COZ205-301215-
COZ205-301215-
Colorado River Headwaters-
208 PM MDT Fri May 29 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
208 PM MDT Fri May 29 2026

...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 207, 290 AND 292, AS WELL AS UTAH FIRE WEATHER
ZONES 486, 487, 490 AND 491... 

.DISCUSSION... Hot, dry, and windy conditions are continuing  
through the afternoon today, bringing critical fire weather 
conditions, primarily to eastern Utah and the Four Corners area. A
low pressure system reaching the area by this evening will bring 
increased moisture, leading to just localized critical fire 
weather conditions in the Four Corners area after today. Although,
thunderstorms with minimal precipitation are possible tomorrow in
the northern fire zones. 

...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, isolated 
                    showers after 2400. 
Chc of lightning....20 percent. 
Min temperature.....34-44 F. 
Max humidity........62-77%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 25 mph in the evening. 
CWR.................10 percent. 
15K Ft MSL Winds....South 20 to 25 mph increasing to southwest 20 
                    to 30 mph after midnight. 
Mixing Height.......8500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Fair until 2100, then poor. 

.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers until 
                    1200, scattered showers and isolated 
                    thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....54-64 F. 
Min humidity........32-42%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph in the afternoon. Localized 
                    gusts up to 35 mph. 
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 25 to 35 mph becoming west 20 to 30 
                    mph in the afternoon. 
Mixing Height.......1500 ft AGL until 0800, then 6500 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph. 
Smoke dispersal.....Poor until 0900, then very good. 

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and 
                    thunderstorms until 2400. 
Chc of lightning....10 percent. 
Min temperature.....32-42 F. 
Max humidity........69-84%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent. 
15K Ft MSL Winds....West 25 to 35 mph. 
Mixing Height.......4000 ft AGL until 2100, then 1000 ft AGL. 
Transport Winds.....West 10 to 15 mph until 2400, then southwest 5 
                    mph. 
Smoke dispersal.....Fair until 2100, then poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly 
                    cloudy (30-40%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....60-70 F. 
Min humidity........17-27%. 
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.................10 percent. 
15K Ft MSL Winds....West 25 to 35 mph decreasing to 20 to 25 mph in 
                    the afternoon. 
Mixing Height.......2000 ft AGL until 0900, then 9500 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. 

.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 33-43. Highs 67-77. Winds less than
15 mph. 
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
37-47. Highs 70-80. Winds less than 15 mph. 
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 39-49. Highs 71-81. Winds less than 15 mph. 
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 40-50. Highs 72-82. 
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 73-83.