COZ293-141245-
COZ293-141245-
Gunnison Basin Forecast Area-
234 PM MDT Tue May 13 2025

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
234 PM MDT Tue May 13 2025

.DISCUSSION...Warm, dry and windy conditions continue today with
wind gusts in the 30 to 50 mph range and relative humidity in the
single digits to low teens. Critical fire weather conditions
expected where fuels are critical. A cold front tonight will usher
in much cooler temperatures with scattered showers Wednesday and
Thursday, along with less wind but still breezy conditions.
Temperatures warm up late this week ahead of another storm system
late this weekend into early 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.........Mostly clear (20-30%). Areas of blowing dust 
                    until 2400. 
Chc of lightning....0 percent. 
Min temperature.....31-41 F. 
Max humidity........33-43%. 
20-foot winds.......Southwest winds 15 to 20 mph with gusts to 55 
                    mph in the evening becoming 
                    downslope/downvalley 3 to 6 mph by sunset. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 30 to 40 mph. 
Mixing Height.......10500 ft AGL until 2000, then 2000 ft AGL. 
Transport Winds.....Southwest 20 to 25 mph until 2400, then 5 to 10 
                    mph. 
Smoke dispersal.....Excellent until 2100, then poor. 

.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60%). Patchy blowing dust. 
                    Scattered showers and thunderstorms after 1200. 
Chc of lightning....40 percent. 
Max temperature.....48-58 F. 
Min humidity........13-23%. 
20-foot winds.......Southwest winds 10 to 15 mph increasing to west 
                    20 to 25 mph in the afternoon. Localized gusts 
                    up to 45 mph. 
CWR.................20 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph. 
Mixing Height.......2000 ft AGL until 0800, then 9500 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph until 1200, then west 20 
                    to 30 mph. 
Smoke dispersal.....Poor until 0900, then excellent. 

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (50-60%). Patchy blowing dust 
                    until 2400. Scattered showers and isolated 
                    thunderstorms until 2400. 
Chc of lightning....20 percent. 
Min temperature.....25-35 F. 
Max humidity........64-79%. 
20-foot winds.......West winds 15 to 20 mph with gusts to 45 mph in 
                    the evening becoming downslope/downvalley 3 to 
                    6 mph by sunset. 
CWR.................20 percent. 
15K Ft MSL Winds....West 25 to 35 mph. 
Mixing Height.......6500 ft AGL until 2000, then 2500 ft AGL. 
Transport Winds.....West 15 to 20 mph until 2400, then 5 to 10 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.THURSDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....10 percent. 
Max temperature.....49-59 F. 
Min humidity........18-28%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 15 to 20 mph with gusts to 40 mph in the 
                    afternoon. 
CWR.................20 percent. 
15K Ft MSL Winds....West 20 to 30 mph. 
Mixing Height.......3500 ft AGL until 0900, then 10000 ft AGL. 
Transport Winds.....West 10 to 15 mph until 1200, then 20 to 25 
                    mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 26-36. Highs 54-64. West winds 10 to 20 mph
with gusts to  40 mph. 
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 29-39. Highs 58-68. West winds 10 to 20 mph with gusts to 
35 mph. 
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 32-42. Highs 55-65. Southwest winds 10 to 20 mph with gusts
to  35 mph. 
.MONDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 27-37. Highs 46-56. 
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 28-38. Highs 49-59.