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SKAGIT--NEAR MT VERNON
   State:  Washington    County:  SKAGIT
   Latitude:  48 26' 42" North    Longitude:  122 20' 3" West
   Elevation:  0 feet
   Supporting WFO:  Seattle    
   Action Stage:  23.5'   Flood Stage:  28'   Moderate Flood Stage:  30'
   Major Flood Stage:  32'

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.

SKAGIT--NEAR MT VERNON   (MVEW1)
Forecasts for Water Year 2026
Ensemble Date: 2026-06-05
 Forecast Period: June 5 to October 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 14.35 14691 2026-06-05
90 % 14.35 14691 2026-06-05
70 % 14.69 15567 2026-06-28
50 % 15.71 18283 2026-07-22
30 % 17.26 22792 2026-08-27
10 % 20.54 33741 2026-09-26
05 % 27.36 62364 2026-09-29

Peakflow exceedence plot for MVEW1

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