Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-101145-
COZ205-101145-
Colorado River Headwaters-
144 PM MDT Fri Oct 9 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
144 PM MDT Fri Oct 9 2026

.DISCUSSION...Isolated showers and thunderstorms today will last
into the early evening. Tomorrow will see scattered showers and 
thunderstorms becoming more widespread Sunday into Monday with 
possible severe thunderstorms. Sunday will see winds 35-50 mph 
with gusts to 60 mph. Tuesday to Thursday will see an early season
winter storm in the mountains with snow levels as low as 8K ft 
and light accumulation above 10K ft. Critical fire weather 
conditions are not expected through the coming week. 

...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 showers after 
                    2400. 
Chc of lightning....0 percent. 
Min temperature.....41-51 F. 
Max humidity........56-71%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph increasing to west 25 to 
                    35 mph after midnight. 
Mixing Height.......3500 ft AGL until 1900, then 1000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Poor. 

.SATURDAY...
Sky/weather.........Partly cloudy (50-60%). Scattered showers and 
                    isolated thunderstorms. 
Chc of lightning....20 percent. 
Max temperature.....60-70 F. 
Min humidity........34-44%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph in the afternoon. 
                    Localized gusts up to 30 mph. 
CWR.................30 percent. 
15K Ft MSL Winds....Southwest 25 to 35 mph. 
Mixing Height.......1500 ft AGL until 1000, then 5000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20 
                    mph. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered showers until 
                    2400. Isolated thunderstorms. Showers after 
                    2400. 
Chc of lightning....20 percent. 
Min temperature.....40-50 F. 
Max humidity........80-95%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................90 percent. 
15K Ft MSL Winds....Southwest 25 to 35 mph increasing to 30 to 40 
                    mph after midnight. 
Mixing Height.......1500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Poor. 

.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers until 
                    1200. Isolated thunderstorms. Scattered showers 
                    after 1200. 
Chc of lightning....20 percent. 
Max temperature.....60-70 F. 
Min humidity........41-51%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph with gusts to 35 mph in 
                    the afternoon. 
CWR.................40 percent. 
15K Ft MSL Winds....Southwest 35 to 45 mph. 
Mixing Height.......2500 ft AGL until 1100, then 6000 ft AGL. 
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.COLUMBUS DAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 40-50. Highs 56-66. Southwest winds 10 to
20 mph with gusts to  40 mph. 
.TUESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 36-46. Highs 55-65. Winds less than 15 mph. 
.WEDNESDAY...Cooler. Numerous showers and isolated thunderstorms.
Lows 32-42. Highs 45-55. Winds less than 15 mph. 
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 29-39. Highs 48-58. 
.FRIDAY...Mostly clear. Isolated showers. Lows 28-38. Highs
51-61.