KOOTENAI − BELOW LIBBY DAM (KBDM8)
   State:  Montana
   County:  Lincoln
   Latitude:  48 24' 2" North
   Longitude:  115 19' 10" West
   Elevation:  2100 ft

   Supporting NWS Forecast Office: WFO Missoula

   
Click for NWS Official River Forecasts for KBDM8
   


   Flood Stage:  
27.5 ft
Daily Historical Statistics for May 13, 2026
Mean Stage: 19.49 ft  Mean Flow: 7990 cfs
Max Stage: 23.60 ft  Max Flow: 24400 cfs (2013)
Min Stage:  16.92 ft   Min Flow: 2600 cfs (1973)

Statistics based on water years: 1972-2024
* statistics estimated based on current rating

Record Stage: 
28.5 ft
Record Flow: 
54000 cfs
Date of Record: 
June 18, 2006

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for KBDM8

Data Used In Plot   "label   USACE Observations   USACE Map   


Hydrograph plot for KBDM8

Data Used In Plot   "label   USACE Observations   USACE Map