COZ205-272345-
COZ205-272345-
Colorado River Headwaters-
137 AM MDT Sun Sep 27 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
137 AM MDT Sun Sep 27 2026
.DISCUSSION...
Once again, a few showers, maybe a quick storm, will be possible
over higher terrain this afternoon and evening. Elsewhere, quiet
conditions are expected. Widespread precipitation returns Monday
through Wednesday asremnant moisture from tropical systems moves
in, especially down south. Clouds and precip will keep critical
fire weather conditions at a minimum.
...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%) until 1200, then mostly
cloudy (60-70%). Isolated showers. Isolated
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....64-74 F.
Min humidity........26-36%.
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....Southwest 10 to 15 mph.
Mixing Height.......1000 ft AGL until 1000, then 8000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 2400. Isolated showers.
Chc of lightning....20 percent.
Min temperature.....40-50 F.
Max humidity........73-88%.
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....Southwest 15 to 20 mph increasing to 20 to 30
mph after midnight.
Mixing Height.......4000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers.
Isolated thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....53-63 F.
Min humidity........56-66%.
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....Southwest 20 to 30 mph.
Mixing Height.......3000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.TUESDAY...Numerous showers and scattered thunderstorms. Lows
39-49. Highs 53-63. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 37-47. Highs 56-66. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 36-46. Highs 60-70. Winds less than 15 mph.
.FRIDAY...Clear. Lows 37-47. Highs 61-71.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 39-49. Highs 60-70.