
Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains this evening. Heavy to excessive rainfall may bring a flooding threat from the Great Lakes to the Mid-South through tonight. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >
COZ205-091915-
COZ205-091915-
Colorado River Headwaters-
914 PM MDT Mon Jun 8 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah...UPDATED
National Weather Service Grand Junction CO
914 PM MDT Mon Jun 8 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM UNTIL 10 PM MDT TUESDAY
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, 294 AND 295, AS WELL AS UTAH FIRE
WEATHER ZONES 486, 487, 490 AND 491...
...RED FLAG WARNING IN EFFECT WEDNESDAY MORNING THROUGH WEDNESDAY
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, 294 AND 295, AS WELL AS UTAH FIRE
WEATHER ZONES 486, 487, 490 AND 491...
...FIRE WEATHER WATCH IN EFFECT THURSDAY MORNING THROUGH THURSDAY
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 201, 205, 207, 291, 292, 293, 294 AND 295...
.DISCUSSION...Hot, dry, windy conditions can be expected to
persist as we head into the weekend. Strong wind gusts to near
50 mph will impact much of the region on Tuesday, amplifying
widespread red flag conditions. Showers and thunderstorms are
possible over portions of the area early tomorrow through early
Wednesday but wetting rains are not likely. Winds diminish some
Thursday and beyond, but critical fire weather conditions are
possible over portions of western Colorado.
...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 TO 10 PM MDT TUESDAY
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
.REST OF TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........30-40%.
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....Southwest 30 to 40 mph.
Mixing Height.......500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....73-83 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 13500 ft AGL.
Transport Winds.....Southwest 20 to 25 mph until 1200, then 30 to
40 mph.
Smoke dispersal.....Poor until 0900, then excellent.
.TUESDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....43-53 F.
Max humidity........44-54%.
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.................0 percent.
15K Ft MSL Winds....West 40 to 50 mph.
Mixing Height.......11500 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....West 15 to 20 mph until 2400, then 5 to 10 mph.
Smoke dispersal.....Excellent until 2100, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....70-80 F.
Min humidity........10-15%.
20-foot winds.......Southwest winds 10 to 15 mph increasing to west
20 to 25 mph in the afternoon. Localized gusts
up to 50 mph.
CWR.................0 percent.
15K Ft MSL Winds....West 35 to 45 mph.
Mixing Height.......1000 ft AGL until 0800, then 10500 ft AGL.
Transport Winds.....Southwest 10 to 15 mph until 1200, then west 20
to 30 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Clear. Lows 36-46. Highs 70-80. West winds 10 to
20 mph with gusts to 50 mph.
.FRIDAY...Clear. Lows 39-49. Highs 74-84. West winds 10 to 20 mph
with gusts to 35 mph.
.SATURDAY...Clear. Lows 44-54. Highs 74-84. West winds 10 to
20 mph with gusts to 35 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
43-53. Highs 71-81.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 68-78.