Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-291115-
COZ205-291115-
Colorado River Headwaters-
109 PM MDT Mon Sep 28 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
109 PM MDT Mon Sep 28 2026

.DISCUSSION...Deep moisture will continue to stream in from the 
southwest bringing widespread rain and a few embedded 
thunderstorms over the next few days. A Flood Watch has been 
issued for southeast UT and southwest CO due to the increased 
rainfall and flooding risks. All the clouds and precipitation will
keep fire weather concerns to a minimum.


...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.........Cloudy (80-90%). Numerous showers and isolated 
                    thunderstorms until 2400, then scattered 
                    showers. 
Chc of lightning....20 percent. 
Min temperature.....38-48 F. 
Max humidity........86-100%. 
Snow Level..........Near 12600 ft. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent. 
15K Ft MSL Winds....Southwest 15 to 20 mph decreasing to 10 to 15 
                    mph after midnight. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....South 5 mph. 
Smoke dispersal.....Poor. 

.TUESDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated showers until 
                    1200, then scattered showers and isolated 
                    thunderstorms. 
Chc of lightning....20 percent. 
Max temperature.....54-64 F. 
Min humidity........51-61%. 
Snow Level..........Near 12500 ft. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent. 
15K Ft MSL Winds....Southwest 5 to 10 mph shifting to the south in 
                    the afternoon. 
Mixing Height.......4000 ft AGL. 
Transport Winds.....Southwest 5 mph until 1200, then north. 
Smoke dispersal.....Poor. 

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms 
                    until 2400. Scattered showers. 
Chc of lightning....20 percent. 
Min temperature.....39-49 F. 
Max humidity........82-97%. 
Snow Level..........Near 12900 ft. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent. 
15K Ft MSL Winds....Southeast 5 to 10 mph increasing to east 10 to 
                    15 mph after midnight. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....Northeast 5 mph. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers until 
                    1200, then numerous showers and isolated 
                    thunderstorms. 
Chc of lightning....20 percent. 
Max temperature.....52-62 F. 
Min humidity........53-63%. 
Snow Level..........Near 12700 ft. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 20 mph in the afternoon. 
CWR.................50 percent. 
15K Ft MSL Winds....Northeast 15 to 20 mph. 
Mixing Height.......4000 ft AGL. 
Transport Winds.....Northeast 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Fair after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 35-45. Highs 59-69. Winds less than 15 mph. 
.FRIDAY...Clear. Lows 37-47. Highs 62-72. Winds less than 15 mph.
.SATURDAY...Clear. Lows 38-48. Highs 62-72. Winds less than
15 mph. 
.SUNDAY...Mostly clear. Isolated showers. Lows 38-48. Highs
61-71. 
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
37-47. Highs 60-70.