Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >
COZ202-251215- COZ202-251215- White River Forecast Area- 209 PM MDT Tue Jun 24 2025 Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 209 PM MDT Tue Jun 24 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE WEATHER ZONES 200, 202, 203 BELOW 8000 FEET, 205 BELOW 8000 FEET AND 290, AS WELL AS UTAH FIRE WEATHER ZONES 486, 487 AND 490... .DISCUSSION...One last day of critical fire weather conditions is on tap for most zones along and north of I-70 where wind gusts up to 35 mph and min RH values between 5-15% are expected. Moisture moves in along the Divide today and tomorrow bringing shower and storm chances to the high terrain, but wetting rain chances are low. The main concerns will be gusty outflow winds and lightning. ...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS OR THUNDERSTORMS... ...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL... ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT... Sky/weather.........Mostly clear (20-30%). Near 6000 feet, haze. near 8000 feet, haze after 2400. Chc of lightning....0 percent. Min temperature.....46-56 F. Max humidity........33-43%. 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....Southwest 20 to 25 mph. Mixing Height.......13000 ft AGL until 2000, then 1500 ft AGL. Transport Winds.....Southwest 10 to 15 mph until 2400, then east 5 mph. Smoke dispersal.....Excellent until 2100, then poor. .WEDNESDAY... Sky/weather.........Mostly sunny (20-30%) until 1200, then partly cloudy (30-40%). Near 6000 feet, haze. Isolated showers and thunderstorms after 1200. Near 8000 feet, haze until 1200. Chc of lightning....20 percent. Max temperature.....77-87 F near 6000 feet 66-76 F near 8000 feet. Min humidity........7-12%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......2500 ft AGL until 1000. 14000 ft AGL after 1100. Transport Winds.....Southeast 5 mph until 1200, then southwest 10 to 15 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy (30-40%) until 2400, then clear (0-10%). Chc of lightning....0 percent. Min temperature.....45-55 F. Max humidity........42-52% near 6000 feet 33-43% near 8000 feet. 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....Southwest 10 to 15 mph increasing to 15 to 20 mph after midnight. Mixing Height.......11000 ft AGL until 2000, then 1500 ft AGL. Transport Winds.....North 5 to 10 mph until 2400, then east. Smoke dispersal.....Good until 2100, then poor. .THURSDAY... Sky/weather.........Mostly sunny (10-20%). Chc of lightning....0 percent. Max temperature.....79-89 F near 6000 feet 69-79 F near 8000 feet. Min humidity........4-9%. 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....West 20 to 25 mph becoming southwest 15 to 20 mph in the afternoon. Mixing Height.......2500 ft AGL until 1000, then 14500 ft AGL. Transport Winds.....Southwest 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Clear. Lows 48-58. Highs 87-97. Winds less than 15 mph. .SATURDAY...Clear. Lows 50-60. Highs 88-98. Winds less than 15 mph. .SUNDAY...Mostly clear. Lows 51-61. Highs 89-99. Winds less than 15 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 51-61. Highs 89-99. .TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 53-63. Highs 89-99.