418  
WGUS65 KBOI 131511  
FFABOI  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE BOISE ID  
911 AM MDT THU AUG 13 2026  
 
IDZ013-142100-  
/O.NEW.KBOI.FF.A.0004.260814T1800Z-260815T0300Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
BOISE MOUNTAINS-  
INCLUDING THE CITIES OF ANDERSON DAM, PRAIRIE, AND PINE  
911 AM MDT THU AUG 13 2026  
 
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA IN EFFECT FROM FRIDAY  
AFTERNOON THROUGH FRIDAY EVENING...  
 
* WHAT...FLASH FLOODING AND DEBRIS FLOWS CAUSED BY EXCESSIVE RAINFALL  
ARE POSSIBLE OVER THE WAPITI BURN AREA.  
 
* WHERE...A PORTION OF SOUTHWEST IDAHO, INCLUDING THE FOLLOWING AREA,  
BOISE MOUNTAINS.  
 
* WHEN...FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING.  
 
* IMPACTS...HEAVY RAINFALL OVER THE WAPITI BURN AREA IS EXPECTED UP  
TO AND DURING THE PERIOD OF THE WATCH. RESIDENTS NEAR THE WAPITI  
BURN AREA SHOULD PREPARE FOR POTENTIAL DEBRIS FLOW. BE SURE TO STAY  
UP TO DATE WITH INFORMATION FROM LOCAL AUTHORITIES. HEAVY RAINFALL  
COULD TRIGGER FLASH FLOODING OR DEBRIS FLOWS IN AND NEAR RECENT  
WILDFIRE BURN SCARS.  
 
* ADDITIONAL DETAILS...  
- NATIONAL WEATHER SERVICE METEOROLOGISTS ARE FORECASTING HEAVY  
RAINFALL OVER THE WAPITI BURN AREA, WHICH MAY LEAD TO FLASH  
FLOODING AND DEBRIS FLOWS.  
- SOME LOCATIONS THAT MAY EXPERIENCE FLASH FLOODING INCLUDE...  
GRANDJEAN.  
- 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.  
 
LOCAL EMERGENCY SERVICES ARE MONITORING THE SITUATION AND WILL ISSUE  
A PUBLIC STATEMENT AS CONDITIONS WARRANT. PLAN NOW SO YOU WILL KNOW  
WHAT TO DO IN AN EMERGENCY. KEEP INFORMED BY LISTENING TO LOCAL RADIO  
AND TELEVISION FOR STATEMENTS AND POSSIBLE WARNINGS. FOLLOW THE  
ADVICE OF PUBLIC SAFETY OFFICIALS.  
 
 
 
 
 
JDS  
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