COZ205-271100-
COZ205-271100-
Colorado River Headwaters-
1258 PM MDT Fri Jun 26 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1258 PM MDT Fri Jun 26 2026

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE
WEATHER ZONES 200, 202, 203 BELOW 8000 FEET, 207 AND 290...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT SATURDAY
NIGHT FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR UTAH
FIRE WEATHER ZONES 486, 487, 490 AND 491...

...RED FLAG WARNING IN EFFECT FROM 10 AM UNTIL MIDNIGHT MDT
SATURDAY NIGHT FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR
COLORADO FIRE WEATHER ZONES 200, 201, 202, 203 BELOW 8000 FEET,
205 BELOW 8000 FEET, 207, 290, 291, 292, 293, 294 AND 295 BELOW
9000 FEET...

...RED FLAG WARNING IN EFFECT SUNDAY AFTERNOON THROUGH SUNDAY
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 202, 203 BELOW 8000 FEET, 207, 290, 292 AND
294, AS WELL AS UTAH FIRE WEATHER ZONES 487, 490 AND 491... 

.DISCUSSION...

Dry thunderstorms are again a concern today across all of western
Colorado. Locally heavy rain will be possible with some storms 
though. Tomorrow, RH plummets and gusts ramp up to over 45 mph. 
Though some higher elevation locations have seen wetting rain over
the past 48 hours, lower elevations around the Four Corners, 
Grand Valley, and Utah Grand Flat saw little to no rainfall. Due 
to the worsening atmospheric conditions and potential for new 
starts from lightning, Saturday is poised to be an extreme fire 
weather day. Fuels will be more prone to combustion and fires
will be capable of rapid spread.

...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...


...RED FLAG WARNING IN EFFECT FROM 10 AM SATURDAY TO MIDNIGHT MDT
SATURDAY NIGHT FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...

.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms 
                    until 2400. Scattered showers. 
Chc of lightning....20 percent. 
Min temperature.....46-56 F. 
Max humidity........56-71%. 
20-foot winds.......South winds 10 to 15 mph in the evening 
                    becoming downslope/downvalley 3 to 6 mph by 
                    sunset. Localized gusts up to 40 mph. 
CWR.................20 percent. 
15K Ft MSL Winds....Southwest 30 to 40 mph. 
Mixing Height.......8000 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....South 10 to 15 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and 
                    thunderstorms until 1200. 
Chc of lightning....0 percent. 
Max temperature.....72-82 F. 
Min humidity........11-16%. 
20-foot winds.......Southwest winds 10 to 15 mph increasing to 20 
                    to 25 mph in the afternoon. Localized gusts up 
                    to 50 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 40 to 50 mph. 
Mixing Height.......1000 ft AGL until 0800, then 12500 ft AGL. 
Transport Winds.....Southwest 20 to 25 mph until 1200, then 35 to 
                    45 mph. 
Smoke dispersal.....Poor until 0900, then excellent. 

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%). 
Chc of lightning....0 percent. 
Min temperature.....51-61 F. 
Max humidity........32-42%. 
20-foot winds.......Southwest winds 15 to 20 mph with gusts to 50 
                    mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 45 to 55 mph. 
Mixing Height.......11500 ft AGL until 2000, then 1500 ft AGL. 
Transport Winds.....Southwest 20 to 30 mph until 2400, then 15 to 
                    20 mph. 
Smoke dispersal.....Excellent until 2100, then poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (10-20%). 
Chc of lightning....0 percent. 
Max temperature.....73-83 F. 
Min humidity........11-16%. 
20-foot winds.......Southwest winds 20 to 25 mph with gusts to 45 
                    mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 45 to 55 mph decreasing to 40 to 50 
                    mph in the afternoon. 
Mixing Height.......1500 ft AGL until 0800, then 12000 ft AGL. 
Transport Winds.....Southwest 20 to 25 mph until 1200, then 25 to 
                    35 mph. 
Smoke dispersal.....Poor until 0900, then excellent. 

.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Clear. Lows 40-50. Highs 67-77. Southwest winds 10 to
20 mph with gusts to  45 mph. 
.TUESDAY...Clear. Lows 38-48. Highs 70-80. Southwest winds 10 to
20 mph with gusts to  40 mph. 
.WEDNESDAY...Clear. Lows 40-50. Highs 73-83. Southwest winds
10 to 20 mph with gusts to  35 mph. 
.THURSDAY...Clear. Lows 42-52. Highs 76-86. 
.FRIDAY...Clear. Lows 44-54. Highs 78-88.