White River Forecast Area (COZ202) - Fire Weather Forecast

COZ202-121145-
COZ202-121145-
White River Forecast Area-
138 PM MDT Thu Sep 11 2025

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
138 PM MDT Thu Sep 11 2025

.DISCUSSION...Widespread to numerous showers and storms are
expected today through Friday with wetting rains likely. Strong 
to severe storms are possible this afternoon and Friday afternoon 
with large hail, damaging winds, and localized flash flooding all 
on the table. Storms become more scattered on Saturday with drier
conditions returning by Sunday into Monday.



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


.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms 
                    until 2400. Near 6000 feet, isolated showers. 
                    near 8000 feet, scattered showers. 
Chc of lightning....20 percent. 
Min temperature.....47-57 F. 
Max humidity........68-83% near 6000 feet 
                    62-77% near 8000 feet. 
20-foot winds.......South 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.......10500 ft AGL until 1900. 1000 ft AGL after 
                    2000. 
Transport Winds.....South 10 to 15 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.FRIDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly 
                    cloudy (60-70%). Isolated thunderstorms until 
                    1200. Scattered showers. Scattered 
                    thunderstorms after 1200. 
Chc of lightning....40 percent. 
Max temperature.....67-77 F near 6000 feet 
                    56-66 F near 8000 feet. 
Min humidity........28-38% near 6000 feet 
                    42-52% near 8000 feet. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph in the afternoon. 
                    Localized gusts up to 25 mph. 
CWR.................30 percent. 
15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 25 
                    mph in the afternoon. 
Mixing Height.......2000 ft AGL until 1000, then 8000 ft AGL. 
Transport Winds.....South 10 to 15 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Scattered thunderstorms 
                    until 2400. Numerous showers. Isolated 
                    thunderstorms after 2400. 
Chc of lightning....50 percent. 
Min temperature.....41-51 F. 
Max humidity........78-93% near 6000 feet 
                    69-84% near 8000 feet. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 25 mph in the evening. 
CWR.................40 percent. 
15K Ft MSL Winds....Southwest 20 to 25 mph. 
Mixing Height.......5000 ft AGL until 1900, then 2000 ft AGL. 
Transport Winds.....South 10 to 15 mph until 2400, then southeast 5 
                    mph. 
Smoke dispersal.....Poor. 

.SATURDAY...
Sky/weather.........Mostly cloudy (70-80%). Near 6000 feet, 
                    isolated thunderstorms until 1200. Numerous 
                    showers. Scattered thunderstorms after 1200. 
                    near 8000 feet, numerous showers and isolated 
                    thunderstorms until 1200, then showers and 
                    scattered thunderstorms. 
Chc of lightning....50 percent. 
Max temperature.....60-70 F near 6000 feet 
                    52-62 F near 8000 feet. 
Min humidity........41-51% near 6000 feet 
                    50-60% near 8000 feet. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent. 
15K Ft MSL Winds....Southwest 15 to 20 mph. 
Mixing Height.......3000 ft AGL until 1100, then 5500 ft AGL until 
                    1700, then 3500 ft AGL. 
Transport Winds.....Southwest 5 mph. 
Smoke dispersal.....Poor until 0900. Fair after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 39-49. Highs 68-78. Winds less than 15 mph. 
.MONDAY...Mostly clear. Lows 41-51. Highs 73-83. Winds less than
15 mph. 
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 42-52. Highs 72-82. Winds less than 15 mph. 
.WEDNESDAY...Mostly clear. Lows 38-48. Highs 70-80. 
.THURSDAY...Clear. Lows 38-48. Highs 72-82.