Peakflow Forecasts Header

MOYIE--AT EASTPORT
   State:  Idaho    County:  BOUNDARY
   Latitude:  48 59' 57" North    Longitude:  116 10' 47" West
   Elevation:  2620 feet
   Supporting WFO:  Spokane    
   Action Stage:  8'   Flood Stage:  9'   Moderate Flood Stage:  10'
   Major Flood Stage:  
11'

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.

MOYIE--AT EASTPORT   (EASI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-08-18
Forecast Period: August 18 to December 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.50 93 2026-09-03
90 % 3.51 97 2026-09-10
70 % 3.56 109 2026-09-24
50 % 3.60 123 2026-10-15
30 % 3.66 141 2026-11-01
10 % 3.89 240 2026-11-21
05 % 4.41 535 2026-11-24

Peakflow exceedence plot for EASI1

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