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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: 2026-03-12
 Forecast Period: March 12 to July 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 6.80 7738 2026-04-15
90 % 6.88 7953 2026-04-21
70 % 7.43 9420 2026-05-14
50 % 7.88 10743 2026-05-21
30 % 8.37 12276 2026-05-31
10 % 9.01 14455 2026-06-13
05 % 9.45 16084 2026-06-17

Peakflow exceedence plot for PATW1

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