173  
FNUS21 KWNS 240656  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0156 AM CDT FRI JUL 24 2026  
 
VALID 241200Z - 251200Z  
 
...CRITICAL FIRE WEATHER AREA FOR NORTHEASTERN  
CALIFORNIA...NORTHWESTERN NEVADA...AND SOUTH-CENTRAL/SOUTHEASTERN  
OREGON...  
   
..SYNOPSIS  
 
AS AN UPPER-LEVEL TROUGH APPROACHES THE PACIFIC NORTHWEST COAST  
TODAY, A SERIES OF DISTURBANCES CRESTING THE UPPER-LEVEL RIDGE OVER  
THE WEST WILL RESULT IN INCREASED FLOW ALOFT FROM THE PACIFIC  
NORTHWEST INTO THE NORTHERN PLAINS. GIVEN THE HOT AND DRY AIRMASS IN  
PLACE OVER MUCH OF THE REGION, DEEP BOUNDARY-LAYER MIXING WILL  
PROMOTE GUSTY SURFACE WINDS RAISING FIRE-WEATHER CONCERNS IN AN  
INCREASINGLY FAVORABLE FUELSCAPE.  
   
..NORTHEASTERN CALIFORNIA  
NORTHWESTERN  
NEVADA...SOUTH-CENTRAL/SOUTHEASTERN OREGON...  
VERY HOT AND DRY CONDITIONS WILL RESULT IN MULTIPLE HOURS OF  
SINGLE-DIGIT RH VALUES ACROSS THE REGION. WITH ENHANCED  
SOUTHWESTERLY FLOW ALOFT BRUSHING THE AREA, DEEP VERTICAL MIXING  
WILL RESULT IN WEST-SOUTHWESTERLY SURFACE WINDS APPROACHING 20 MPH.  
GIVEN THE DRY FUELS (ERC VALUES EXCEEDING THE 80TH PERCENTILE) AND  
RECENT LIGHTNING EVENTS WITH LIMITED RAINFALL, CRITICAL FIRE WEATHER  
CONDITIONS ARE LIKELY.  
   
..NORTHERN MONTANA  
 
VERY STRONG WINDS ALOFT AND A DEEP, WELL-MIXED BOUNDARY LAYER WILL  
RESULT IN SUSTAINED AFTERNOON WESTERLY SURFACE WINDS APPROACHING 20  
MPH IN THE PRESENCE OF RH VALUES DIPPING JUST BELOW 15%. THESE  
ELEVATED CONDITIONS WILL CURE THE FUELS FOR THE COMING DAYS.  
 
..JIRAK.. 07/24/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT  
 
 
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