Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-071100-
COZ205-071100-
Colorado River Headwaters-
1258 PM MDT Tue Oct 6 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1258 PM MDT Tue Oct 6 2026

.DISCUSSION...

Warm and generally dry conditions will continue through the 
workweek, but critical fire weather conditions are not expected to
develop. Afternoon showers and thunderstorms are forecast over 
the higher terrain, especially the central and southern Colorado 
mountains, but wetting rain is unlikely until late Saturday into 
Sunday. A pattern shift is expected to bring cooler, wetter 
weather late this weekend into early next 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 and 
                    thunderstorms until 2400. 
Chc of lightning....0 percent. 
Min temperature.....42-52 F. 
Max humidity........53-63%. 
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....Northeast 10 to 15 mph shifting to the 
                    southeast after midnight. 
Mixing Height.......3000 ft AGL until 2000, then 500 ft AGL. 
Transport Winds.....Southeast 5 mph. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (40-50%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....69-79 F. 
Min humidity........17-27%. 
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....Southeast 10 to 15 mph shifting to the 
                    southwest 5 to 10 mph in the afternoon. 
Mixing Height.......1000 ft AGL until 1000. 7000 ft AGL after 1100. 
Transport Winds.....East 5 mph until 1200, then southwest. 
Smoke dispersal.....Poor until 1200, then fair. 

.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly 
                    cloudy (30-40%). Isolated showers and 
                    thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....41-51 F. 
Max humidity........60-75%. 
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....Northwest 5 to 10 mph. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....South 5 mph. 
Smoke dispersal.....Poor. 

.THURSDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....67-77 F. 
Min humidity........19-29%. 
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....Northwest 5 to 10 mph. 
Mixing Height.......1000 ft AGL until 1000, then 3000 ft AGL until 
                    1100, then 8500 ft AGL until 1700, then 4000 ft 
                    AGL. 
Transport Winds.....Southeast 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 0900. Fair after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows 40-50. Highs 64-74. Winds less than
15 mph. 
.SATURDAY...Mostly clear. Scattered showers and isolated
thunderstorms. Lows 38-48. Highs 60-70. Southwest winds 10 to
20 mph with gusts to  30 mph. 
.SUNDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 40-50. Highs 56-66. Winds less than 15 mph. 
.COLUMBUS DAY...Numerous showers and isolated thunderstorms. Lows
39-49. Highs 55-65. 
.TUESDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 36-46. Highs 52-62.