SNAKE − AB JACKSON L AT FLAGG R (FLGW4)
   State:  Wyoming
   County:  Teton
   Latitude:  44 5' 55" North
   Longitude:  110 40' 1" West
   Elevation:  6802 ft

   Supporting NWS Forecast Office: WFO Riverton
   Click for NWS Official River Forecasts for FLGW4
   

   Action Stage:  9 ft
   Flood Stage:  10 ft
   Moderate Flood Stage:  11 ft
Daily Historical Statistics for July 21, 2026
Mean Stage: 3.09 ft  Mean Flow: 619 cfs
Max Stage: 4.57 ft  Max Flow: 1900 cfs (2011)
Min Stage:  2.37 ft   Min Flow: 271 cfs (2007)

Statistics based on water years: 1984-2024
* statistics estimated based on current rating

Record Stage: 10.75 ft
Record Flow: 15000 cfs
Date of Record: June 5, 1996

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

Hydrograph plot for FLGW4

Data Used In Plot   "label   United States Geological Survey   


Hydrograph plot for FLGW4

Data Used In Plot   "label   United States Geological Survey