COZ205-291145-
COZ205-291145-
Colorado River Headwaters-
139 PM MDT Tue Apr 28 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
139 PM MDT Tue Apr 28 2026

.DISCUSSION...

Isolated to scattered showers and thunderstorms continue across 
the mountains today through Thursday. Relative humidities remain 
well above critical fire weather thresholds. Wetting rains become 
more likely Thursday and Friday with additional accumulating 
snowfall for the mountains. Critical fire weather conditions are 
not expected.

...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 (40-50%). 
Chc of lightning....0 percent. 
Min temperature.....25-35 F. 
Max humidity........63-78%. 
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 20 to 30 mph. 
Mixing Height.......7000 ft AGL until 2000, then 2000 ft AGL. 
Transport Winds.....West 5 to 10 mph until 2400, then east. 
Smoke dispersal.....Fair until 2100, then poor. 

.WEDNESDAY...
Sky/weather.........Mostly cloudy (60-70%). Patchy fog until 1200. 
                    Scattered showers. Isolated thunderstorms after 
                    1200. 
Chc of lightning....20 percent. 
Max temperature.....46-56 F. 
Min humidity........26-36%. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 20 mph in the afternoon. 
CWR.................30 percent. 
15K Ft MSL Winds....West 20 to 25 mph decreasing to 15 to 20 mph in 
                    the afternoon. 
Mixing Height.......2500 ft AGL until 0900, then 9000 ft AGL. 
Transport Winds.....West 5 mph until 1200, then 10 to 15 mph. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and 
                    isolated thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....27-37 F. 
Max humidity........62-77%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent. 
15K Ft MSL Winds....West 10 to 15 mph. 
Mixing Height.......6000 ft AGL until 2000, then 2500 ft AGL. 
Transport Winds.....North 5 mph until 2400, then east. 
Smoke dispersal.....Poor. 

.THURSDAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers. 
                    Scattered thunderstorms after 1200. 
Chc of lightning....50 percent. 
Max temperature.....46-56 F. 
Min humidity........28-38%. 
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming 
                    upslope/upvalley 4 to 8 mph by 1100.
CWR.................70 percent. 
15K Ft MSL Winds....West 10 to 15 mph. 
Mixing Height.......3500 ft AGL until 0900, then 9000 ft AGL. 
Transport Winds.....North 5 mph until 1200, then northwest. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 25-35. Highs 48-58. Winds less than 15 mph. 
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 24-34. Highs 55-65. Winds less than 15 mph. 
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
29-39. Highs 57-67. Winds less than 15 mph. 
.MONDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 32-42. Highs 56-66. 
.TUESDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 33-43. Highs 55-65.