605  
WGUS85 KMSO 120319  
FLSMSO  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE MISSOULA MT  
919 PM MDT THU SEP 11 2025  
 
IDC049-120615-  
/O.NEW.KMSO.FA.Y.0017.250912T0319Z-250912T0615Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
IDAHO ID-  
919 PM MDT THU SEP 11 2025 /819 PM PDT THU SEP 11 2025/  
   
..FLOOD ADVISORY IN EFFECT UNTIL 1215 AM MDT /1115 PM PDT/ FRIDAY
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF CENTRAL IDAHO, INCLUDING THE FOLLOWING  
COUNTY, IDAHO.  
 
IDAHO STATE HIGHWAY 13 BETWEEN KOOSKIA AND STITES.  
 
* WHEN...UNTIL 1215 AM MDT /1115 PM PDT/.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
OVERFLOWING POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 918 PM MDT /818 PM PDT/, DOPPLER RADAR INDICATED HEAVY  
RAIN DUE TO THUNDERSTORMS. MINOR FLOODING IS ONGOING OR  
EXPECTED TO BEGIN SHORTLY IN THE ADVISORY AREA. BETWEEN 0.7  
AND 1.2 INCHES OF RAIN HAVE FALLEN.  
- IDAHO STATE HIGHWAY 13 BETWEEN KOOSKIA AND STITES.  
- HTTPS://WWW.WEATHER.GOV/MSO/HYDROLOGY  
 
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.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
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 4613 11592 4609 11596 4605 11609 4608 11611  
4613 11604 4615 11602 4617 11589  
 

 
 
AL  
 
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