558
WWUS85 KBOU 132320
RFWBOU
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
520 PM MDT FRI MAR 13 2026
COZ238>251-140200-
/O.CON.KBOU.FW.W.0020.000000T0000Z-260314T0200Z/
/O.CON.KBOU.FW.W.0021.260314T1700Z-260315T0300Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
520 PM MDT FRI MAR 13 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND
PLAINS...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN
CORRIDOR AND PLAINS...
* AFFECTED AREA...FIRE WEATHER ZONES 238, 239, 240, 241, 242,
243, 244, 245, 246, 247, 248, 249, 250 AND 251.
* TIMING...FOR THE FIRST RED FLAG WARNING, UNTIL 8 PM MDT THIS
EVENING. FOR THE SECOND RED FLAG WARNING, FROM 11 AM TO 9 PM
MDT SATURDAY.
* WINDS...TODAY, WEST WINDS 15 TO 25 MPH WITH GUSTS 25 TO 35 MPH.
ON SATURDAY, WEST WINDS 20 TO 30 MPH WITH GUSTS 35 TO 60 MPH,
STRONGEST WEST OF I-25.
* RELATIVE HUMIDITY...TODAY, 12 TO 17 PERCENT. ON SATURDAY, 8 TO
15 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.
RODRIGUEZ
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page