National Weather Service United States Department of Commerce

Slight Risk for Excessive Rainfall and Severe Thunderstorms Thursday

Additional rounds of thunderstorms are expected Thursday and Thursday night across Oklahoma and north Texas, with risks for both large hail and flash flooding. Strong winds may accompany any storms from east Texas northeast through the lower Great Lakes. Read More >

 

COZ207-020030-
COZ207-020030-
Southwest Colorado Lower Forecast Area-
229 AM MDT Thu May 1 2025

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
229 AM MDT Thu May 1 2025

.DISCUSSION...A weakening front will continue to push through 
southern portions of Utah and Colorado today leading to scattered
shower and thunderstorm activity. Otherwise dry conditions are 
expected over the next few days before a stronger system arrives
for the weekend. Critical fire weather condition appear unlikely
over the next week due either to light winds or abundant low 
level moisture. 

...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...


.TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated showers. 
                    Isolated thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....61-71 F. 
Min humidity........18-28%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph with gusts to 30 mph in the 
                    afternoon. 
CWR.................10 percent. 
15K Ft MSL Winds....West 20 to 25 mph becoming northwest 15 to 20 
                    mph in the afternoon. 
Mixing Height.......2000 ft AGL until 0900, then 11000 ft AGL. 
Transport Winds.....Northwest 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.TONIGHT...
Sky/weather.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....34-44 F. 
Max humidity........56-66%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 25 mph in the evening. 
CWR.................0 percent. 
15K Ft MSL Winds....Northwest 10 to 15 mph. 
Mixing Height.......9500 ft AGL until 2000, then 1500 ft AGL. 
Transport Winds.....North 5 to 10 mph until 2400, then northeast. 
Smoke dispersal.....Good until 2100, then poor. 

.FRIDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....66-76 F. 
Min humidity........10-15%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent. 
15K Ft MSL Winds....North 5 to 10 mph. 
Mixing Height.......2500 ft AGL until 1000, then 11000 ft AGL. 
Transport Winds.....Northeast 5 mph until 1200, then north. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.SATURDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 37-47. Highs 68-78. South winds 10 to 20 mph
with gusts to  30 mph. 
.SUNDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows
40-50. Highs 64-74. Southeast winds 10 to 20 mph with gusts to 
40 mph. 
.MONDAY...Cooler. Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 33-43. Highs 54-64. Winds less than 15 mph. 
.TUESDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 30-40. Highs 57-67. 
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 31-41. Highs 60-70.