5 5.2 5.9 6.5 6.8 7.1 7.2 7.2 7.1 7.0 Transp wind dir.N N NW W W W W W W W W W Transp wind spd.5 3 5 6 5 6 6 7 7 7 7 7 Vrate kt-ft/1K..3 5 14 26 24 33 34 42 43 43 43 42 Ventrate Cat....PR PR PR PR PR PR PR FR FR FR FR FR .TUESDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent) then becoming mostly cloudy (50-60 percent). CWR.................0 percent. Chance of thunder...1 percent. Min temperature.....Around 27. Max humidity........96 percent. Wind (20 ft)........Light winds becoming south around 5 mph early in the evening, then becoming light in the late evening and overnight. Mixing height.......500 ft AGL. Transport winds.....South 7 to 12 mph. Smoke dispersal.....Fair (26000 knot-ft) early in the evening decreasing to poor (2800 knot-ft) late in the night. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........37 37 37 37 37 37 55 55 55 55 55 55 Weather cov..... Weather type.... Tstm cov........NO NO NO NO NO NO NO NO NO NO NO NO 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............44 41 39 35 33 32 31 30 29 29 28 29 RH..............30 39 48 59 66 72 78 81 88 88 96 92 20 FT wind dir..S S S S S S S S S S S SE 20 FT wind spd..5 5 6 5 3 3 3 3 2 2 2 2 20 FT wind gust.9 9 12 9 7 7 7 7 5 5 5 5 Mix hgt (kft)...4.3 1.2 0.8 0.6 0.7 0.6 0.5 0.5 0.5 0.6 0.7 0.8 Transp wind dir.SW S S S S S S S S S S S Transp wind spd.7 9 12 12 12 9 9 8 7 7 7 8 Vrate kt-ft/1K..26 9 8 6 7 5 4 4 3 3 4 5 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR $$ Forecaster...SCHROETER Requested by...Patrick Nichols Type of request...PRESCRIBED .TAG 2610978.0/GYX .DELDT 04/20/26 .FormatterVersion 2.0.0 .EMAIL patrick.s.nichols@maine.gov