FNUS71 KLWX 191905 FWSLWX Spot Forecast for Brawner Rx...NPS National Weather Service Baltimore MD/Washington DC 305 PM EDT Thu Mar 19 2026 Forecast is based on ignition time of 1000 EDT on March 23. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... A cold front will move through Sunday night. While some rain showers are possible, a soaking rain appears unlikely. Then Monday will feature gusty northwest winds in the wake of the front. Winds will be lighter Tuesday but relative humidity will remain low as high pressure builds overhead. .MONDAY... Sky/weather.........Mostly sunny (35-45 percent). Slight chance of rain in the morning afternoon. CWR.................20 percent decreasing to 10 percent late in the afternoon. Chance of thunder...3 percent. Max temperature.....Around 63. Min humidity........35 percent. Wind (20 ft)........Northwest winds 15 to 20 mph with gusts to up to 30 mph. Mixing height.......6700 ft AGL. Transport winds.....Northwest 31 to 33 mph. Smoke dispersal.....Excellent (97000 knot-ft). TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........52 39 34 33 23 25 27 29 Weather cov.....SCH SCH Weather type....RN RN Tstm cov........ CWR.............20 20 10 10 10 10 10 10 Chc of thdr (%).0 0 0 0 0 0 0 0 Temp............53 54 55 55 56 58 60 60 RH..............71 64 57 53 47 42 36 35 20 FT wind dir..NW NW NW NW NW NW NW NW 20 FT wind spd..16 17 17 17 17 17 17 17 20 FT wind gust.25 26 26 26 26 26 28 26 Mix hgt (kft)...3.6 4.2 4.7 5.1 5.4 6.1 6.7 6.6 Transp wind dir.NW NW NW NW NW NW NW NW Transp wind spd.31 32 32 32 32 33 33 32 Vrate kt-ft/1K..97 118 131 142 151 178 193 185 Ventrate Cat....GD VGD VGD VGD EXL EXL EXL EXL .TUESDAY... Sky/weather.........Mostly sunny (30-40 percent). CWR.................10 percent. Chance of thunder...0 percent. Max temperature.....Around 52. Min humidity........30 percent. Wind (20 ft)........Northwest winds around 5 to 10 mph shifting to the southwest late in the afternoon. Mixing height.......4300 ft AGL. Transport winds.....North 18 to 26 mph shifting to the northwest 15 to 16 mph late in the afternoon. Smoke dispersal.....Fair (19800 knot-ft) early in the morning increasing to excellent (62400 knot-ft) in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........15 19 24 27 31 34 36 38 40 44 48 52 Weather cov..... Weather type.... Tstm cov........ 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............32 31 32 34 38 41 44 47 49 50 51 51 RH..............63 63 61 56 48 42 38 34 31 31 30 32 20 FT wind dir..N N N N N N N NW NW W SW S 20 FT wind spd..6 6 6 6 6 6 6 6 6 6 7 7 20 FT wind gust.10 10 10 10 12 12 12 12 12 12 13 13 Mix hgt (kft)...1.0 0.9 1.1 1.7 2.4 3.1 3.5 3.7 3.9 4.2 4.3 4.0 Transp wind dir.NW N N N N N N N N N NW NW Transp wind spd.23 25 26 26 25 23 21 18 16 16 16 15 Vrate kt-ft/1K..20 21 26 39 53 61 62 60 54 58 60 52 Ventrate Cat....PR PR PR PR FR GD GD FR FR FR FR FR $$ Forecaster...Snyder Requested by...Culbreth Type of request...PRESCRIBED .TAG 2606592.0/LWX .DELDT 03/19/26 .FormatterVersion 2.0.0 .EMAIL Timothy_Culbreth@NPS.gov