CLARK FORK − BELOW MISSOULA (BELM8)
   State:  Montana
   County:  Missoula
   Latitude:  46 52' 9" North
   Longitude:  114 7' 32" West
   Elevation:  3084 ft

   Supporting NWS Forecast Office: WFO Missoula

   
Click for NWS Official River Forecasts for BELM8
   


   Action Stage:  
10.5 ft
   Flood Stage:  
11 ft
   Moderate Flood Stage:  
12 ft
   Major Flood Stage:  
13 ft
Daily Historical Statistics for February 20, 2026
Mean Stage: 1.36 ft  Mean Flow: 2550 cfs
Max Stage: 3.35 ft  Max Flow: 7730 cfs (1996)
Min Stage:  0.56 ft   Min Flow: 1150 cfs (1933)

Statistics based on water years: 1930-2025
* statistics estimated based on current rating

Record Stage: 
12.1 ft
Record Flow: 
55100 cfs
Date of Record: 
May 18, 1997

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

Hydrograph plot for BELM8

Data Used In Plot   "label   USGS Observations