COZ205-122345-
COZ205-122345-
Colorado River Headwaters-
133 AM MDT Sat Sep 12 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
133 AM MDT Sat Sep 12 2026

.DISCUSSION...This weekend, gusts upwards of 35 mph are forecast 
for much of the area. However, an influx of moisture will negate 
the potential for widespread critical fire weather conditions due 
to rising RH. Precipitation chances will increase throughout the
weekend with more unsettled weather likely into the week ahead. 


...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.........Partly cloudy (40-50%). Isolated showers. 
                    Isolated thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....72-82 F. 
Min humidity........19-29%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......1500 ft AGL until 1000, then 9500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). 
Chc of lightning....0 percent. 
Min temperature.....49-59 F. 
Max humidity........56-71%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 25 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......7500 ft AGL until 1900. 500 ft AGL after 2000. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (40-50%). Isolated showers until 1200, 
                    then scattered showers and thunderstorms. 
Chc of lightning....20 percent. 
Max temperature.....73-83 F. 
Min humidity........25-35%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph in the afternoon. 
                    Localized gusts up to 30 mph. 
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph. 
Mixing Height.......1000 ft AGL until 0900, then 8500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20 
                    mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Showers and scattered thunderstorms.
Lows 47-57. Highs 64-74. Southwest winds 10 to 20 mph with gusts
to  30 mph. 
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 44-54. Highs 65-75. Winds less than 15 mph. 
.WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 65-75. Winds less than 15 mph. 
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 67-77. 
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
42-52. Highs 67-77.