Fri May 3 00:11:59 EDT 2024 San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 1011 PM MDT Thu May 2 2024 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY... .REST OF TONIGHT... Sky/weather.........Partly cloudy(27 percent). Min temperature.....28-34F. Max humidity........40-48 percent. Chc of wetting rain.0 percent. 20-foot winds.......West around 5 mph shifting to the south after midnight. LAL.................1. Haines Index........6 or high potential for large plume dominated fire growth. 15K FT MSL Winds....West 14-25 mph increasing to 25-43 mph after midnight. Mixing height.......500 ft agl. Transport winds.....Southwest around 12 mph until 0200, then south around 11 mph. Smoke dispersal.....Poor. .FRIDAY... Sky/weather.........Mostly sunny(27 percent). Max temperature.....65-71F. Min humidity........11-12 percent. Chc of wetting rain.0 percent. 20-foot winds.......South around 10 mph increasing to southwest around 20 mph in the afternoon. Gusts up to 35 mph. LAL.................1. Haines Index........6 or high potential for large plume dominated fire growth. 15K FT MSL Winds....West 30-44 mph becoming southwest 23-33 mph in the afternoon. Mixing height.......1000 ft agl until 0900. 13000 ft agl after 1100. Transport winds.....Southwest around 15 mph until 1000, then west around 30 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FRIDAY NIGHT... Sky/weather.........Partly cloudy(26 percent). Min temperature.....29-34F. Max humidity........63-75 percent. Chc of wetting rain.0 percent. 20-foot winds.......West around 10 mph with gusts to around 30 mph shifting to the east after midnight. LAL.................1. Haines Index........6 or high potential for large plume dominated fire growth. 15K FT MSL Winds....Southwest around 23 mph. Mixing height.......11500 ft agl until 1900. 1000 ft agl after 2000. Transport winds.....West around 13 mph until 2400, then north around 12 mph until 0100, then northeast. Smoke dispersal.....Excellent until 1900. Poor after 2000. .SATURDAY... Sky/weather.........Mostly sunny(49 percent). Scattered showers and isolated thunderstorms in the afternoon. Max temperature.....66-69F. Min humidity........17-18 percent. Chc of wetting rain.20 percent. 20-foot winds.......East around 5 mph increasing to south around 15 mph with gusts to around 35 mph in the afternoon. LAL.................3. Haines Index........5 or moderate potential for large plume dominated fire growth. 15K FT MSL Winds....Southwest around 21 mph. Mixing height.......1500 ft agl until 1000, then 5000 ft agl until 1100, then 8000 ft agl until 1200, then 11500 ft agl until 1700, then 9000 ft agl. Transport winds.....Northeast around 9 mph until 1000, then east around 12 mph until 1100, then south around 28 mph. Smoke dispersal.....Poor until 1100. Excellent after 1300. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Mostly cloudy. Isolated thunderstorms. Lows 35 to 40. Highs near 70. South winds around 35 mph. Gusts up to 65 mph. .MONDAY...Partly cloudy. Lows 35 to 40. Highs in the mid 50s to lower 60s. Southwest winds around 25 mph. Gusts up to 50 mph. .TUESDAY...Mostly clear. Lows near 30. Highs in the lower to mid 60s. West winds around 25 mph. Gusts up to 45 mph. .WEDNESDAY...Partly cloudy. Lows 31 to 36. Highs in the 60s. .THURSDAY...Partly cloudy. Isolated thunderstorms. Lows 30 to 35. Highs 62 to 68.