513  
WGUS85 KBOI 262059  
FLSBOI  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE BOISE ID  
259 PM MDT TUE AUG 26 2025  
 
IDC073-270000-  
/O.NEW.KBOI.FA.Y.0006.250826T2059Z-250827T0000Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
OWYHEE ID-  
259 PM MDT TUE AUG 26 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING
 
 
* WHAT...DRY WASHES AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF SOUTHWEST IDAHO NEAR LITTLE JACKS CREEK,  
INCLUDING THE FOLLOWING COUNTY, OWYHEE.  
 
* WHEN...UNTIL 600 PM MDT.  
 
* IMPACTS...RISES IN SMALL STREAMS AND NORMALLY DRY WASHES.  
 
* ADDITIONAL DETAILS...  
- AT 257 PM MDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. THIS WILL CAUSE DRY WASHES AND SMALL STREAM  
FLOODING. BETWEEN 1.5 AND 2.5 INCHES OF RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1 INCH ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
LITTLE JACKS CREEK, BIG HORSE BASIN GAP, CHALK HILLS AND THE  
HAT.  
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY  
WASHES, STREAMS, AND RIVERS CAN BECOME RAGING CURRENTS IN A MATTER  
OF MINUTES, EVEN FROM DISTANT RAINFALL.  
 

 
 
LAT...LON 4287 11589 4285 11584 4276 11593 4256 11626  
4262 11635 4277 11609  
 

 
 
JM  
 
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