COZ205-121100-
COZ205-121100-
Colorado River Headwaters-
1253 PM MDT Sun Oct 11 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1253 PM MDT Sun Oct 11 2026
.DISCUSSION...Gusty winds up to 40-50 mph continue through the
overnight hours, with showers and storms decreasing in intensity
this evening. Wet weather remains in the forecast through at least
mid week, with snow chances increasing over the higher terrain as
the week progresses. Critical fire weather conditions are not
anticipated, but watch out for windy conditions over the next
handful of days.
...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 cloudy (60-70%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....37-47 F.
Max humidity........73-88%.
Snow Level..........Near 11700 ft.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to 40
mph.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 40 to 50 mph.
Mixing Height.......1000 ft AGL.
Transport Winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Partly cloudy (50-60%). Scattered showers.
Isolated thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....58-68 F.
Min humidity........32-42%.
Snow Level..........Near 11000 ft.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph in the afternoon.
Localized gusts up to 30 mph.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 30 to 40 mph.
Mixing Height.......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 (50-60%) until 2400, then mostly
cloudy (60-70%). Scattered showers and isolated
thunderstorms.
Chc of lightning....20 percent.
Min temperature.....36-46 F.
Max humidity........76-91%.
Snow Level..........Near 11000 ft.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 30 to 40 mph.
Mixing Height.......1500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Max temperature.....54-64 F.
Min humidity........41-51%.
Snow Level..........Near 10400 ft.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 35 to 45 mph decreasing to 30 to 40
mph in the afternoon.
Mixing Height.......3500 ft AGL until 1100, then 5000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 1200, then good until 1500, then
fair.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Showers and isolated thunderstorms. Lows 31-41.
Highs 43-53. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 27-37. Highs 46-56. Winds less than 15 mph.
.FRIDAY...Mostly clear. Lows 26-36. Highs 52-62. Winds less than
15 mph.
.SATURDAY...Clear. Lows 29-39. Highs 54-64.
.SUNDAY...Mostly clear. Lows 31-41. Highs 54-64.