COZ205-231145-
COZ205-231145-
Colorado River Headwaters-
133 PM MDT Fri May 22 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
133 PM MDT Fri May 22 2026

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE
WEATHER ZONE 207... 

.DISCUSSION...
Critical fire weather conditions for southwest Colorado continue 
today and Saturday. Winds subside late weekend and a surge of 
moisture early next week will suppress critical fire weather 
conditions. Showers and thunderstorms will return for the 
mountains Sunday and become more widespread on the terrain Monday 
and Tuesday. An approaching disturbance could produce critical 
fire weather next Wednesday and Thursday for portions of southeast
UT and southwest CO.


...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 cloudy (60-70%) until 2400, then mostly 
                    clear (20-30%). Isolated showers. 
Chc of lightning....0 percent. 
Min temperature.....30-40 F. 
Max humidity........58-73%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent. 
15K Ft MSL Winds....West 15 to 20 mph increasing to 20 to 25 mph 
                    after midnight. 
Mixing Height.......6500 ft AGL until 2100, then 1000 ft AGL. 
Transport Winds.....West 5 to 10 mph until 2400, then south. 
Smoke dispersal.....Fair until 2100, then poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (30-40%). 
Chc of lightning....0 percent. 
Max temperature.....60-70 F. 
Min humidity........16-26%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph in the afternoon. Localized 
                    gusts up to 30 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......500 ft AGL until 0800. 10500 ft AGL after 0900. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). 
Chc of lightning....0 percent. 
Min temperature.....38-48 F. 
Max humidity........52-62%. 
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. 
Mixing Height.......8000 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....Southwest 5 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (30-40%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....68-78 F. 
Min humidity........16-26%. 
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....West 20 to 25 mph. 
Mixing Height.......1000 ft AGL until 0800. 9500 ft AGL after 0900. 
Transport Winds.....West 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.MEMORIAL DAY...Partly cloudy. Scattered showers and
thunderstorms. Lows 37-47. Highs 68-78. Winds less than 15 mph. 
.TUESDAY...Mostly cloudy. Showers and scattered thunderstorms.
Lows 38-48. Highs 59-69. Winds less than 15 mph. 
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 36-46. Highs 65-75. Winds less than 15 mph. 
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 37-47. Highs 67-77. 
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
37-47. Highs 64-74.