HENRYS FORK − AT REXBURG (REXI1)
   State:  Idaho
   County:  Madison
   Latitude:  43 49' 32" North
   Longitude:  111 54' 18" West
   Elevation:  4806 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for REXI1
   


   Action Stage:  
9 ft
   Flood Stage:  
9.5 ft
   Moderate Flood Stage:  
11.5 ft
   Major Flood Stage:  
13 ft
Daily Historical Statistics for March 01, 2026
Mean Stage: 4.44 ft  Mean Flow: 1760 cfs
Max Stage: 6.45 ft  Max Flow: 3210 cfs (1957)
Min Stage:  2.53 ft   Min Flow: 534 cfs (1934)

Statistics based on water years: 1910-2024
* statistics estimated based on current rating

Record Stage: 
12.05 ft
Record Flow: 
79000 cfs
Date of Record: 
June 5, 1976

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

Hydrograph plot for REXI1

Data Used In Plot   "label   USBR Observations   


Hydrograph plot for REXI1

Data Used In Plot   "label   USBR Observations