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 2027
Ensemble Date: 2026-10-09
 Forecast Period: October 9 to February 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 4.43 306 2026-11-01
90 % 4.49 331 2026-11-23
70 % 5.11 752 2026-12-20
50 % 6.43 2192 2027-01-09
30 % 7.02 3071 2027-01-16
10 % 8.31 5621 2027-01-28
05 % 8.76 6690 2027-01-31

Peakflow exceedence plot for WSRI1

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