Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-031115-
COZ205-031115-
Colorado River Headwaters-
104 PM MDT Fri Oct 2 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
104 PM MDT Fri Oct 2 2026

.DISCUSSION...Despite unseasonably warm and dry conditions 
driving the seven-day forecast, critical fire weather conditions
are not expected. Isolated showers and storms cannot be ruled out over
the San Juans on Tuesday afternoon (20-40% chance).


...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.........Mostly clear (10-20%). 
Chc of lightning....0 percent. 
Min temperature.....39-49 F. 
Max humidity........56-66%. 
Snow Level..........Near 12400 ft. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent. 
15K Ft MSL Winds....Northwest 15 to 20 mph. 
Mixing Height.......3500 ft AGL until 1900, then 1000 ft AGL. 
Transport Winds.....Southwest 5 mph. 
Smoke dispersal.....Poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (30-40%). 
Chc of lightning....0 percent. 
Max temperature.....68-78 F. 
Min humidity........16-26%. 
Snow Level..........Near 12400 ft. 
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....Northwest 15 to 20 mph becoming north 10 to 15 
                    mph in the afternoon. 
Mixing Height.......1500 ft AGL until 1100, then 7500 ft AGL. 
Transport Winds.....Southwest 5 mph until 1200, then north. 
Smoke dispersal.....Poor until 1200, then fair. 

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....41-51 F. 
Max humidity........56-66%. 
Snow Level..........Near 12500 ft. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent. 
15K Ft MSL Winds....East 5 to 10 mph increasing to southwest 10 to 
                    15 mph after midnight. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....Northeast 5 mph until 2400, then east. 
Smoke dispersal.....Poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (20-30%). 
Chc of lightning....0 percent. 
Max temperature.....67-77 F. 
Min humidity........18-28%. 
Snow Level..........Near 12600 ft. 
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....West 10 to 15 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.....South 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Clear. Lows 41-51. Highs 66-76. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 42-52. Highs 64-74. Winds less than 15 mph. 
.WEDNESDAY...Mostly clear. Isolated showers. Lows 40-50. Highs
65-75. Winds less than 15 mph. 
.THURSDAY...Clear. Lows 41-51. Highs 64-74. 
.FRIDAY...Clear. Lows 40-50. Highs 63-73.