COZ205-081100-
COZ205-081100-
Colorado River Headwaters-
1247 PM MDT Thu May 7 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1247 PM MDT Thu May 7 2026

.DISCUSSION...Some light showers will be possible over the
northern mountains through 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...


.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and 
                    isolated thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....33-43 F. 
Max humidity........64-79%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 30 mph in the evening. 
CWR.................20 percent. 
15K Ft MSL Winds....Northwest 25 to 35 mph increasing to 30 to 40 
                    mph after midnight. 
Mixing Height.......6000 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....Southwest 5 mph. 
Smoke dispersal.....Fair until 2100, then poor. 

.FRIDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (30-40%). 
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.......1000 ft AGL until 0900, then 9500 ft AGL. 
Transport Winds.....West 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....36-46 F. 
Max humidity........52-62%. 
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....West 20 to 25 mph increasing to 20 to 30 mph 
                    after midnight. 
Mixing Height.......8500 ft AGL until 1900. 1000 ft AGL after 2000. 
Transport Winds.....West 5 mph. 
Smoke dispersal.....Fair until 2100, then poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (30-40%). Isolated showers after 1200. 
Chc of lightning....0 percent. 
Max temperature.....63-73 F. 
Min humidity........11-21%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph in the afternoon. Localized 
                    gusts up to 30 mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Northwest 20 to 30 mph becoming west 20 to 25 
                    mph in the afternoon. 
Mixing Height.......2000 ft AGL until 0900, then 12500 ft AGL. 
Transport Winds.....West 5 to 10 mph until 1200, then 20 to 25 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Lows 32-42. Highs 66-76. Winds less than
15 mph. 
.MONDAY...Clear. Lows 34-44. Highs 73-83. West winds 10 to 20 mph
with gusts to  35 mph. 
.TUESDAY...Mostly clear. Lows 39-49. Highs 75-85. West winds
10 to 20 mph with gusts to  35 mph. 
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 41-51. Highs 74-84. 
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 41-51. Highs 71-81.