Colorado River Headwaters (COZ205) - Fire Weather Forecast

Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

COZ205-042300- COZ205-042300- Colorado River Headwaters- 1136 AM MST Wed Nov 4 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 1136 AM MST Wed Nov 4 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.........Partly cloudy (40-50%). Patchy fog until 1200. Scattered showers and isolated thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....44-54 F. Min humidity........42-52%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................70 percent. 15K Ft MSL Winds....Southwest 10 to 15 mph. Mixing Height.......1000 ft AGL until 1000, then 4500 ft AGL until 1700, then 2000 ft AGL. Transport Winds.....South 5 mph until 1200, then west. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly cloudy (50-60%). Showers and isolated thunderstorms until 2400. Patchy fog. Chc of lightning....20 percent. Min temperature.....25-35 F. Max humidity........77-92%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................100 percent. 15K Ft MSL Winds....Northeast 10 to 15 mph. Mixing Height.......1000 ft AGL. Transport Winds.....North 5 mph until 2400, then northeast. Smoke dispersal.....Poor. .THURSDAY... Sky/weather.........Mostly sunny (20-30%) until 1200, then partly cloudy (30-40%). Areas of fog until 1200. Chc of lightning....0 percent. Max temperature.....44-54 F. Min humidity........44-54%. 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....Northeast 5 to 10 mph shifting to the southwest in the afternoon. Mixing Height.......3000 ft AGL until 1700, then 500 ft AGL. Transport Winds.....East 5 mph until 1200, then southwest. Smoke dispersal.....Poor. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly cloudy. Scattered showers. Lows 25-35. Highs 41-51. Winds less than 15 mph. .SATURDAY...Mostly clear. Lows 23-33. Highs 43-53. Winds less than 15 mph. .SUNDAY...Clear. Lows 24-34. Highs 48-58. Winds less than 15 mph. .MONDAY...Clear. Lows 27-37. Highs 49-59. .TUESDAY...Partly cloudy. Lows 28-38. Highs 48-58.