914  
FNUS75 KBOI 040740  
FWSBOI  
 
SPOT FORECAST FOR WARM SPRINGS...BOISE NF  
NATIONAL WEATHER SERVICE BOISE ID  
140 AM MDT MON MAY 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON MAY 04.  
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.  
   
..MOSTLY DRY WITH GUSTY WINDS TODAY AND TUESDAY
 
 
   
DISCUSSION
 
 
A DRY NORTHERLY FLOW WILL BRING BREEZY CONDITIONS TO THE REGION  
TODAY AND TUESDAY. DAYTIME HEATING AND INSTABILITY WILL SUPPORT  
CUMULUS BUILDUPS TODAY AND TUESDAY WITH A 10-15% CHANCE OF A  
THUNDERSTORM NEAR THE BURN SITE TODAY. WINDS WILL PICK UP THIS  
AFTERNOON OUT OF THE NORTH, AND REMAIN GUSTY THROUGH MUCH OF  
TONIGHT. AFTER A BRIEF LULL TUESDAY MORNING, THE GUSTY WINDS  
RETURN TUESDAY AFTERNOON. HIGH PRESSURE WILL BUILD OVER THE  
AREA WEDNESDAY KEEPING WARM AND DRY WEATHER IN PLACE THROUGH  
THE END OF THE WEEK.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY IN THE MORNING, BECOMING PARTLY CLOUDY  
IN THE AFTERNOON. A 10% CHANCE OF AN AFTERNOON  
THUNDERSTORM.  
MAX TEMPERATURE.....73 TO 78.  
MIN HUMIDITY........20 TO 25 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 3 TO 5 MPH IN THE MORNING, BECOMING NORTHWEST  
5 TO 9 MPH WITH GUSTS UP TO 16 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
VENTILATION INDEX...900 EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....44 TO 49.  
MAX HUMIDITY........69 TO 74 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 8 TO 13 MPH WITH GUSTS TO AROUND 20 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
VENTILATION INDEX...30 POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY IN THE MORNING, BECOMING PARTLY CLOUDY  
IN THE AFTERNOON.  
MAX TEMPERATURE.....69 TO 74.  
MIN HUMIDITY........22 TO 28 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 6 TO 10 MPH IN THE MORNING, BECOMING  
NORTHWEST 8 TO 13 MPH WITH GUSTS TO 18 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......9000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 20 MPH.  
VENTILATION INDEX...1800 EXCELLENT.  
 

 
FORECASTER...GROENERT  
REQUESTED BY...BROGAN ALEXANDER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612595.0/BOI  
.DELDT 05/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL B1ALEXANDER@BLM.GOV  
 
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