Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-041115-
COZ205-041115-
Colorado River Headwaters-
106 PM MDT Sat Oct 3 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
106 PM MDT Sat Oct 3 2026

.DISCUSSION...

Generally warm and dry conditions will persist through the 
weekend and into next week. Beginning Sunday isolated afternoon 
showers and thunderstorms are possible over the higher terrain, 
particularly the San Juan Mountains, each afternoon. Despite the 
drier weather, critical fire weather conditions are not in the 
forecast over the 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.........Mostly clear (20-30%). 
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 25 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Southeast 5 to 10 mph increasing to southwest 
                    15 to 20 mph after midnight. 
Mixing Height.......3500 ft AGL until 1900, then 1000 ft AGL. 
Transport Winds.....Northeast 5 to 10 mph until 2400, then 
                    southeast. 
Smoke dispersal.....Poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (20-30%). 
Chc of lightning....0 percent. 
Max temperature.....68-78 F. 
Min humidity........18-28%. 
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 15 to 20 mph becoming northwest 10 to 15 
                    mph in the afternoon. 
Mixing Height.......2000 ft AGL until 1100, then 8500 ft AGL. 
Transport Winds.....South 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 1200, then fair. 

.SUNDAY NIGHT...
Sky/weather.........Mostly clear (10-20%). 
Chc of lightning....0 percent. 
Min temperature.....41-51 F. 
Max humidity........56-66%. 
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 5 to 10 mph. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....West 5 mph until 2400, then south. 
Smoke dispersal.....Poor. 

.MONDAY...
Sky/weather.........Mostly sunny (10-20%). 
Chc of lightning....0 percent. 
Max temperature.....67-77 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....Northwest 5 to 10 mph. 
Mixing Height.......1000 ft AGL until 1000, then 3000 ft AGL until 
                    1100, then 8000 ft AGL until 1700, then 4000 ft 
                    AGL. 
Transport Winds.....Southwest 5 mph until 1200, then northwest. 
Smoke dispersal.....Poor until 0900. Fair after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 42-52. Highs 65-75. Winds less than 15 mph. 
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 40-50. Highs 65-75. Winds less than 15 mph. 
.THURSDAY...Mostly clear. Lows 40-50. Highs 64-74. Winds less
than 15 mph. 
.FRIDAY...Clear. Lows 40-50. Highs 64-74. 
.SATURDAY...Mostly clear. Isolated showers. Lows 40-50. Highs
61-71.