Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-201115-
COZ205-201115-
Colorado River Headwaters-
112 PM MDT Thu Mar 19 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
112 PM MDT Thu Mar 19 2026

...FIRE WEATHER WATCH IN EFFECT SATURDAY MORNING THROUGH SATURDAY
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 200 BELOW 8000 FEET AND 202 BELOW 8000 FEET... 

.DISCUSSION... Hot and dry conditions are expected to persist over 
the next few days. On Saturday fire weather concerns look to be 
the most elevated due to increased afternoon wind gusts. Many high
terrain areas and valleys north of I-70 could see gusts exceed 30
mph Saturday afternoon. Relative humidity is expected to drop 
below 10 percent for all but the highest elevations through 
Saturday. 

...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.........Clear (0-10%). 
Chc of lightning....0 percent. 
Min temperature.....37-47 F. 
Max humidity........37-47%. 
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 20 to 25 mph. 
Mixing Height.......5000 ft AGL until 1900, then 2000 ft AGL. 
Transport Winds.....Southwest 5 mph. 
Smoke dispersal.....Poor. 

.FRIDAY...
Sky/weather.........Sunny (0-10%). 
Chc of lightning....0 percent. 
Max temperature.....64-74 F. 
Min humidity........11-16%. 
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 20 to 25 mph. 
Mixing Height.......6000 ft AGL. 
Transport Winds.....South 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 1200. Fair after 1500. 

.FRIDAY NIGHT...
Sky/weather.........Clear (0-10%). 
Chc of lightning....0 percent. 
Min temperature.....40-50 F. 
Max humidity........34-44%. 
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 20 to 25 mph increasing to 20 to 30 mph 
                    after midnight. 
Mixing Height.......4500 ft AGL until 1900, then 2500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (10-20%). 
Chc of lightning....0 percent. 
Max temperature.....67-77 F. 
Min humidity........10-15%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph with gusts to 40 mph in the 
                    afternoon. 
CWR.................0 percent. 
15K Ft MSL Winds....West 25 to 35 mph increasing to 30 to 40 mph in 
                    the afternoon. 
Mixing Height.......3000 ft AGL until 1100, then 9000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20 
                    to 25 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1500. 

.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Isolated showers. Lows 36-46. Highs
59-69. Winds less than 15 mph. 
.MONDAY...Partly cloudy. Isolated showers. Lows 33-43. Highs
60-70. Winds less than 15 mph. 
.TUESDAY...Partly cloudy. Lows 36-46. Highs 62-72. Winds less
than 15 mph. 
.WEDNESDAY...Mostly clear. Lows 38-48. Highs 65-75. 
.THURSDAY...Cooler. Mostly clear. Lows 34-44. Highs 53-63.