527  
FNUS75 KBOI 041445  
FWSBOI  
 
SPOT FORECAST FOR WEST LOWMAN CC9...USFS LOWMAN  
NATIONAL WEATHER SERVICE BOISE ID  
845 AM MDT MON MAY 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 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.  
   
..WARM, DRY, AND BREEZY TODAY AND TOMORROW
 
   
..ISOLATED PM SHOWERS AND THUNDERSTORMS
 
 
   
DISCUSSION
 
 
WARM, DRY, AND UNSTABLE CONDITIONS WILL OCCUR TODAY AND TOMORROW.  
NORTHERLY WINDS WILL INCREASE TONIGHT, ESPECIALLY ON RIDGETOPS.  
LIMITED MOISTURE WILL BRING A LOW CHANCE (10-20%) OF AFTERNOON-  
EVENING VIRGA SHOWERS AND THUNDERSTORMS NEAR THE BURN AREA TODAY  
AND TOMORROW. GUSTY OUTFLOWS UP TO 35 MPH AND LIGHTNING WILL BE  
THE PRIMARY HAZARDS, WITH LIMITED PRECIPITATION EXPECTED.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....64 TO 75.  
MIN HUMIDITY........15 TO 20 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST TO NORTHWEST 3 TO 7 MPH.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
VENTILATION INDEX...950 EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....40 TO 45.  
MAX HUMIDITY........66 TO 71 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH TO NORTHEAST 6 TO 12 MPH WITH GUSTS TO  
AROUND 25 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.  
VENTILATION INDEX...30 POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....59 TO 70.  
MIN HUMIDITY........17 TO 22 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTHEAST 7 TO 11 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 20 MPH.  
VENTILATION INDEX...1900 EXCELLENT.  
 

 
FORECASTER...ADAMS  
REQUESTED BY...FUELS TECH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612634.0/BOI  
.DELDT 05/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL HIRAM.ROOPER@USDA.GOV  
 
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