583  
FNUS75 KBOI 011248  
FWSBOI  
 
SPOT FORECAST FOR WARM SPRINGS 1-1...BOISE NF  
NATIONAL WEATHER SERVICE BOISE ID  
648 AM MDT FRI MAY 1 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON MAY 01.  
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.  
   
..WARM AND DRY THROUGH THROUGH THE WEEKEND
 
 
   
DISCUSSION
 
 
HIGH PRESSURE ALOFT WILL SUPPORT WARM AND DRY CONDITIONS ALONG  
WITH LIGHT TERRAIN DRIVEN WINDS THROUGH THE WEEKEND. STABLE  
CONDITIONS ALOFT TODAY WILL IMPROVE ON SATURDAY AS TRANSPORT WINDS  
INCREASE OUT OF THE SOUTH. RELATIVE HUMIDITY RECOVERY WILL DROP  
THROUGH SATURDAY, WITH SOME IMPROVEMENT SUNDAY AS MOISTURE AND  
CLOUD COVER INCREASE AHEAD OF AN APPROACHING LOW PRESSURE SYSTEM.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....67 TO 72.  
MIN HUMIDITY........22 TO 27 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTHEAST AROUND 5 MPH IN THE MORNING,  
BECOMING SOUTH 3 TO 6 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
VENTILATION INDEX...225 FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY OVERNIGHT.  
MIN TEMPERATURE.....40 TO 45.  
MAX HUMIDITY........60 TO 66 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......SOUTHWEST 3 TO 5 MPH IN THE EVENING SHIFTING  
TO THE NORTHEAST AROUND 6 MPH OVERNIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
VENTILATION INDEX...15 POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
MAX TEMPERATURE.....73 TO 78.  
MIN HUMIDITY........15 TO 20 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTHEAST AROUND 6 MPH IN THE MORNING  
BECOMING SOUTH 5 TO 8 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......6000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
VENTILATION INDEX...600 GOOD.  
 

 
FORECASTER...GROENERT  
REQUESTED BY...SCHNEIDER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612287.0/BOI  
.DELDT 05/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RICHARD.SCHNEIDER@USDA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab ID Page
The Nexlab OR Page Main Text Page