383  
FNUS75 KBOI 302046  
FWSBOI  
 
SPOT FORECAST FOR HAT FIRE...USFS  
NATIONAL WEATHER SERVICE BOISE ID  
246 PM MDT THU JUL 30 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON JULY 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (208)334-9060, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING FOR DRY/WINDY CONDITIONS...   
..WINDY CONDITIONS CONTINUE THROUGH MONDAY MORNING  
 
   
DISCUSSION  
 
TODAY AND TOMORROW HOT, DRY, AND MILDLY BREEZY CONDITIONS  
CONTINUE. THE FRONTAL PASSAGE THIS WEEKEND WILL BRING WESTERLY  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH AT THE SAME TIME AS  
AFTERNOON RHS DROP TO 10 TO 15%. THIS HAS PROMPTED THE ISSUANCE OF  
A FIRE WEATHER WATCH FOR THE REGION. WHILE WIND CONTINUE GUSTING  
OVERNIGHT, RISING RHS AROUND SUNSET WILL MARK THE END OF THE  
WATCH. SUNDAY THROUGH MONDAY MORNING, WINDS GUSTING 20 TO 25 MPH  
WITH AFTERNOON RHS AROUND 10% CONTINUE TO SIGNAL ELEVATED FIRE  
WEATHER THROUGH EARLY NEXT WEEK. WINDS WEAKEN SOMEWHAT MONDAY  
AFTERNOON.  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....90 TO 95.  
MIN HUMIDITY........11 TO 16 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 3 TO 8 MPH IN THE MORNING SHIFTING TO THE  
SOUTHEAST AND THEN SOUTHWEST 6 TO 10 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......11000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....60 TO 65.  
MAX HUMIDITY........29 TO 34 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST 4 TO 7 MPH. GUSTS UP TO 14 MPH IN THE  
EVENING.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....87 TO 92.  
MIN HUMIDITY........12 TO 18 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST 7 TO 15 MPH WITH GUSTS TO AROUND 22 MPH.  
IN THE EVENING, 11 TO 17 MPH WITH GUSTS 25  
TO 30 MPH.  
MIXING HEIGHT.......8500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
 
 
FORECASTER...MACFARLANE  
REQUESTED BY...MATT BROWN FBAN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618435.6/BOI  
.DELDT 07/31/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATT.BROWN@SCCFD.ORG  
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