BIG WOOD − BELOW MAGIC DAM NEAR RICHFIELD (BWMI1)
   State:  Idaho
   County:  Blaine
   Latitude:  43 14' 53" North
   Longitude:  114 21' 24" West
   Elevation:  4662 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for BWMI1
   


   Action Stage:  
8.5 ft
   Flood Stage:  
9 ft
Daily Historical Statistics for March 13, 2026
Mean Stage: 3.04 ft  Mean Flow: 174 cfs
Max Stage: 7.28 ft  Max Flow: 3110 cfs (1986)
Min Stage:  1.68 ft   Min Flow: 1 cfs (2002)

Statistics based on water years: 1913-2025
* statistics estimated based on current rating

Record Stage: 
15.68 ft

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

Hydrograph plot for BWMI1

Data Used In Plot   "label   USGS Observations