Southwest Colorado Lower Forecast Area (COZ207)

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

COZ207-212300- COZ207-212300- Southwest Colorado Lower Forecast Area- 310 AM MST Thu Nov 21 2024 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 310 AM MST Thu Nov 21 2024 .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%). Max temperature.....49-59 F. Min humidity........11-21%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. LAL.................1. Haines Index........4 or low. 15K Ft MSL Winds....West 30 to 40 mph decreasing to 25 to 35 mph in the afternoon. Mixing Height.......3500 ft AGL until 1600, then 1500 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Mostly clear (10-20%). Min temperature.....19-29 F. Max humidity........35-45%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. LAL.................1. Haines Index........5 or moderate. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......1500 ft AGL. Transport Winds.....East 5 mph. Smoke dispersal.....Poor. .FRIDAY... Sky/weather.........Mostly sunny (10-20%). Max temperature.....52-62 F. Min humidity........11-21%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. LAL.................1. Haines Index........5 or moderate. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......1500 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Smoke dispersal.....Poor. .FORECAST FOR DAY 3 THROUGH 7... .SATURDAY...Partly cloudy. Lows 24-34. Highs 53-63. Winds less than 15 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 28-38. Highs 49-59. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and isolated light freezing rain. Lows 23-33. Highs 45-55. Winds less than 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and light freezing rain and isolated thunderstorms. Lows 25-35. Highs 44-54. .WEDNESDAY...Mostly cloudy. Scattered showers and light freezing rain. Lows 23-33. Highs 42-52.

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Southwest Colorado Lower Forecast Area (COZ207) - Fire Weather Forecast