COZ205-011915-
COZ205-011915-
Colorado River Headwaters-
904 PM MDT Tue Jun 30 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
904 PM MDT Tue Jun 30 2026

...RED FLAG WARNING IN EFFECT FROM NOON UNTIL 8 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE
WEATHER ZONES 203 BELOW 8000 FEET, 205 BELOW 8000 FEET, 207, 290,
291, 292, 293, 294 AND 295, AS WELL AS UTAH FIRE WEATHER ZONE
491... 
...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR
COLORADO FIRE WEATHER ZONES 205, 207, 290, 291, 292, 293, 294 AND
295, AS WELL AS UTAH FIRE WEATHER ZONE 491... 

.DISCUSSION...
Persistent hot, dry, windy conditions will produce critical fire 
conditions through the remainder of the week. Non zero chances for
a dry thunderstorm remain a possibility this evening for 
northeast UT. Wetting rains are not likely in this forecast 
period. Critical fire weather conditions abate this weekend as 
winds become lighter. Temperatures will surge upward though, 
continuing the hot and dry pattern.

...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 UNTIL 8 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE
WEATHER ZONES 203 BELOW 8000 FEET, 205 BELOW 8000 FEET, 207, 290,
291, 292, 293, 294 AND 295, AS WELL AS UTAH FIRE WEATHER ZONE
491... 
...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR
COLORADO FIRE WEATHER ZONES 205, 207, 290, 291, 292, 293, 294 AND
295, AS WELL AS UTAH FIRE WEATHER ZONE 491...

.REST OF TONIGHT...
Sky/weather.........Mostly clear (10-20%). Patchy smoke. 
Chc of lightning....0 percent. 
Min temperature.....41-51 F. 
Max humidity........36-46%. 
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....Southwest 25 to 35 mph. 
Mixing Height.......500 ft AGL. 
Transport Winds.....West 5 to 10 mph until 2400, then south. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (10-20%). Patchy smoke. 
Chc of lightning....0 percent. 
Max temperature.....73-83 F. 
Min humidity........6-11%. 
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.................0 percent. 
15K Ft MSL Winds....Southwest 20 to 25 mph. 
Mixing Height.......500 ft AGL until 0800. 14500 ft AGL after 0900. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then 20 to 25 
                    mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (10-20%). Patchy smoke. 
Chc of lightning....0 percent. 
Min temperature.....42-52 F. 
Max humidity........29-39%. 
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....Southwest 20 to 25 mph. 
Mixing Height.......12500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph until 2400, then south 5 
                    mph. 
Smoke dispersal.....Very good until 2100, then poor. 

.THURSDAY...
Sky/weather.........Mostly sunny (10-20%). Patchy smoke until 1200. 
Chc of lightning....0 percent. 
Max temperature.....75-85 F. 
Min humidity........6-11%. 
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.................0 percent. 
15K Ft MSL Winds....Southwest 15 to 20 mph. 
Mixing Height.......500 ft AGL until 0800. 15500 ft AGL after 1100. 
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows 41-51. Highs 77-87. Southwest winds
10 to 20 mph with gusts to  30 mph. 
.INDEPENDENCE DAY...Mostly clear. Lows 44-54. Highs 77-87. Winds
less than 15 mph. 
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
45-55. Highs 79-89. Winds less than 15 mph. 
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
47-57. Highs 79-89. 
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
48-58. Highs 79-89.