Mon May 20 16:53:45 EDT 2024

Southwest Colorado Upper West Forecast Area-
253 PM MDT Mon May 20 2024

.Tonight...
Sky/weather.........Mostly cloudy (60-70%). Scattered showers and 
                    isolated thunderstorms. 
Min temperature.....31-41 F. 
Max humidity........73-88%. 
20-foot winds.......Southwest winds 15 to 20 mph with gusts to 40 
                    mph in the evening becoming 
                    downslope/downvalley 3 to 6 mph by sunset. 
CWR.................30 percent. 
LAL.................2.
Haines Index........5 or moderate. 
15K Ft MSL Winds....West 30 to 40 mph. 
Mixing Height.......11000 ft AGL until 2000, then 1500 ft AGL. 
Transport Winds.....Southwest 20 to 25 mph until 2400, then 5 to 10 
                    mph. 
Smoke dispersal.....Excellent until 2100. Poor after 2400. 

.TUESDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly 
                    cloudy (70-80%). Isolated thunderstorms until 
                    1200. Scattered showers. Scattered 
                    thunderstorms after 1200. 
Max temperature.....48-58 F. 
Min humidity........24-34%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph in the afternoon. Localized 
                    gusts up to 30 mph. 
CWR.................10 percent. 
LAL.................2 until 1200, then 4.
Haines Index........4 or low. 
15K Ft MSL Winds....West 25 to 35 mph. 
Mixing Height.......2500 ft AGL until 0900, then 9500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20 
                    to 25 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.TUESDAY NIGHT...
Sky/weather.........Mostly clear (20-30%). 
Min temperature.....27-37 F. 
Max humidity........40-50%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent. 
LAL.................1.
Haines Index........4 or low. 
15K Ft MSL Winds....West 25 to 35 mph. 
Mixing Height.......7000 ft AGL until 2000, then 1500 ft AGL. 
Transport Winds.....North 10 to 15 mph until 2400, then northeast. 
Smoke dispersal.....Good until 2100, then poor. 

.WEDNESDAY...
Sky/weather.........Sunny (0-10%). 
Max temperature.....55-65 F. 
Min humidity........12-17%. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 25 mph in the afternoon. 
CWR.................0 percent. 
LAL.................1.
Haines Index........5 or moderate. 
15K Ft MSL Winds....Southwest 20 to 25 mph. 
Mixing Height.......2000 ft AGL until 0800, then 10500 ft AGL. 
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Clear. Lows 33-43. Highs 60-70. Southwest winds 10 to
20 mph with gusts to  35 mph. 
.FRIDAY...Partly cloudy. Lows 34-44. Highs 58-68. Southwest winds
10 to 20 mph with gusts to  30 mph. 
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 35-45. Highs 59-69. Southwest winds 10 to 20 mph with gusts
to  30 mph. 
.SUNDAY...Mostly clear. Lows 34-44. Highs 59-69. 
.MEMORIAL DAY...Mostly clear. Lows 34-44. Highs 63-73.