362  
WGUS85 KBOI 271010  
FLSBOI  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE BOISE ID  
410 AM MDT WED AUG 27 2025  
 
IDC001-027-073-271315-  
/O.NEW.KBOI.FA.Y.0007.250827T1010Z-250827T1315Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
ADA ID-CANYON ID-OWYHEE ID-  
410 AM MDT WED AUG 27 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 715 AM MDT THIS MORNING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF SOUTHWEST IDAHO, INCLUDING THE FOLLOWING  
COUNTIES, ADA, CANYON AND OWYHEE.  
 
* WHEN...UNTIL 715 AM MDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
WATER OVER ROADWAYS INCLUDING HIGHWAY 78.  
 
* ADDITIONAL DETAILS...  
- AT 406 AM MDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
MELBA, WALTERS FERRY, GUFFEY, INITIAL POINT AND GIVENS HOT  
SPRINGS.  
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE  
DANGERS OF FLOODING.  
 

 
 
LAT...LON 4347 11656 4343 11639 4333 11628 4324 11658  
4345 11674  
 

 
 
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