Colorado River Headwaters (COZ205) - Fire Weather Forecast

Edouard Continues to Impact Texas; Severe Storms and Heavy Rain from the Lower Great Lakes to Mid-Atlantic

Edouard will continue to bring gusty winds, heavy rainfall, and a flash flood threat over parts of eastern Texas. Severe thunderstorms and heavy rain are possible across portions of the eastern Great Lakes to the Mid-Atlantic overnight. Severe storms are also expected across parts of Montana. Dangerous heat persists over the central and eastern states through Friday night. Read More >

COZ205-032330- COZ205-032330- Colorado River Headwaters- 119 AM MDT Thu Sep 3 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 119 AM MDT Thu Sep 3 2026 .DISCUSSION...A slightly drier forecast is expected today with showers and storms limited to the southern Colorado mountains this afternoon. Southerly flow pulls moisture back into Southwest Colorado for Friday into Saturday for a better coverage of storms. Tropical moisture increases late this weekend into early next week with widespread precipitation and the threat of burn scar flooding. An active pattern remains in place for much of next week. ...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.........Mostly sunny (10-20%). Chc of lightning....0 percent. Max temperature.....70-80 F. Min humidity........18-28%. 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.................0 percent. 15K Ft MSL Winds....Southwest 35 to 45 mph decreasing to 25 to 35 mph in the afternoon. Mixing Height.......1000 ft AGL until 0900, then 9000 ft AGL. Transport Winds.....Southwest 10 to 15 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....46-56 F. Max humidity........55-65%. 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 20 to 30 mph. Mixing Height.......8000 ft AGL until 1900. 500 ft AGL after 2000. Transport Winds.....South 5 to 10 mph. Smoke dispersal.....Fair until 2100, then poor. .FRIDAY... Sky/weather.........Mostly sunny (20-30%) until 1200, then partly cloudy (30-40%). Isolated showers. Isolated thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....71-81 F. Min humidity........25-35%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph increasing to 30 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 25 mph in the afternoon. Mixing Height.......1000 ft AGL until 0900, then 9000 ft AGL. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 45-55. Highs 69-79. Winds less than 15 mph. .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 47-57. Highs 69-79. Winds less than 15 mph. .LABOR DAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 47-57. Highs 66-76. Winds less than 15 mph. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 44-54. Highs 67-77. .WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 45-55. Highs 66-76.