


Spot Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
Versions:
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047 FNUS71 KLWX 111209 FWSLWX Spot Forecast for Boat Ramp Fields...Virginia Department of Wildlife Resources National Weather Service Baltimore MD/Washington DC 809 AM EDT Thu Sep 11 2025 Forecast is based on ignition time of 0800 EDT on September 11. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... A dry front will dissipate as it approaches the region today, which will be followed by another area of Canadian high pressure building in through the weekend. Through Friday, afternoon minimum RH values will drop into the 30 to 40 percent range. Overnight RH recovery will be good through this period as well, recovering to almost 100 percent. High temperatures will gradually increase each day, with low to mid 80s. Today and tomorrow will also feature at least some cloudcover during the afternoon, albeit still mostly sunny. Winds remain relatively light today and tomorrow, blowing out of the north today before shifting to east/northeast tomorrow. .REST OF TODAY... Sky/weather.........Mostly sunny (35-45 percent). CWR.................0 percent. Chance of thunder...0 percent. Max temperature.....Around 80. Min humidity........50 percent. Wind (20 ft)........Light winds. Mixing height.......6600 ft AGL. Transport winds.....North 5 to 7 mph. Smoke dispersal.....Poor (1400 knot-ft) early in the morning increasing to good (33000 knot-ft) in the afternoon. TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........59 47 34 43 31 24 31 32 31 26 CWR.............0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 Temp............60 64 69 73 75 77 79 80 80 79 RH..............96 93 81 71 64 60 54 51 49 50 20 FT wind dir..N N N N NE NE NE NE N NE 20 FT wind spd..1 1 2 2 2 2 3 2 2 2 20 FT wind gust.6 6 7 7 8 7 8 8 8 9 Mix hgt (kft)...0.4 0.6 1.6 2.8 4.0 5.1 6.0 6.6 6.4 6.4 Transp wind dir.N N N N N N N N N N Transp wind spd.5 5 6 7 6 6 6 6 6 6 Vrate kt-ft/1K..1 3 8 17 20 26 30 33 32 32 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). CWR.................0 percent. Chance of thunder...0 percent. Min temperature.....Around 55. Max humidity........96 percent. Wind (20 ft)........Light winds. Mixing height.......400 ft AGL. Transport winds.....Northeast around 6 mph shifting to the south around 3 mph late in the evening shifting to the west 5 to 6 mph overnight shifting to the north. Smoke dispersal.....Fair (20400 knot-ft) early in the evening decreasing to poor (1200 knot-ft) late in the night. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........9 21 19 1 3 8 12 10 14 20 18 17 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............77 74 69 65 63 62 61 60 58 58 57 56 RH..............52 62 70 81 87 90 90 90 96 93 93 93 20 FT wind dir..NE NE E N N N N N N NW N N 20 FT wind spd..2 1 1 0 0 0 0 0 0 1 1 1 20 FT wind gust.7 6 3 3 3 3 3 3 3 5 5 6 Mix hgt (kft)...4.1 0.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.N NE E SE SE S W W NW NW N N Transp wind spd.6 6 5 6 5 3 5 5 6 5 6 5 Vrate kt-ft/1K..20 4 2 2 2 1 2 2 2 2 2 2 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .FRIDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of thunder...0 percent. Max temperature.....Around 80. Min humidity........41 percent. Wind (20 ft)........Light winds becoming northeast around 5 mph late in the afternoon, then becoming light late in the afternoon. Mixing height.......6800 ft AGL. Transport winds.....North 6 to 10 mph shifting to the northeast around 9 mph late in the afternoon. Smoke dispersal.....Poor (1800 knot-ft) early in the morning increasing to good (57100 knot-ft) in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........19 24 15 17 13 8 14 21 27 26 26 25 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............55 55 57 64 70 74 77 79 80 81 81 80 RH..............96 93 93 75 63 55 50 45 42 41 41 42 20 FT wind dir..N N N N N N N NE NE NE NE NE 20 FT wind spd..2 2 2 2 2 3 3 5 5 5 5 3 20 FT wind gust.7 7 8 8 8 9 9 10 10 10 10 9 Mix hgt (kft)...0.4 0.4 0.4 1.1 1.7 3.4 5.5 6.3 6.4 6.8 6.8 6.2 Transp wind dir.N N N N N N N NE NE NE NE NE Transp wind spd.6 7 7 10 10 9 10 10 9 9 9 9 Vrate kt-ft/1K..2 2 2 10 16 27 50 57 51 54 54 50 Ventrate Cat....PR PR PR PR PR PR FR FR FR FR FR FR $$ Forecaster...Stuck Requested by...Joe Ferdinandsen Type of request...PRESCRIBED .TAG 2521781.0/LWX .DELDT 09/11/25 .FormatterVersion 2.0.0 .EMAIL joseph.ferdinandsen@dwr.virginia.gov