COZ205-260000-
COZ205-260000-
Colorado River Headwaters-
146 AM MDT Thu Jun 25 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
146 AM MDT Thu Jun 25 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE WEATHER
ZONES 200, 202, 203 BELOW 8000 FEET, 207 AND 290...
...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO MIDNIGHT MDT
SATURDAY NIGHT FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR UTAH
FIRE WEATHER ZONES 486, 487, 490 AND 491...
...FIRE WEATHER WATCH IN EFFECT SATURDAY MORNING THROUGH SATURDAY
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 200, 201, 202, 203, 205, 207, 290, 291, 292,
293, 294 AND 295...
.DISCUSSION...Increasing moisture will suppress critical fire
weather conditions today. An increase in showers and thunderstorms
this afternoon could lead to new fire starts. Hot, dry, windy
conditions return to eastern UT and western CO Friday with
widespread critical fire weather expected through the weekend.
Poor recovery in relative humidity will keep critical fire weather
conditions in place across eastern UT Friday night through
Saturday. Surface winds will pick up considerably Saturday,
encouraging extreme fire behavior across eastern UT and western CO.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...
.TODAY...
Sky/weather.........Mostly cloudy (70-80%). Patchy smoke. Numerous
showers and isolated thunderstorms until
1200, scattered showers and thunderstorms after
1200.
Chc of lightning....50 percent.
Max temperature.....67-77 F.
Min humidity........31-41%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....West 20 to 30 mph decreasing to 20 to 25 mph in
the afternoon.
Mixing Height.......8000 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Patchy smoke. Scattered
thunderstorms until 2400. Scattered showers.
Chc of lightning....50 percent.
Min temperature.....45-55 F.
Max humidity........65-80%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................30 percent.
15K Ft MSL Winds....West 20 to 25 mph.
Mixing Height.......5500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy (40-50%). Patchy smoke. Isolated
showers until 1200, scattered showers and
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....72-82 F.
Min humidity........19-29%.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph with gusts to 35 mph in
the afternoon.
CWR.................20 percent.
15K Ft MSL Winds....West 20 to 25 mph increasing to southwest 20 to
30 mph in the afternoon.
Mixing Height.......1500 ft AGL until 0900. 12500 ft AGL after
1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 20 to 25
mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SATURDAY...Breezy. Mostly clear. Isolated showers and
thunderstorms. Lows 46-56. Highs 72-82. Southwest winds 15 to
25 mph with gusts to 50 mph.
.SUNDAY...Breezy, clear. Lows 46-56. Highs 71-81. Southwest winds
15 to 25 mph with gusts to 55 mph.
.MONDAY...Clear. Lows 41-51. Highs 69-79. Southwest winds 10 to
20 mph with gusts to 50 mph.
.TUESDAY...Clear. Lows 40-50. Highs 72-82.
.WEDNESDAY...Clear. Lows 41-51. Highs 74-84.
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