
A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >
COZ205-122300-
COZ205-122300-
Colorado River Headwaters-
1136 AM MST Thu Nov 12 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1136 AM MST Thu Nov 12 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...
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....50-60 F.
Min humidity........28-38%.
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 decreasing to 5 to 10 mph in
the afternoon.
Mixing Height.......2500 ft AGL until 1700, then 500 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Min temperature.....24-34 F.
Max humidity........61-76%.
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....Southwest 5 to 10 mph increasing to 10 to 15
mph after midnight.
Mixing Height.......500 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy (50-60%).
Chc of lightning....0 percent.
Max temperature.....48-58 F.
Min humidity........28-38%.
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....South 10 to 15 mph.
Mixing Height.......4500 ft AGL until 1600, then 1500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.SATURDAY...Colder, showers. Lows 26-36. Highs 38-48. Winds less
than 15 mph.
.SUNDAY...Partly cloudy. Isolated showers. Lows 25-35. Highs
39-49. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 23-33. Highs 44-54. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Isolated showers. Lows 24-34. Highs
45-55.
.WEDNESDAY...Colder. Numerous showers. Lows 25-35. Highs 35-45.