Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-232345-
COZ205-232345-
Colorado River Headwaters-
142 AM MDT Tue Jun 23 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah...CORRECTED
National Weather Service Grand Junction CO
142 AM MDT Tue Jun 23 2026

...RED FLAG WARNING IN EFFECT FROM NOON UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 201, 205 BELOW 8000 FEET, 207, 290, 291, 292,
293, 294 AND 295 BELOW 9000 FEET, AS WELL AS UTAH FIRE WEATHER
ZONE 491... 

.DISCUSSION...Marginal fire weather conditions are expected today
with best potential and coverage across southeast Utah, southwest
Colorado and zones along the Divide where fuels are critical. 
Relative humidities may fall to around 5% in valleys. Dry 
thunderstorm concerns arise on Wednesday, lasting through Friday. 
Higher elevations have a better chance of wetting rain. Winds are 
expected to strengthen Friday and especially on Saturday, leading
to more widespread fire weather concerns.

...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...


...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS BELOW 8000
FEET...

.TODAY...
Sky/weather.........Mostly sunny (10-20%). Patchy smoke. 
Chc of lightning....0 percent. 
Max temperature.....80-90 F. 
Min humidity........5-10%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph with gusts to 30 mph in the 
                    afternoon. 
CWR.................0 percent. 
15K Ft MSL Winds....West 15 to 20 mph. 
Mixing Height.......1000 ft AGL until 0900. 15000 ft AGL after 
                    1000. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.TONIGHT...
Sky/weather.........Mostly clear (20-30%). Patchy smoke. 
Chc of lightning....0 percent. 
Min temperature.....50-60 F. 
Max humidity........33-43%. 
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....West 15 to 20 mph. 
Mixing Height.......12500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....West 10 to 15 mph until 2400, then south 5 mph. 
Smoke dispersal.....Very good until 2100, then poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (50-60%). Patchy smoke. Isolated showers 
                    and thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....78-88 F. 
Min humidity........9-14%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph with gusts to 30 mph in 
                    the afternoon. 
CWR.................10 percent. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......1500 ft AGL until 0900. 11500 ft AGL after 
                    1000. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20 
                    mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 46-56. Highs 69-79. Winds less than 15 mph. 
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 73-83. Southwest winds 10 to 20 mph with gusts
to  35 mph. 
.SATURDAY...Windy. Mostly clear. Isolated showers and
thunderstorms. Lows 46-56. Highs 73-83. Southwest winds 20 to
30 mph with gusts to  55 mph. 
.SUNDAY...Mostly clear. Lows 46-56. Highs 71-81. 
.MONDAY...Clear. Lows 41-51. Highs 69-79.