Colorado River Headwaters (COZ205) - Fire Weather Forecast

Nor'easter Bringing Dangerous Coastal Conditions to the Mid-Atlantic; Pacific Storm to Impact the Southwest U.S.

A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm will bring gusty winds, severe thunderstorms, and mountain snow to portions of California and the Southwest U.S. through Thursday. Read More >

COZ205-211000- COZ205-211000- Colorado River Headwaters- 733 PM MDT Tue Oct 20 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 733 PM MDT Tue Oct 20 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... .TONIGHT... Sky/weather.........Partly cloudy (30-40%). Chc of lightning....0 percent. Min temperature.....36-46 F. Max humidity........70-85%. 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 10 to 15 mph increasing to 20 to 25 mph after midnight. Mixing Height.......1000 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .WEDNESDAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (70-80%). Scattered showers. Isolated thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....58-68 F. Min humidity........37-47%. 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 20 to 25 mph. Mixing Height.......1500 ft AGL until 1100, then 5000 ft AGL until 1700, then 3000 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .WEDNESDAY NIGHT... Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms until 2400. Numerous showers. Chc of lightning....20 percent. Min temperature.....38-48 F. Max humidity........83-98%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................70 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.........Cloudy (80-90%). Showers. Isolated thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....55-65 F. Min humidity........57-72%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................90 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph increasing to 25 to 35 mph in the afternoon. Mixing Height.......2500 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Showers and isolated thunderstorms. Lows 38-48. Highs 50-60. Southwest winds 10 to 20 mph with gusts to 35 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 31-41. Highs 48-58. Winds less than 15 mph. .SUNDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 29-39. Highs 48-58. Winds less than 15 mph. .MONDAY...Partly cloudy. Isolated showers. Lows 29-39. Highs 49-59. .TUESDAY...Partly cloudy. Isolated showers. Lows 29-39. Highs 49-59.