National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

COZ205-082345-
COZ205-082345-
Colorado River Headwaters-
135 AM MDT Mon Jun 8 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
135 AM MDT Mon Jun 8 2026

...RED FLAG WARNING IN EFFECT FROM 10 AM UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 200, 202, 203 BELOW 8000 FEET, 205 BELOW 8000
FEET, 207, 290, 291, 292, 293 AND 295, AS WELL AS UTAH FIRE
WEATHER ZONES 486, 487, 490 AND 491... 

...RED FLAG WARNING IN EFFECT TUESDAY MORNING THROUGH TUESDAY
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 200, 202, 203 BELOW 8000 FEET, 205 BELOW 8000
FEET, 207, 290, 291, 292, 293 AND 295, AS WELL AS UTAH FIRE
WEATHER ZONES 486, 487, 490 AND 491... 

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR
COLORADO FIRE WEATHER ZONES 200, 202, 203, 205, 207, 290, 291,
292, 293 AND 295, AS WELL AS UTAH FIRE WEATHER ZONES 486, 487,
490 AND 491... 

.DISCUSSION...
Widespread critical fire weather conditions are expected each day
through at least Friday, if not longer. High-end fire weather 
conditions look possible on Tuesday due to gusts around 35 to 45 
mph, potentially greater in localized areas. There is a low chance
of afternoon showers and thunderstorms over the higher terrain 
today and Tuesday, but wetting rains are not expected. 

...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...


...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
MDT THIS EVENING  FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT TUESDAY
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...

.TODAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and 
                    thunderstorms after 1200. 
Chc of lightning....0 percent. 
Max temperature.....72-82 F. 
Min humidity........11-16%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 15 to 20 mph with gusts to 40 mph in 
                    the afternoon. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph. 
Mixing Height.......500 ft AGL until 0800, then 14000 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph until 1200, then 20 to 
                    30 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.TONIGHT...
Sky/weather.........Mostly clear (20-30%). 
Chc of lightning....0 percent. 
Min temperature.....50-60 F. 
Max humidity........32-42%. 
20-foot winds.......Southwest winds 10 to 15 mph with gusts to 40 
                    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 increasing to 35 to 45 
                    mph after midnight. 
Mixing Height.......11500 ft AGL until 2000, then 1000 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph. 
Smoke dispersal.....Excellent until 2100, then poor. 

.TUESDAY...
Sky/weather.........Partly cloudy (40-50%). 
Chc of lightning....0 percent. 
Max temperature.....72-82 F. 
Min humidity........9-14%. 
20-foot winds.......Southwest winds 20 to 25 mph with gusts to 50 
                    mph. 
CWR.................0 percent. 
15K Ft MSL Winds....Southwest 45 to 55 mph decreasing to 40 to 50 
                    mph in the afternoon. 
Mixing Height.......1000 ft AGL until 0800, then 14000 ft AGL. 
Transport Winds.....Southwest 20 to 25 mph until 1200, then 25 to 
                    35 mph. 
Smoke dispersal.....Poor until 0900, then excellent. 

.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Breezy. Mostly clear. Lows 42-52. Highs 69-79. West
winds 15 to 25 mph with gusts to  50 mph. 
.THURSDAY...Clear. Lows 37-47. Highs 72-82. West winds 10 to
20 mph with gusts to  50 mph. 
.FRIDAY...Clear. Lows 40-50. Highs 76-86. West winds 10 to 20 mph
with gusts to  35 mph. 
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 43-53. Highs 76-86. 
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
42-52. Highs 72-82.