COZ205-131045-
COZ205-131045-
Colorado River Headwaters-
1244 PM MDT Tue May 12 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1244 PM MDT Tue May 12 2026

...RED FLAG WARNING IN EFFECT WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR
COLORADO FIRE WEATHER ZONES 200, 202, 290 AND 292... 

.DISCUSSION... Localized critical fire weather conditions are 
possible each day through the week. Tomorrow an increase in 
afternoon wind gusts and persisting single digit and low teens 
relative humidity values will cause more widespread critical fire 
weather conditions. Red Flag Warnings are in effect tomorrow for 
CO Fire Weather Zones 200, 202, 290, and 292 where the fuels are 
deemed critical. There is a small chance of isolated dry 
thunderstorms over high terrain areas tomorrow. 

...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.........Partly cloudy (30-40%) until 2400, then clear 
                    (0-10%). 
Chc of lightning....0 percent. 
Min temperature.....45-55 F. 
Max humidity........38-48%. 
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 10 to 15 mph. 
Mixing Height.......11000 ft AGL until 2000, then 500 ft AGL. 
Transport Winds.....West 5 to 10 mph until 2400, then southeast. 
Smoke dispersal.....Good until 2100, then poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (50-60%). 
Chc of lightning....0 percent. 
Max temperature.....78-88 F. 
Min humidity........8-13%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph with gusts to 35 mph in 
                    the afternoon. 
CWR.................0 percent. 
15K Ft MSL Winds....West 15 to 20 mph increasing to southwest 20 to 
                    25 mph in the afternoon. 
Mixing Height.......1000 ft AGL until 0900. 13500 ft AGL after 
                    1000. 
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly 
                    cloudy (50-60%). Isolated showers. 
Chc of lightning....0 percent. 
Min temperature.....43-53 F. 
Max humidity........54-64%. 
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.................10 percent. 
15K Ft MSL Winds....West 25 to 35 mph. 
Mixing Height.......8000 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.THURSDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....0 percent. 
Max temperature.....70-80 F. 
Min humidity........9-14%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 15 to 20 mph in the afternoon. Localized 
                    gusts up to 35 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....West 25 to 35 mph decreasing to 20 to 30 mph in 
                    the afternoon. 
Mixing Height.......1000 ft AGL until 0800. 12000 ft AGL after 
                    0900. 
Transport Winds.....West 10 to 15 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Clear. Lows 35-45. Highs 70-80. West winds 10 to 20 mph
with gusts to  35 mph. 
.SATURDAY...Partly cloudy. Isolated showers. Lows 38-48. Highs
70-80. West winds 10 to 20 mph with gusts to  40 mph. 
.SUNDAY...Breezy. Partly cloudy. Isolated showers and
thunderstorms. Lows 39-49. Highs 64-74. Southwest winds 15 to
25 mph with gusts to  45 mph. 
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 33-43. Highs 57-67. 
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
31-41. Highs 63-73.