COZ205-011045-
COZ205-011045-
Colorado River Headwaters-
1242 PM MDT Fri Jul 31 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1242 PM MDT Fri Jul 31 2026

.DISCUSSION...
Hot and dry conditions will persist from now into early next 
week. Temperatures will trend in excess of 10 degrees over normal 
values. Wetting rains are not expected. Localized critical fire 
weather conditions will develop each afternoon into the middle of 
next week. A chance for the return of moisture and possible 
showers arrives mid week.



...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.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....53-63 F. 
Max humidity........48-58%. 
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....Northwest 10 to 15 mph. 
Mixing Height.......10500 ft AGL until 2000, then 500 ft AGL. 
Transport Winds.....North 5 to 10 mph until 2400, then east. 
Smoke dispersal.....Good until 2100, then poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (30-40%). 
Chc of lightning....0 percent. 
Max temperature.....82-92 F. 
Min humidity........9-14%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent. 
15K Ft MSL Winds....North 10 to 15 mph becoming northwest 5 to 10 
                    mph in the afternoon. 
Mixing Height.......2000 ft AGL until 1000. 13000 ft AGL after 
                    1100. 
Transport Winds.....Northeast 5 mph until 1200, then northwest. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....53-63 F. 
Max humidity........39-49%. 
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....Northwest 10 to 15 mph. 
Mixing Height.......10500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....North 5 mph until 2400, then southeast. 
Smoke dispersal.....Fair until 2100, then poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (30-40%). 
Chc of lightning....0 percent. 
Max temperature.....85-95 F. 
Min humidity........8-13%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent. 
15K Ft MSL Winds....Northwest 10 to 15 mph. 
Mixing Height.......2000 ft AGL until 1000. 14500 ft AGL after 
                    1100. 
Transport Winds.....Southwest 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 52-62. Highs 83-93. Winds less than
15 mph. 
.TUESDAY...Mostly clear. Isolated showers. Lows 51-61. Highs
82-92. Winds less than 15 mph. 
.WEDNESDAY...Mostly clear. Lows 49-59. Highs 82-92. Winds less
than 15 mph. 
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 51-61. Highs 82-92. 
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
51-61. Highs 82-92.