794  
WGUS65 KMSO 220337  
FFAMSO  
 
FLOOD WATCH  
NATIONAL WEATHER SERVICE MISSOULA MT  
937 PM MDT MON AUG 21 2023  
 
MTC029-047-053-061-089-220445-  
/O.CAN.KMSO.FA.A.0007.000000T0000Z-230822T0600Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
FLATHEAD-LAKE-LINCOLN-MINERAL-SANDERS-  
937 PM MDT MON AUG 21 2023  
   
..FLOOD WATCH IS CANCELLED
 
 
THE FLASH FLOOD WATCH IS CANCELLED FOR PORTIONS OF NORTHWEST AND  
WEST CENTRAL MONTANA, INCLUDING THE FOLLOWING AREAS, IN NORTHWEST  
MONTANA, FLATHEAD, LAKE, LINCOLN AND SANDERS. IN WEST CENTRAL  
MONTANA, MINERAL.  
 
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO  
HEED REMAINING ROAD CLOSURES.  
 

 
 
IDZ005>008-230345-  
/O.CON.KMSO.FA.A.0007.000000T0000Z-230823T0600Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-  
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-  
837 PM PDT MON AUG 21 2023  
   
..FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...PORTIONS OF CENTRAL AND NORTH CENTRAL IDAHO, INCLUDING THE  
FOLLOWING AREAS, IN CENTRAL IDAHO, LOWER HELLS CANYON/SALMON RIVER  
REGION, OROFINO/GRANGEVILLE REGION AND SOUTHERN CLEARWATER  
MOUNTAINS. IN NORTH CENTRAL IDAHO, NORTHERN CLEARWATER MOUNTAINS.  
 
THIS INCLUDES THE FOLLOWING SPECIFIC AREAS...  
GRANGEVILLE, HIGHWAY 95 FROM RIGGINS TO WHITEBIRD, RIGGINS, SHEPP  
RANCH NEAR THE SALMON RIVER, INDIAN CREEK NEAR THE SALMON RIVER,  
MACKAY BAR NEAR THE SALMON RIVER, CHINA BAR, HIGHWAY 95 NORTH OF  
RIGGINS AND WILLIAMS CREEK FIRE BURN AREA.  
 
* WHEN...THROUGH TUESDAY EVENING.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. FLOODING MAY OCCUR  
IN POOR DRAINAGE AND URBAN AREAS. LOW-WATER CROSSINGS MAY BE  
FLOODED.  
 
* ADDITIONAL DETAILS...  
- HTTPS://WWW.WEATHER.GOV/MSO/HYDROLOGY  
 

 
 
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