Colorado River Headwaters (COZ205) - Fire Weather Forecast

COZ205-242345-
COZ205-242345-
Colorado River Headwaters-
132 AM MDT Wed Jun 24 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
132 AM MDT Wed Jun 24 2026

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON THROUGH FRIDAY
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 200, 202, 203, 207 AND 290... 

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON THROUGH LATE 
SATURDAY NIGHT FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR 
UTAH FIRE WEATHER ZONES 486, 487, 490 AND 491... 

.DISCUSSION...Hot, dry and breezy conditions are expected today, 
but critical fire weather conditions will be more localized. 
Moisture moves into the region from the southwest this afternoon
through Thursday, increasing the chance of dry thunderstorms and 
wetting rains. Wetting rains are more likely this evening into
Thursday. Drier air returns Friday and Saturday, along with very
strong southwest winds, elevating fire weather concerns. Fire 
Weather Watches remain in effect for both Friday and Saturday.

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


.TODAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (40-50%). Areas of smoke. Isolated 
                    showers and thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....80-90 F. 
Min humidity........8-13%. 
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 20 to 25 mph. 
Mixing Height.......1000 ft AGL until 0900. 14500 ft AGL after 
                    1100. 
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 cloudy (60-70%). Areas of smoke until 
                    2400, patchy smoke after 2400. Scattered showers 
                    until 2400. Isolated thunderstorms. Numerous 
                    showers after 2400. 
Chc of lightning....20 percent. 
Min temperature.....48-58 F. 
Max humidity........71-86%. 
20-foot winds.......Southwest winds 10 to 15 mph with gusts to 35 
                    mph in the evening becoming 
                    downslope/downvalley 3 to 6 mph by sunset. 
CWR.................50 percent. 
15K Ft MSL Winds....West 20 to 25 mph increasing to 20 to 30 mph 
                    after midnight. 
Mixing Height.......9000 ft AGL until 2000, then 1500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.THURSDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly 
                    cloudy (60-70%). Patchy smoke. Scattered 
                    showers and isolated thunderstorms until 
                    1200, numerous showers and scattered 
                    thunderstorms after 1200. 
Chc of lightning....50 percent. 
Max temperature.....67-77 F. 
Min humidity........32-42%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent. 
15K Ft MSL Winds....West 25 to 35 mph decreasing to 20 to 25 mph in 
                    the afternoon. 
Mixing Height.......1500 ft AGL until 0900, then 9000 ft AGL. 
Transport Winds.....West 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Partly cloudy. Patchy smoke. Scattered showers and
thunderstorms. Lows 43-53. Highs 72-82. Southwest winds 10 to
20 mph with gusts to  40 mph. 
.SATURDAY...Windy. Mostly clear. Isolated showers and
thunderstorms. Lows 45-55. Highs 73-83. Southwest winds 20 to
30 mph with gusts to  55 mph. 
.SUNDAY...Breezy, clear. Lows 46-56. Highs 71-81. Southwest winds
15 to 25 mph with gusts to  55 mph. 
.MONDAY...Clear. Lows 40-50. Highs 69-79. 
.TUESDAY...Clear. Lows 40-50. Highs 73-83.