590  
FNUS75 KBOI 291132  
FWSBOI  
 
SPOT FORECAST FOR JARBIDGE TUMBLEWEED RX...USWFS  
NATIONAL WEATHER SERVICE BOISE ID  
532 AM MDT WED APR 29 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON APRIL 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.  
   
..LOW CHANCE OF SHOWERS TODAY AND TOMORROW  
   
..GRADUAL WARMING WITH GUSTS THROUGH THE WEEKEND  
 
   
DISCUSSION  
 
10-20% CHANCE OF PRECIPITATION IN SHOWERS ALONG THE NEVADA  
BORDER. THESE SHOWERS WILL GENERALLY LAST AFTERNOON THROUGH THE  
EVENING TODAY AND TOMORROW. STRONGER SHOWERS WILL PRODUCE LOCALLY  
STRONG WIND GUSTS AND STRAY LIGHTNING IS POSSIBLE. TEMPERATURES  
CONTINUE TO CLIMB THROUGH THE WEEKEND. ANOTHER SYSTEM APPROACHES  
SUNDAY, CAUSING PRECIPITATION AND THUNDERSTORM CHANCES TO RISE  
AGAIN, ESPECIALLY BY MONDAY AND TUESDAY NEXT WEEK. WIND GUSTS NEAR  
THE HIGHLANDS GUST TO 20 MPH EACH AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY.  
MAX TEMPERATURE.....61 TO 66.  
MIN HUMIDITY........30 TO 35 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......SOUTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING TO  
THE NORTH 6 TO 10 MPH WITH GUSTS TO AROUND 18  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
VENTILATION INDEX...1425 EXCELLENT.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....34 TO 39.  
MAX HUMIDITY........84 TO 89 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST 4 TO 10 MPH. GUSTS UP TO 18 MPH IN THE  
EVENING.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
VENTILATION INDEX...20 POOR.  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....63 TO 68.  
MIN HUMIDITY........28 TO 33 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......EAST 6 TO 12 MPH. GUSTS UP TO 22 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.  
VENTILATION INDEX...1900 EXCELLENT.  
 
 
FORECASTER...MACFARLANE  
REQUESTED BY...MATT GOODRICH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2611927.0/BOI  
.DELDT 04/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MGOODRICH@BLM.GOV  
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