COZ205-262345-
COZ205-262345-
Colorado River Headwaters-
139 AM MDT Tue May 26 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
139 AM MDT Tue May 26 2026

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR
COLORADO FIRE WEATHER ZONES 207 AND 290, AS WELL AS UTAH FIRE
WEATHER ZONES 486, 487 AND 490... 

.DISCUSSION...
Scattered showers and storms are expected again today. Drier flow
and stronger winds arrive on Wednesday and persist through 
Friday. All three days are expected to see widespread critical 
fire weather conditions, focused in eastern Utah and southwestern 
Colorado. Though dry conditions stay in place through the weekend,
winds will weaken during this period, reducing fire weather 
concerns.


...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 cloudy (70-80%). Isolated thunderstorms 
                    until 1200. Scattered showers. Scattered 
                    thunderstorms after 1200. 
Chc of lightning....50 percent. 
Max temperature.....61-71 F. 
Min humidity........34-44%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent. 
15K Ft MSL Winds....South 15 to 20 mph. 
Mixing Height.......1500 ft AGL until 0900, then 5500 ft AGL. 
Transport Winds.....South 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Fair after 1200. 

.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly 
                    cloudy (40-50%). Scattered showers and isolated 
                    thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....38-48 F. 
Max humidity........74-89%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................30 percent. 
15K Ft MSL Winds....Southwest 15 to 20 mph. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....Southeast 5 mph. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers. 
                    Isolated thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....68-78 F. 
Min humidity........18-28%. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 20 mph. 
CWR.................10 percent. 
15K Ft MSL Winds....South 10 to 15 mph. 
Mixing Height.......1500 ft AGL until 0900, then 11500 ft AGL. 
Transport Winds.....South 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 39-49. Highs 72-82. Winds less than 15 mph. 
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
41-51. Highs 68-78. Southwest winds 10 to 20 mph with gusts to 
35 mph. 
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 36-46. Highs 63-73. Winds less than 15 mph. 
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
36-46. Highs 68-78. 
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
38-48. Highs 67-77.