Mon May 20 19:23:58 EDT 2024

San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
523 PM MDT Mon May 20 2024

.TONIGHT...
Sky/weather.........Mostly cloudy(56 percent) then becoming partly 
                    cloudy(31 percent). Isolated thunderstorms in 
                    the evening. 
Min temperature.....35-39F. 
Max humidity........70-75 percent. 
Chc of wetting rain.20 percent. 
20-foot winds.......Southwest 5-15 mph. Gusts up to 40 mph 
                    decreasing to 25 mph after midnight. 
LAL.................3. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
15K FT MSL Winds....West around 42 mph. 
Mixing height.......10000 ft agl until 1900. 2000 ft agl after 
                    2000. 
Transport winds.....Southwest around 16 mph. 
Smoke dispersal.....Excellent until 1900. Poor after 2000. 

.TUESDAY...
Sky/weather.........Mostly sunny(30 percent). Isolated showers late 
                    in the morning. Isolated thunderstorms in the 
                    afternoon. 
Max temperature.....62-67F. 
Min humidity........16-19 percent. 
Chc of wetting rain.20 percent. 
20-foot winds.......Southwest around 10 mph with gusts to around 30 
                    mph increasing to west around 20 mph with gusts 
                    to around 40 mph in the afternoon. 
LAL.................2. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
15K FT MSL Winds....West 30-48 mph decreasing to 25-41 mph in the 
                    afternoon. 
Mixing height.......1500 ft agl until 0800. 11500 ft agl after 
                    1100. 
Transport winds.....West around 38 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1400. 

.TUESDAY NIGHT...
Sky/weather.........Mostly clear. 
Min temperature.....28-33F. 
Max humidity........64-73 percent. 
Chc of wetting rain.0 percent. 
20-foot winds.......Northwest 5-10 mph. Gusts up to 40 mph in the 
                    evening. 
LAL.................1. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
15K FT MSL Winds....West around 38 mph. 
Mixing height.......10500 ft agl until 1900. 1500 ft agl after 
                    2000. 
Transport winds.....West around 33 mph until 2000, then northwest 
                    around 15 mph until 2400, then around 9 mph. 
Smoke dispersal.....Excellent until 1900. Poor after 2000. 

.WEDNESDAY...
Sky/weather.........Sunny. 
Max temperature.....66-70F. 
Min humidity........12-14 percent. 
Chc of wetting rain.0 percent. 
20-foot winds.......Southwest around 5 mph with gusts to around 20 
                    mph increasing to around 15 mph with gusts to 
                    around 35 mph in the afternoon. 
LAL.................1. 
Haines Index........6 or high potential for large plume dominated 
                    fire growth. 
15K FT MSL Winds....Southwest around 26 mph. 
Mixing height.......3000 ft agl until 1000. 12500 ft agl after 
                    1200. 
Transport winds.....West around 7 mph until 0900, then southwest 
                    around 25 mph. 
Smoke dispersal.....Poor until 1100. Excellent after 1500. 


.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Partly cloudy. Lows 32 to 38. Highs near 70.
Southwest winds around 20 mph. Gusts up to 40 mph. 
.FRIDAY...Partly cloudy. Lows 36 to 41. Highs near 70. Southwest
winds around 15 mph. Gusts up to 35 mph. 
.SATURDAY...Partly cloudy. Lows 36 to 41. Highs near 70.
Southwest winds around 15 mph. Gusts up to 35 mph. 
.SUNDAY...Partly cloudy. Lows near 40. Highs near 70. 
.MONDAY...Partly cloudy. Lows 35 to 40. Highs in the lower 70s.