Colorado River Headwaters (COZ205) - Fire Weather Forecast

Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

COZ205-110100- COZ205-110100- Colorado River Headwaters- 250 AM MDT Sun May 10 2026 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 250 AM MDT Sun May 10 2026 .DISCUSSION...Hot, dry, and windy conditions persist through the next several days, with at least localized critical fire weather conditions possible each day. Temperatures peak Monday and Tuesday with highs 15-20 degrees above normal. The next chance for more widespread critical fire weather conditions appears to be Wednesday, as winds increase ahead of a pattern shift. ...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 (10-20%). Chc of lightning....0 percent. Max temperature.....63-73 F. Min humidity........12-17%. 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....North 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Mixing Height.......1000 ft AGL until 0900, then 9000 ft AGL. Transport Winds.....North 5 mph. Smoke dispersal.....Poor until 0900. Good after 1500. .TONIGHT... Sky/weather.........Mostly clear (10-20%). Chc of lightning....0 percent. Min temperature.....36-46 F. Max humidity........42-52%. 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....Northwest 10 to 15 mph. Mixing Height.......7000 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then southeast. Smoke dispersal.....Poor. .MONDAY... Sky/weather.........Mostly sunny (20-30%). Chc of lightning....0 percent. Max temperature.....73-83 F. Min humidity........8-13%. 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....Northwest 15 to 20 mph. Mixing Height.......1000 ft AGL until 0900, then 12500 ft AGL. Transport Winds.....Southwest 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .TUESDAY...Mostly clear. Lows 38-48. Highs 75-85. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 41-51. Highs 76-86. Southwest winds 10 to 20 mph with gusts to 30 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 43-53. Highs 69-79. West winds 10 to 20 mph with gusts to 35 mph. .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 70-80. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 68-78.