COZ205-010000- COZ205-010000- Colorado River Headwaters- 152 AM MDT Sun Jun 30 2024 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 152 AM MDT Sun Jun 30 2024 .DISCUSSION...Fire weather concerns will remain low the next few days as monsoonal moisture lingers over the area and keeps afternoon humidity up. A change arrives by Tuesday as the moisture plume is swept to the East and much drier air moves into the region. By mid to late week afternoon humidity will be in the teens to single digits. Warm conditions by this time will help bring some gusty afternoon conditions and critical fire weather conditions may become more probable where fuels are ready to burn. ...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 (50-60%) until 1200, then mostly cloudy (70-80%). Isolated showers and thunderstorms until 1200, then scattered showers and thunderstorms. Max temperature.....70-80 F. Min humidity........34-44%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph in the afternoon. CWR.................50 percent. LAL.................2 until 1200, then 4. Haines Index........4 or low. 15K Ft MSL Winds....Southwest 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Mixing Height.......3500 ft AGL until 1000, then 6500 ft AGL. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Mostly cloudy (70-80%). Scattered showers until 2400. Scattered thunderstorms. Numerous showers after 2400. Min temperature.....47-57 F. Max humidity........79-94%. 20-foot winds.......Downslope/downvalley winds 3 to 6 mph. Localized gusts up to 20 mph in the evening. CWR.................70 percent. LAL.................1 until 2400, then 4. Haines Index........4 or low. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......4000 ft AGL until 2000, then 2500 ft AGL. Transport Winds.....South 5 to 10 mph. Smoke dispersal.....Poor. .MONDAY... Sky/weather.........Mostly cloudy (70-80%). Numerous showers until 1200. Scattered thunderstorms. Scattered showers after 1200. Max temperature.....66-76 F. Min humidity........34-44%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming southwest 10 to 15 mph in the afternoon. Localized gusts up to 30 mph. CWR.................60 percent. LAL.................1 until 1200, then 4. Haines Index........3 or very low. 15K Ft MSL Winds....West 20 to 30 mph. Mixing Height.......7500 ft AGL. Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 45-55. Highs 68-78. West winds 10 to 20 mph with gusts to 30 mph. .WEDNESDAY...Mostly clear. Lows 43-53. Highs 71-81. West winds 10 to 20 mph with gusts to 30 mph. .INDEPENDENCE DAY...Clear. Lows 42-52. Highs 72-82. West winds 10 to 20 mph with gusts to 30 mph. .FRIDAY...Clear. Lows 41-51. Highs 69-79. .SATURDAY...Mostly clear. Lows 41-51. Highs 71-81.