Mon May 20 22:56:53 EDT 2024

Upper Arkansas River Valley Including Lake County and Chaffee
County-
856 PM MDT Mon May 20 2024

.REST OF TONIGHT...
Sky/weather.........Mostly cloudy(64 percent). Isolated showers 
                    early in the evening. Isolated thunderstorms 
                    through the night. Scattered showers late in 
                    the evening. 
Min temperature.....31-42F...except 23-33F above 10000 feet. 
Max humidity........64-78 percent...except 78-92 percent above 
                    10000 feet. 
Chc of wetting rain.40 percent. 
20-foot winds.......Southwest 5-15 mph with gusts to around 45 mph. 
LAL.................3. 
Haines Index........6 or high potential for large plume dominated 
                    fire growth. 
15K FT MSL Winds....Southwest 28-39 mph increasing to west 35-52 
                    mph after midnight. 
Mixing height.......5000 ft agl until 2300, then 2500 ft agl. 
Transport winds.....West around 26 mph. 
Smoke dispersal.....Poor. 

.TUESDAY...
Sky/weather.........Partly sunny(51 percent). Isolated 
                    thunderstorms in the morning. Numerous showers 
                    through the day. Scattered thunderstorms in the 
                    afternoon. 
Max temperature.....45-64F...except 32-47F above 10000 feet. 
Min humidity........23-32 percent...except 34-50 percent above 
                    10000 feet. 
Chc of wetting rain.60 percent. 
20-foot winds.......West 5-15 mph with gusts to around 45 mph. 
LAL.................4. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
15K FT MSL Winds....West around 38 mph. 
Mixing height.......2500 ft agl until 0800. 8500 ft agl after 1000. 
Transport winds.....West around 36 mph. 
Smoke dispersal.....Fair until 0900. Excellent after 1100. 

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy(34 percent). Isolated 
                    thunderstorms early in the evening. Isolated 
                    showers in the evening. 
Min temperature.....23-34F...except 14-26F above 10000 feet. 
Max humidity........55-69 percent...except 59-78 percent above 
                    10000 feet. 
Chc of wetting rain.10 percent. 
20-foot winds.......West 5-10 mph. Gusts up to 45 mph decreasing to 
                    25 mph after midnight. 
LAL.................2. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
15K FT MSL Winds....West around 39 mph. 
Mixing height.......6500 ft agl until 2000, then 2500 ft agl. 
Transport winds.....West around 15 mph. 
Smoke dispersal.....Excellent until 2000, then poor. 

.WEDNESDAY...
Sky/weather.........Sunny. 
Max temperature.....53-67F...except 37-53F above 10000 feet. 
Min humidity........13-22 percent. 
Chc of wetting rain.0 percent. 
20-foot winds.......West 5-15 mph with gusts to around 35 mph. 
LAL.................1. 
Haines Index........6 or high potential for large plume dominated 
                    fire growth. 
15K FT MSL Winds....West around 25 mph. 
Mixing height.......3500 ft agl until 1000. 11500 ft agl after 
                    1200. 
Transport winds.....Southwest around 26 mph. 
Smoke dispersal.....Fair until 1100. Excellent after 1500. 


.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Partly cloudy. Lows 23 to 38. Highs 42 to 69. West
winds around 25 mph. Gusts up to 50 mph. 
.FRIDAY...Mostly cloudy. Isolated thunderstorms. Lows 24 to 40.
Highs 39 to 66. Southwest winds around 20 mph. Gusts up to
45 mph. 
.SATURDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 24 to 39. Highs 41 to 68. West winds around 15 mph. Gusts up
to 40 mph. 
.SUNDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows
25 to 41. Highs 40 to 67. 
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
24 to 40. Highs 44 to 70.