National Weather Service United States Department of Commerce

Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

COZ205-021100-
COZ205-021100-
Colorado River Headwaters-
1205 PM MST Sun Mar 1 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1205 PM MST Sun Mar 1 2026

.DISCUSSION...
This is an automatically generated forecast with no discussion. 
The normal Fire Weather Forecast will resume in its entirety in 
the spring.


...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 (50-60%). 
Chc of lightning....0 percent. 
Min temperature.....29-39 F. 
Max humidity........65-80%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 20 mph after midnight. 
CWR.................0 percent. 
15K Ft MSL Winds....West 25 to 35 mph. 
Mixing Height.......2000 ft AGL. 
Transport Winds.....South 5 mph. 
Smoke dispersal.....Poor. 

.MONDAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly 
                    cloudy (40-50%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....50-60 F. 
Min humidity........28-38%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph in the afternoon. 
                    Localized gusts up to 35 mph. 
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 30 to 40 mph. 
Mixing Height.......3000 ft AGL until 1000, then 6500 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph until 1200, then 20 to 
                    25 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%) until 2400, then mostly 
                    cloudy (60-70%). Scattered showers and isolated 
                    thunderstorms. 
Chc of lightning....20 percent. 
Min temperature.....25-35 F. 
Max humidity........72-87%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 30 mph decreasing to 20 
                    mph after midnight. 
CWR.................20 percent. 
15K Ft MSL Winds....Southwest 30 to 40 mph. 
Mixing Height.......2500 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph. 
Smoke dispersal.....Poor. 

.TUESDAY...
Sky/weather.........Mostly cloudy (60-70%). Numerous snow showers 
                    until 1200, then snow showers. 
Chc of lightning....0 percent. 
Max temperature.....38-48 F. 
Min humidity........49-59%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent. 
15K Ft MSL Winds....Northwest 20 to 25 mph becoming north 15 to 20 
                    mph in the afternoon. 
Mixing Height.......4000 ft AGL. 
Transport Winds.....Northwest 5 to 10 mph. 
Smoke dispersal.....Poor until 0900, then fair until 1500, then 
                    poor. 

.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 21-31. Highs 44-54. Winds less
than 15 mph. 
.THURSDAY...Partly cloudy. Scattered snow showers and isolated
thunderstorms. Lows 24-34. Highs 40-50. Winds less than 15 mph. 
.FRIDAY...Mostly cloudy. Numerous snow showers. Lows 20-30. Highs
33-43. Winds less than 15 mph. 
.SATURDAY...Partly cloudy. Scattered snow showers. Lows 16-26.
Highs 39-49. 
.SUNDAY...Mostly clear. Isolated showers. Lows 20-30. Highs
43-53.