LEMHI − NEAR LEMHI (LERI1)
   State:  Idaho
   County:  Lemhi
   Latitude:  44 56' 24" North
   Longitude:  113 38' 16" West
   Elevation:  4960 ft

   Supporting NWS Forecast Office: WFO Missoula

   
Click for NWS Official River Forecasts for LERI1

   Action Stage:  
6 ft
   Flood Stage:  
6.5 ft
   Moderate Flood Stage:  
8.5 ft
   Major Flood Stage:  
10 ft
Daily Historical Statistics for May 16, 2025
Mean Stage: 4.20 ft  Mean Flow: 286 cfs
Max Stage: 6.67 ft  Max Flow: 1600 cfs (1984)
Min Stage:  3.49 ft   Min Flow: 88 cfs (1961)

Statistics based on water years: 1939-2023
* statistics estimated based on current rating

Record Stage: 
7.19 ft
Record Flow: 
2430 cfs
Date of Record: 
June 21, 1984

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

Hydrograph plot for LERI1


For Data Used In Plot   "label