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SKAGIT--NEAR MT VERNON
   State:  Washington    County:  SKAGIT
   Latitude:  48 26' 42" North    Longitude:  122 20' 3" West
   Elevation:  30 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 2027
Ensemble Date: 2026-10-09
 Forecast Period: October 9 to February 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 16.19 19630 2026-11-05
90 % 20.27 32771 2026-11-09
70 % 24.19 48110 2026-11-23
50 % 28.02 65554 2026-12-06
30 % 33.47 99263 2026-12-27
10 % 37.43 130167 2027-01-21
05 % 40.32 155342 2027-01-26

Peakflow exceedence plot for MVEW1

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