058
WWUS85 KBOU 071507
RFWBOU
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
907 AM MDT THU AUG 7 2025
...PROLONGED PERIOD OF CRITICAL FIRE WEATHER CONDITIONS THROUGH
FRIDAY...
.A HOT AND DRY AIRMASS WILL HOLD ACROSS THE AREA THROUGH FRIDAY.
IT WILL BE BREEZY AT TIMES, ESPECIALLY DURING THE AFTERNOON AND
EARLY EVENING HOURS, LEADING TO POTENTIAL FOR RAPID WILDFIRE
SPREAD. RED FLAG WARNINGS ARE IN EFFECT FOR THIS AFTERNOON AND
FRIDAY. SLIGHT RELIEF SHOULD COME THROUGH THE WEEKEND WITH A
GRADUAL COOLING TREND AND WINDS DIMINISHING BY SUNDAY.
COZ211-213-214-217-080200-
/O.UPG.KBOU.FW.A.0012.250808T1800Z-250809T0200Z/
/O.NEW.KBOU.FW.W.0024.250808T1600Z-250809T0200Z/
/O.CON.KBOU.FW.W.0023.250807T1800Z-250808T0200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
CENTRAL AND SOUTHEAST PARK COUNTY-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
907 AM MDT THU AUG 7 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE PARK RANGE AND
MOUNTAIN VALLEYS, FIRE WEATHER ZONES 211, 213, AND 217...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE PARK RANGE AND MOUNTAIN
VALLEYS, FIRE WEATHER ZONES 211, 213, AND 217|...
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN EFFECT
FROM 10 AM TO 8 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONES 211, 213, 214 AND 217.
* TIMING...FOR THE FIRST RED FLAG WARNING, UNTIL 8 PM MDT THIS
EVENING. FOR THE SECOND RED FLAG WARNING, FROM 10 AM TO 8 PM
MDT FRIDAY.
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.
* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.
* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR RAPID FIRE SPREAD.
AVOID OUTDOOR BURNING AND ANY ACTIVITY THAT MAY PRODUCE A
SPARK AND START A WILDFIRE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
COZ212-215-216-218-080200-
/O.UPG.KBOU.FW.A.0012.250808T1800Z-250809T0200Z/
/O.NEW.KBOU.FW.W.0024.250808T1600Z-250809T0200Z/
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
907 AM MDT THU AUG 7 2025
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE MOUNTAINS AND
FOOTHILLS...
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN EFFECT
FROM 10 AM TO 8 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONES 212, 215, 216 AND 218.
* TIMING...FROM 10 AM TO 8 PM MDT FRIDAY.
* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 40 MPH.
* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.
* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR RAPID FIRE SPREAD.
AVOID OUTDOOR BURNING AND ANY ACTIVITY THAT MAY PRODUCE A
SPARK AND START A WILDFIRE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page