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METHOW--NEAR PATEROS
   State:  Washington    County:  OKANOGAN
   Latitude:  48 4' 23" North    Longitude:  119 59' 27" West
   Elevation:  900 feet
   Supporting WFO:  Spokane    
   Action Stage:  9'   Flood Stage:  10'   Moderate Flood Stage:  11'
   Major Flood Stage:  12'

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

METHOW--NEAR PATEROS   (PATW1)
Forecasts for Water Year 2026
Ensemble Date: 2026-09-10
 Forecast Period: September 10 to January 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 1.57 310 2026-09-17
90 % 1.61 324 2026-10-10
70 % 1.96 493 2026-11-02
50 % 2.38 746 2026-11-11
30 % 2.70 983 2026-11-18
10 % 4.46 3046 2026-12-11
05 % 4.81 3597 2026-12-17

Peakflow exceedence plot for PATW1

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon