380  
WWUS85 KBOI 251359  
RFWBOI  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
759 AM MDT MON MAY 25 2026  
   
..DRY WITH GUSTY RANGELAND WINDS AHEAD OF COLD FRONT  
 
CONTINUED WARM AND VERY DRY CONDITIONS AHEAD OF A COLD FRONT ON  
THE AFTERNOON AND EVENING OF MEMORIAL DAY COULD CREATE A CRITICAL  
FIRE WEATHER PATTERN AS PRE-FRONTAL WINDS INCREASE. FOLLOWING  
CONDITIONS TOMORROW WE WILL SEE GOOD RH RECOVERY OVERNIGHT WITH A  
30-40% CHANCE OF WETTING RAINS THROUGH THE REST OF THE WEEK.  
 
ORZ672-260300-  
/O.UPG.KBOI.FW.A.0001.260525T2100Z-260526T0300Z/  
/O.NEW.KBOI.FW.W.0001.260525T2100Z-260526T0300Z/  
SOUTHERN GRASSLANDS-  
659 AM PDT MON MAY 25 2026  
 
...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM  
PDT THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITIES FOR  
SOUTHERN GRASSLANDS...WHICH IS FIRE WEATHER ZONE 672...  
 
THE NATIONAL WEATHER SERVICE IN BOISE HAS UPGRADED THE FIRE  
WEATHER WATCH TO A RED FLAG WARNING FOR WINDS AND LOW RELATIVE  
HUMIDITIES, WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM  
PDT THIS EVENING.  
 
* AFFECTED AREA...IN OREGON, FIRE WEATHER ZONE 672 SOUTHERN  
GRASSLANDS.  
 
* TIMING...FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING.  
 
* WINDS...SOUTHWEST 20 TO 25 MPH WITH GUSTS UP TO 45 MPH.  
 
* RELATIVE HUMIDITY...11 TO 15 PERCENT.  
 
* TEMPERATURES...80 TO 88 DEGREES.  
 
* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD  
QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL OCCUR SHORTLY.  
 
 
 
 
 
ORZ670-260300-  
/O.UPG.KBOI.FW.A.0001.260525T2100Z-260526T0300Z/  
/O.NEW.KBOI.FW.W.0001.260525T2100Z-260526T0300Z/  
BURNS BLM-  
659 AM PDT MON MAY 25 2026  
 
...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM  
PDT THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITIES FOR BURNS  
BLM...WHICH IS FIRE WEATHER ZONE 670...  
 
THE NATIONAL WEATHER SERVICE IN BOISE HAS UPGRADED THE FIRE  
WEATHER WATCH TO A RED FLAG WARNING FOR WINDS AND LOW RELATIVE  
HUMIDITIES, WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM  
PDT THIS EVENING.  
 
* AFFECTED AREA...IN OREGON, FIRE WEATHER ZONE 670 BURNS BLM.  
 
* TIMING...FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING.  
 
* WINDS...SOUTHWEST 25 TO 30 MPH WITH GUSTS UP TO 45 MPH.  
 
* RELATIVE HUMIDITY...11 TO 16 PERCENT.  
 
* TEMPERATURES...77 TO 83 DEGREES.  
 
* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD  
QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL OCCUR SHORTLY.  
 
 
 
 
 
W  
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