COZ205-021115-
COZ205-021115-
Colorado River Headwaters-
109 PM MDT Fri May 1 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
109 PM MDT Fri May 1 2026

.DISCUSSION...Scattered showers will remain over the San Juans
today with localized critical fire weather conditions possible
across portions of northwest Colorado and eastern Utah. Conditions
dry out this weekend and warm up with isolated shower activity
over the San Juans, before the chance for showers increases early
next week as a system moves into the Great Basin. Fire weather 
concerns will be minimal with localized conditions at times through
the period.

...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 (30-40%) until 2400, then clear 
                    (0-10%). Isolated showers until 2400. 
Chc of lightning....0 percent. 
Min temperature.....25-35 F. 
Max humidity........56-71%. 
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....Northeast 15 to 20 mph decreasing to 5 to 10 
                    mph after midnight. 
Mixing Height.......10000 ft AGL until 2000, then 2000 ft AGL. 
Transport Winds.....East 5 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). 
Chc of lightning....0 percent. 
Max temperature.....55-65 F. 
Min humidity........13-23%. 
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....East 5 to 10 mph shifting to the southwest in 
                    the afternoon. 
Mixing Height.......2500 ft AGL until 0900, then 10500 ft AGL. 
Transport Winds.....Southeast 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 0900. Good after 1500. 

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). 
Chc of lightning....0 percent. 
Min temperature.....31-41 F. 
Max humidity........53-63%. 
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 10 to 15 mph increasing to 20 to 25 mph 
                    after midnight. 
Mixing Height.......8000 ft AGL until 2000, then 2000 ft AGL. 
Transport Winds.....Southwest 5 mph. 
Smoke dispersal.....Poor. 

.SUNDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....56-66 F. 
Min humidity........16-26%. 
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....West 20 to 25 mph decreasing to 15 to 20 mph in 
                    the afternoon. 
Mixing Height.......2500 ft AGL until 0800, then 11000 ft AGL. 
Transport Winds.....West 5 to 10 mph. 
Smoke dispersal.....Poor until 0900. Very good after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 32-42. Highs 52-62. Winds less than 15 mph. 
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 30-40. Highs 49-59. Winds less than 15 mph. 
.WEDNESDAY...Mostly cloudy. Numerous showers and isolated
thunderstorms. Lows 27-37. Highs 48-58. Northwest winds 10 to
20 mph with gusts to  30 mph. 
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 28-38. Highs 55-65. 
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
30-40. Highs 60-70.