567  
WGUS85 KMSO 280132  
FLSMSO  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE MISSOULA MT  
732 PM MDT WED AUG 27 2025  
 
IDC059-280430-  
/O.NEW.KMSO.FA.Y.0012.250828T0132Z-250828T0430Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
LEMHI ID-  
732 PM MDT WED AUG 27 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 1030 PM MDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF EAST CENTRAL IDAHO, INCLUDING THE FOLLOWING  
COUNTY, LEMHI.  
 
* WHEN...UNTIL 1030 PM MDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
OVERFLOWING POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 732 PM MDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA. BETWEEN 0.1 AND 0.3 INCHES OF  
RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS OF 0.1 TO 0.3 INCHES ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- HTTPS://WWW.WEATHER.GOV/MSO/HYDROLOGY  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
MOVE AWAY FROM RECENTLY BURNED AREAS. DANGEROUS FLOODING OF CREEKS,  
ROADS AND STREAM CROSSINGS IS POSSIBLE. THE HEAVY RAINS COULD  
TRIGGER ROCKSLIDES, MUDSLIDES AND DEBRIS FLOWS IN STEEP TERRAIN,  
ESPECIALLY IN AND AROUND THESE AREAS.  
 
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE  
YOU ARE RELATIVE TO STREAMS, RIVERS, OR CREEKS WHICH CAN BECOME  
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR  
CREEKS.  
 
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW  
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL  
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.  
 

 
 
LAT...LON 4530 11414 4527 11417 4525 11424 4538 11430  
4543 11405 4541 11399 4535 11401  
 

 
 
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