COZ205-302345-
COZ205-302345-
Colorado River Headwaters-
139 AM MDT Sun Aug 30 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
139 AM MDT Sun Aug 30 2026

.DISCUSSION...
Showers and thunderstorms will continue each afternoon through 
the next several days. Heavy rain, gust outflow winds and 
ligthning will be the biggest concerns. Temperatures will also 
drop thanks to increased cloud cover and precipitation. Fire 
weather concerns remain minimal. A downturn in precip is possible 
on Tuesday.

...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%). Scattered showers and 
                    isolated thunderstorms until 1200, then showers 
                    and scattered thunderstorms. 
Chc of lightning....50 percent. 
Max temperature.....68-78 F. 
Min humidity........36-46%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................90 percent. 
15K Ft MSL Winds....West 30 to 40 mph becoming southwest 25 to 35 
                    mph in the afternoon. 
Mixing Height.......5000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Poor until 1200, then good until 1500, then 
                    fair. 

.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered showers and 
                    thunderstorms until 2400, isolated showers after 
                    2400. 
Chc of lightning....40 percent. 
Min temperature.....45-55 F. 
Max humidity........69-84%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 20 mph in the evening. 
CWR.................40 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25 
                    mph after midnight. 
Mixing Height.......2500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....South 5 mph. 
Smoke dispersal.....Poor. 

.MONDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated showers and 
                    thunderstorms until 1200, then numerous showers 
                    and scattered thunderstorms. 
Chc of lightning....50 percent. 
Max temperature.....68-78 F. 
Min humidity........34-44%. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 20 mph in the afternoon. 
CWR.................70 percent. 
15K Ft MSL Winds....Southwest 10 to 15 mph. 
Mixing Height.......1000 ft AGL until 1000, then 3500 ft AGL until 
                    1200, then 5500 ft AGL until 1600, then 3000 ft 
                    AGL. 
Transport Winds.....South 5 mph. 
Smoke dispersal.....Poor. 

.FORECAST FOR DAY 3 THROUGH 7...
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 67-77. Winds less than 15 mph. 
.WEDNESDAY...Mostly clear. Scattered showers and thunderstorms.
Lows 43-53. Highs 68-78. Southwest winds 10 to 20 mph with gusts
to  30 mph. 
.THURSDAY...Partly cloudy. Scattered thunderstorms and isolated
showers. Lows 43-53. Highs 70-80. Winds less than 15 mph. 
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 45-55. Highs 72-82. 
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 73-83.