Colorado River Headwaters (COZ205) - Fire Weather Forecast

Bering Sea Storms in Alaska; Heavy Rain in Hawaii; Severe Thunderstorms in the Upper Mississippi Valley

A series of Bering Sea storms continues to impact western Alaska this week, with elevated water levels, isolated coastal flooding, high surf, erosion, and strong winds. Tropical moisture will bring the potential for heavy rain and thunderstorms to Hawaii through early Thursday. A few severe thunderstorms are possible over the Upper Mississippi Valley today with some tornado potential. Read More >

COZ205-282200- COZ205-282200- Colorado River Headwaters- 1235 AM MDT Wed Oct 28 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 1235 AM MDT Wed Oct 28 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.........Mostly sunny (20-30%) until 1200, then partly cloudy (30-40%). Chc of lightning....0 percent. Max temperature.....47-57 F. Min humidity........31-41%. 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 35 to 45 mph decreasing to 25 to 35 mph in the afternoon. Mixing Height.......1500 ft AGL until 1000, then 5000 ft AGL. Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Partly cloudy (30-40%). Chc of lightning....0 percent. Min temperature.....29-39 F. Max humidity........55-70%. 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 25 to 35 mph. Mixing Height.......1000 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .THURSDAY... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Max temperature.....50-60 F. Min humidity........26-36%. 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 25 to 35 mph decreasing to 20 to 30 mph in the afternoon. Mixing Height.......1500 ft AGL until 1100, then 6500 ft AGL until 1700, then 2500 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor until 1200, then fair. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Lows 30-40. Highs 51-61. Winds less than 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 31-41. Highs 45-55. Winds less than 15 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 30-40. Highs 43-53. Winds less than 15 mph. .MONDAY...Showers and isolated thunderstorms. Lows 28-38. Highs 37-47. .TUESDAY...Partly cloudy. Scattered showers. Lows 24-34. Highs 40-50.