Colorado River Headwaters (COZ205) - Fire Weather Forecast

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

COZ205-171145- COZ205-171145- Colorado River Headwaters- 143 PM MDT Fri Oct 16 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 143 PM MDT Fri Oct 16 2026 .DISCUSSION... Seasonal, if not a bit below, temperatures continue for the next several days. A few isolates showers may occur Monday as weak disturbance moves over the San Juans. A more potent system continues to look possible starting midweek onwards. No critical fire weather concerns noted. ...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.........Clear (0-10%). Chc of lightning....0 percent. Min temperature.....28-38 F. Max humidity........48-58%. 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....North 10 to 15 mph. Mixing Height.......1000 ft AGL. Transport Winds.....West 5 mph until 2400, then south. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Sunny (0-10%). Chc of lightning....0 percent. Max temperature.....59-69 F. Min humidity........17-27%. 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 5 to 10 mph shifting to the east in the afternoon. Mixing Height.......3000 ft AGL. Transport Winds.....Southwest 5 mph until 1200, then west. Smoke dispersal.....Poor. .SATURDAY NIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....31-41 F. Max humidity........54-64%. 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. Mixing Height.......1000 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly cloudy (60-70%). Chc of lightning....0 percent. Max temperature.....57-67 F. Min humidity........22-32%. 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....Southwest 5 to 10 mph increasing to south 10 to 15 mph in the afternoon. Mixing Height.......2000 ft AGL until 1200, then 4500 ft AGL until 1700, then 2500 ft AGL. Transport Winds.....South 5 mph until 1200, then west. Smoke dispersal.....Poor. .FORECAST FOR DAY 3 THROUGH 7... .MONDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 35-45. Highs 54-64. Winds less than 15 mph. .TUESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 35-45. Highs 54-64. Winds less than 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 35-45. Highs 56-66. Winds less than 15 mph. .THURSDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 37-47. Highs 53-63. .FRIDAY...Numerous showers and isolated thunderstorms. Lows 34-44. Highs 47-57.