Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-081030-
COZ205-081030-
Colorado River Headwaters-
1216 PM MDT Wed Oct 7 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1216 PM MDT Wed Oct 7 2026

.DISCUSSION...
Elevated relative humidity values and light winds will continue 
to suppress critical fire weather this week. Afternoon showers and
thunderstorms will return to the mountains today with the 
potential for gusty outflows and little localized wetting rain.
Winds do increase this weekend, but cooler and wetter conditions 
are expected to arrive, which should inhibit fire weather 
conditions.



...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 and 
                    thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....41-51 F. 
Max humidity........59-74%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 20 mph in the evening. 
CWR.................10 percent. 
15K Ft MSL Winds....West 5 to 10 mph. 
Mixing Height.......4000 ft AGL until 1900, then 1000 ft AGL. 
Transport Winds.....Southeast 5 mph. 
Smoke dispersal.....Poor. 

.THURSDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (30-40%). Isolated showers after 1200. 
Chc of lightning....0 percent. 
Max temperature.....66-76 F. 
Min humidity........21-31%. 
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....West 5 to 10 mph. 
Mixing Height.......2000 ft AGL until 1100, then 7500 ft AGL. 
Transport Winds.....South 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 1200, then fair. 

.THURSDAY NIGHT...
Sky/weather.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....41-51 F. 
Max humidity........56-71%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 20 mph in the evening. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 5 to 10 mph increasing to 10 to 15 
                    mph after midnight. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....South 5 mph. 
Smoke dispersal.....Poor. 

.FRIDAY...
Sky/weather.........Mostly sunny (20-30%). 
Chc of lightning....0 percent. 
Max temperature.....65-75 F. 
Min humidity........20-30%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 15 to 20 mph. 
Mixing Height.......1000 ft AGL until 1000, then 3500 ft AGL until 
                    1100, then 9500 ft AGL until 1700, then 5500 ft 
                    AGL. 
Transport Winds.....South 5 mph until 1200, then southwest 10 to 15 
                    mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.SATURDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 38-48. Highs 58-68. Southwest winds 10 to
20 mph with gusts to  30 mph. 
.SUNDAY...Numerous showers and isolated thunderstorms. Lows
39-49. Highs 56-66. Winds less than 15 mph. 
.COLUMBUS DAY...Showers and isolated thunderstorms. Lows 40-50.
Highs 56-66. Southwest winds 10 to 20 mph with gusts to  30 mph. 
.TUESDAY...Mostly cloudy. Numerous showers and isolated
thunderstorms. Lows 37-47. Highs 54-64. 
.WEDNESDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 34-44. Highs 48-58.