325  
FNUS75 KBOI 051135  
FWSBOI  
 
SPOT FORECAST FOR WEST LOWMAN CC9...USFS LOWMAN  
NATIONAL WEATHER SERVICE BOISE ID  
535 AM MDT TUE MAY 5 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0610 MDT ON MAY 05.  
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.  
   
..BREEZY AND DRY
 
   
..A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON
 
 
   
DISCUSSION
 
 
NORTHERLY FLOW WILL BRING BREEZY CONDITIONS TO THE REGION  
TODAY. DAYTIME HEATING AND INSTABILITY WILL SUPPORT  
CUMULUS BUILDUPS THIS AFTERNOON WITH A 20% CHANCE OF A  
THUNDERSTORM NEAR THE BURN SITE TODAY. HIGH PRESSURE  
WILL BUILD OVER THE AREA WEDNESDAY KEEPING WARM AND DRY WEATHER  
IN PLACE THROUGH THE END OF THE WEEK.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY IN THE MORNING, BECOMING PARTLY CLOUDY  
IN THE AFTERNOON. A 20% CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON WHICH COULD PRODUCE GUSTY WINDS.  
MAX TEMPERATURE.....60 TO 71.  
MIN HUMIDITY........19 TO 25 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 6 TO 12 MPH. GUSTS UP TO 22 MPH IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS POSSIBLE  
FROM THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......9000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 20 MPH.  
VENTILATION INDEX...1800 EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....34 TO 39.  
MAX HUMIDITY........50 TO 60 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 7 TO 13 MPH BECOMING NORTHEAST  
3 TO 5 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
VENTILATION INDEX...10 POOR.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....58 TO 68.  
MIN HUMIDITY........18 TO 24 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......SOUTHWEST 5 TO 9 MPH IN THE MORNING  
BECOMING NORTHWEST IN THE AFTERNOON.  
GUSTS UP TO 14 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
VENTILATION INDEX...700 EXCELLENT.  
 

 
FORECASTER...ANDERSON  
REQUESTED BY...FUELS TECH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612634.1/BOI  
.DELDT 05/05/26  
.FORMATTERVERSION 2.0.0  
.EMAIL HIRAM.ROOPER@USDA.GOV  
 
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