579  
WGUS65 KBOI 012044  
FFABOI  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE BOISE ID  
244 PM MDT WED OCT 1 2025  
 
.A BAND OF HEAVY RAINFALL WILL IMPACT THE BURN SCARS IN THE BOISE  
AND WEST CENTRAL MOUNTAINS. THIS ON TOP OF RECENT HEAVY RAINFALL  
WILL LEAD TO AN INCREASED RISK OF DEBRIS FLOWS NEAR BURN SCARS AND  
STEEP DRAINAGES.  
 
IDZ011-013-021245-  
/O.NEW.KBOI.FF.A.0008.251003T0000Z-251003T2100Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-  
INCLUDING THE CITIES OF BEAR, OLA, CASCADE, CUPRUM, PRAIRIE,  
MCCALL, PINE, ANDERSON DAM, BIG CREEK, AND WARM LAKE  
244 PM MDT WED OCT 1 2025  
 
...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY  
AFTERNOON...  
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE  
WITH ADDITIONAL AMOUNTS OF 1-1.5 INCHES POSSIBLE BY FRIDAY EVENING.  
 
* WHERE...A PORTION OF SOUTHWEST IDAHO, INCLUDING THE FOLLOWING  
AREAS, BOISE MOUNTAINS AND WEST CENTRAL MOUNTAINS.  
 
* WHEN...FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON.  
 
* IMPACTS...HEAVY RAINFALL COULD TRIGGER FLASH FLOODING, ESPECIALLY  
NEAR BURN SCARS.  
 
* ADDITIONAL DETAILS...  
- HEAVY RAINFALL IS EXPECTED, WHICH MAY LEAD TO FLASH FLOODING  
AND DEBRIS FLOWS NEAR BURN SCARS.  
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 
 
 
 
 
NF  
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