Lower Colorado River (COZ203) - Fire Weather Forecast

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

COZ203-011100- COZ203-011100- Lower Colorado River- 254 PM MST Wed Dec 31 2025 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 254 PM MST Wed Dec 31 2025 .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.........Mostly cloudy (60-70%). Numerous showers after 2400. Chc of lightning....0 percent. Min temperature.....28-38 F. Max humidity........69-84%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................30 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......2000 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .NEW YEARS DAY... Sky/weather.........Mostly cloudy (70-80%). Numerous showers. Chc of lightning....0 percent. Max temperature.....34-44 F near 6000 feet 29-39 F near 8000 feet. Min humidity........47-57%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................40 percent. 15K Ft MSL Winds....West 25 to 35 mph. Mixing Height.......2000 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .THURSDAY NIGHT... Sky/weather.........Mostly cloudy (70-80%). Numerous showers until 2400, then showers. Chc of lightning....0 percent. Min temperature.....30-40 F. Max humidity........86-100%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................50 percent. 15K Ft MSL Winds....West 25 to 35 mph. Mixing Height.......2000 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .FRIDAY... Sky/weather.........Mostly cloudy (70-80%) until 1200, then partly cloudy (50-60%). Showers until 1200, scattered showers after 1200. Chc of lightning....0 percent. Max temperature.....38-48 F near 6000 feet 31-41 F near 8000 feet. Min humidity........63-78%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................20 percent. 15K Ft MSL Winds....Northwest 20 to 30 mph. Mixing Height.......2000 ft AGL. Transport Winds.....West 5 mph. Smoke dispersal.....Poor. .FORECAST FOR DAY 3 THROUGH 7... .SATURDAY...Partly cloudy. Lows 25-35. Highs 42-52. Winds less than 15 mph. .SUNDAY...Mostly cloudy. Isolated showers. Lows 28-38. Highs 44-54. Winds less than 15 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 30-40. Highs 42-52. Winds less than 15 mph. .TUESDAY...Mostly cloudy. Scattered showers. Lows 27-37. Highs 39-49. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 22-32. Highs 37-47.