Colorado River Headwaters (COZ205) - Fire Weather Forecast

Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

COZ205-042345- COZ205-042345- Colorado River Headwaters- 144 AM MDT Sat Apr 4 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 144 AM MDT Sat Apr 4 2026 .DISCUSSION... High pressure builds in for the weekend before flattening out with a possible return of precip midweek onwards. Drier air does move into the southern half of the forecast area today. Afternoon humidities will drop to the teens but with generally light winds, critical fire weather conditions are not expected. ...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.....44-54 F. Min humidity........23-33%. 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....Northwest 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Mixing Height.......6000 ft AGL. Transport Winds.....West 5 mph. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Mostly clear (10-20%). Chc of lightning....0 percent. Min temperature.....23-33 F. Max humidity........57-67%. 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....West 10 to 15 mph. Mixing Height.......5000 ft AGL until 1900, then 2500 ft AGL. Transport Winds.....North 5 mph until 2400, then east. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Sunny (0-10%). Chc of lightning....0 percent. Max temperature.....52-62 F. Min humidity........13-23%. 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....West 10 to 15 mph. Mixing Height.......3500 ft AGL until 1100, then 8500 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Smoke dispersal.....Poor until 1200. Fair after 1500. .FORECAST FOR DAY 3 THROUGH 7... .MONDAY...Partly cloudy. Isolated showers. Lows 26-36. Highs 53-63. Winds less than 15 mph. .TUESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 29-39. Highs 53-63. West winds 10 to 20 mph with gusts to 30 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 30-40. Highs 55-65. West winds 10 to 20 mph with gusts to 40 mph. .THURSDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 32-42. Highs 54-64. .FRIDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 30-40. Highs 48-58.