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 July 11, 2025
Mean Stage: 4.27 ft  Mean Flow: 300 cfs
Max Stage: 6.04 ft  Max Flow: 1210 cfs (1995)
Min Stage:  3.27 ft   Min Flow: 58 cfs (1988)

Statistics based on water years: 1955-2024
* 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