060  
WWUS85 KBOU 070757  
RFWBOU  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
157 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 NOW IN EFFECT FOR THIS AFTERNOON,  
WITH A FIRE WEATHER WATCH IN EFFECT FOR FRIDAY. SLIGHT RELIEF  
SHOULD COME THROUGH THE WEEKEND WITH A GRADUAL COOLING TREND AND  
WINDS DIMINISHING BY SUNDAY.  
 
COZ211-213-214-217-072100-  
/O.CON.KBOU.FW.W.0023.250807T1800Z-250808T0200Z/  
/O.CON.KBOU.FW.A.0012.250808T1800Z-250809T0200Z/  
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-  
157 AM MDT THU AUG 7 2025  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT  
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE PARK  
RANGE, MIDDLE PARK, AND NORTH PARK...FIRE WEATHER ZONES 211, 213,  
AND 217...  
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON  
THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
 
* AFFECTED AREA...FIRE WEATHER ZONES 211, 213, 214 AND 217.  
 
* TIMING...FOR THE RED FLAG WARNING, FROM NOON TODAY TO 8 PM MDT  
THIS EVENING. FOR THE FIRE WEATHER WATCH, FROM FRIDAY  
AFTERNOON THROUGH FRIDAY EVENING.  
 
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 13 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.  
 
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE  
RED FLAG WARNINGS.  
 

 
 

 
 
COZ212-215-216-218-072100-  
/O.CON.KBOU.FW.A.0012.250808T1800Z-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-  
157 AM MDT THU AUG 7 2025  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON  
THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE  
CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS...FIRE ZONES 212,  
215, AND 216...  
 
* AFFECTED AREA...FIRE WEATHER ZONES 212, 215, 216 AND 218.  
 
* TIMING...FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING.  
 
* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 40 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 12 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 FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE  
RED FLAG WARNINGS.  
 

 
 

 
 
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