METHOW − AT WINTHROP (WTHW1)
   State:  Washington
   County:  Okanogan
   Latitude:  48 28' 0" North
   Longitude:  120 10' 0" West
   Elevation:  1718 ft

   Supporting NWS Forecast Office: WFO Spokane

   
Click for NWS Official River Forecasts for WTHW1
   

Daily Historical Statistics for March 12, 2026
Mean Stage: 10.31 ft  Mean Flow: 381 cfs
Max Stage: 11.58 ft  Max Flow: 1180 cfs (2007)
Min Stage:  9.61 ft   Min Flow: 150 cfs (1912)

Statistics based on water years: 1912-2025
* 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 WTHW1

Data Used In Plot   "label   USGS Observations