Peakflow Forecasts Header

WEISER--NEAR WEISER
   State:  Idaho    County:  WASHINGTON
   Latitude:  44 16' 3" North    Longitude:  116 46' 16" West
   Elevation:  2206 feet
   Supporting WFO:  Boise    
   Action Stage:  9'   Flood Stage:  9.5'   Moderate Flood Stage:  12'
   Major Flood Stage:  13'

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.

WEISER--NEAR WEISER   (WSRI1)
Forecasts for Water Year 2026
Ensemble Date: 2026-01-16
 Forecast Period: January 16 to May 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 6.64 2473 2026-02-11
90 % 6.94 2932 2026-02-19
70 % 7.79 4494 2026-03-05
50 % 8.63 6358 2026-03-15
30 % 8.89 7024 2026-03-25
10 % 9.58 8902 2026-04-09
05 % 10.22 10839 2026-04-22

Peakflow exceedence plot for WSRI1

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