National Weather Service United States Department of Commerce

Thunderstorms Over the Southeast U.S. and Northern Rockies; Critical Fire Weather Conditions in the Plains

Isolated severe thunderstorms and showers will bring a flash flood threat across the Southeast. Scattered severe wind gusts are expected across the northern Rockies into the Plains. Elevated to Critical fire weather conditions are expected across the north/central Plains and Upper Midwest. Read More >

 

COZ202-121300-
COZ202-121300-
White River Forecast Area-
246 PM MDT Sun May 11 2025

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
246 PM MDT Sun May 11 2025

.DISCUSSION...

Isolated showers and thunderstorms will continue through the 
afternoon today north of I-70. Dry, warm, and windy conditions are
expected to begin tomorrow. Consequently, on Monday and Tuesday 
elevated to critical fire weather conditions are possible where 
fuels are deemed critical.


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


.REST OF TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated showers and 
                    thunderstorms. 
Chc of lightning....10 percent. 
Max temperature.....69-79 F near 6000 feet 
                    61-71 F near 8000 feet. 
Min humidity........11-21%. 
20-foot winds.......Southwest winds 15 to 20 mph with gusts to 30 
                    mph. 
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph. 
Mixing Height.......14000 ft AGL. 
Transport Winds.....Southwest 20 to 25 mph. 
Smoke dispersal.....Excellent. 

.TONIGHT...
Sky/weather.........Near 6000 feet, mostly cloudy (60-70%) until 
                    2400, then partly cloudy (40-50%). Near 8000 
                    feet, partly cloudy (40-50%). Isolated showers 
                    and thunderstorms until 2400. 
Chc of lightning....10 percent. 
Min temperature.....44-54 F. 
Max humidity........37-47% near 6000 feet 
                    30-40% near 8000 feet. 
20-foot winds.......Southwest winds 10 to 15 mph with gusts to 30 
                    mph in the evening becoming 
                    downslope/downvalley 3 to 6 mph by sunset. 
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 25 to 35 mph. 
Mixing Height.......12500 ft AGL until 1900. 1500 ft AGL after 
                    2000. 
Transport Winds.....South 5 to 10 mph. 
Smoke dispersal.....Very good until 2100, then poor. 

.MONDAY...
Sky/weather.........Mostly sunny (10-20%). 
Chc of lightning....0 percent. 
Max temperature.....71-81 F near 6000 feet 
                    62-72 F near 8000 feet. 
Min humidity........8-13%. 
20-foot winds.......South winds 10 to 15 mph increasing to 
                    southwest 20 to 25 mph in the afternoon. 
                    Localized gusts up to 40 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 30 to 40 mph. 
Mixing Height.......1500 ft AGL until 0900. 12500 ft AGL after 
                    1000. 
Transport Winds.....South 15 to 20 mph until 1200, then southwest 
                    25 to 35 mph. 
Smoke dispersal.....Poor until 0900, then excellent. 

.FORECAST FOR DAY 3 THROUGH 7...
.TUESDAY...Breezy. Mostly clear. Lows 46-56. Highs 72-82.
Southwest winds 15 to 25 mph with gusts to  45 mph. 
.WEDNESDAY...Cooler. Partly cloudy. Scattered showers near
6000 feet and isolated showers near 8000 feet. Lows 34-44. Highs
54-64. West winds 10 to 20 mph with gusts to  40 mph. 
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 30-40. Highs 59-69. Winds less
than 15 mph. 
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
32-42. Highs 65-75. 
.SATURDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and isolated showers and
thunderstorms near 8000 feet. Lows 38-48. Highs 66-76.