NF SNOQUALMIE − NEAR SNOQUALMIE FALLS (SNQW1)
   State:  Washington
   County:  King
   Latitude:  47 37' 0" North
   Longitude:  121 43' 0" West
   Elevation:  1130 ft

   Supporting NWS Forecast Office: WFO Seattle

   
Click for NWS Official River Forecasts for SNQW1
   

Daily Historical Statistics for March 18, 2026
Mean Stage: 3.55 ft  Mean Flow: 513 cfs
Max Stage: 6.65 ft  Max Flow: 2950 cfs (1932)
Min Stage:  2.50 ft   Min Flow: 156 cfs (1930)

Statistics based on water years: 1930-2024
* statistics estimated based on current rating

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

Hydrograph plot for SNQW1

Data Used In Plot   "label   USGS Observations