COZ205-080045-
COZ205-080045-
Colorado River Headwaters-
237 AM MDT Thu May 7 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
237 AM MDT Thu May 7 2026

.DISCUSSION...Some light showers will be possible over the
northern mountains tonight, otherwise conditions will be dry. 
Relative humidities will begin to drop to critical levels 
around the Four Corners, then spread northward this weekend. Hot, 
dry, windy conditions return next week as temperatures surge well 
above average. Widespread critical fire weather develops next 
week.

...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%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....53-63 F. 
Min humidity........25-35%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph with gusts to 30 mph in the 
                    afternoon. 
CWR.................10 percent. 
15K Ft MSL Winds....Northwest 20 to 30 mph. 
Mixing Height.......2000 ft AGL until 1000, then 8500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and 
                    thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....33-43 F. 
Max humidity........60-75%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 30 mph in the evening. 
CWR.................10 percent. 
15K Ft MSL Winds....Northwest 25 to 35 mph. 
Mixing Height.......6500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....West 5 mph. 
Smoke dispersal.....Fair until 2100, then poor. 

.FRIDAY...
Sky/weather.........Mostly sunny (20-30%). 
Chc of lightning....0 percent. 
Max temperature.....62-72 F. 
Min humidity........16-26%. 
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 20 to 30 mph becoming west 15 to 20 
                    mph in the afternoon. 
Mixing Height.......1500 ft AGL until 0900, then 10000 ft AGL. 
Transport Winds.....West 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 33-43. Highs 62-72. West winds 10 to 20 mph with gusts to 
35 mph. 
.SUNDAY...Mostly clear. Lows 32-42. Highs 66-76. Winds less than
15 mph. 
.MONDAY...Clear. Lows 34-44. Highs 74-84. West winds 10 to 20 mph
with gusts to  35 mph. 
.TUESDAY...Clear. Lows 39-49. Highs 76-86. 
.WEDNESDAY...Mostly clear. Lows 40-50. Highs 75-85.