340  
FNUS75 KBOI 292017  
FWSBOI  
 
SPOT FORECAST FOR HAT FIRE...USFS  
NATIONAL WEATHER SERVICE BOISE ID  
217 PM MDT WED JUL 29 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON JULY 29.  
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.  
   
..HOT, DRY, AND BREEZY THROUGH FRIDAY  
   
..GUSTY WINDS WITH DRY FRONTAL PASSAGE THIS WEEKEND  
 
   
DISCUSSION  
 
HOT, DRY, AND BREEZY CONDITIONS REMAIN THROUGH FRIDAY. SATURDAY A  
DRY COLD FRONT WILL BRING GUSTY WINDS TO THE AREA. SATURDAY  
AFTERNOON AND EVENING, WIND GUSTS 25 TO 30 MPH ARE POSSIBLE, WITH  
20 MPH GUSTS CONTINUING THROUGH MONDAY MORNING. EVEN THOUGH THERE  
IS A 5 TO 10 DEGREE COOLDOWN WITH THE FRONT, RHS DIVE WITH THE  
TEMPS FROM 15% MINIMUM RH ON SATURDAY TO 10% ON SUNDAY. BEST  
OVERNIGHT RH RECOVERY WILL BE SUNDAY MORNING, FOLLOWING THE PEAK  
WINDS.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....56 TO 62.  
MAX HUMIDITY........46 TO 54 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST 6 TO 10 MPH, AFTER SUNSET VARIABLE 3 TO 6  
MPH, EARLY TOMORROW MORNING 7 TO 12 MPH WITH  
GUSTS UP TO 17 MPH.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....87 TO 92.  
MIN HUMIDITY........15 TO 20 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST-NORTHWEST 6 TO 12 MPH.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....56 TO 62.  
MAX HUMIDITY........39 TO 45 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTHWEST 3 TO 9 MPH AND GUSTS UP TO 14 MPH IN  
THE EVENING. OVERNIGHT VARIABLE 4 TO 7 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
 
 
FORECASTER...MACFARLANE  
REQUESTED BY...MATT BROWN FBAN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618435.4/BOI  
.DELDT 07/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATT.BROWN@SCCFD.ORG  
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