Peakflow Forecasts Header

SALMON--AT WHITEBIRD
   State:  Idaho    County:  IDAHO
   Latitude:  45 45' 1" North    Longitude:  116 19' 23" West
   Elevation:  1413 feet
   Supporting WFO:  Missoula    
   Action Stage:  30'   Flood Stage:  32'   Moderate Flood Stage:  33'
   Major Flood Stage:  35'

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.

SALMON--AT WHITEBIRD   (WHBI1)
Forecasts for Water Year 2026
Ensemble Date: 2026-01-23
 Forecast Period: January 23 to May 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 15.38 9891 2026-04-01
90 % 16.30 12341 2026-04-11
70 % 17.42 15736 2026-04-24
50 % 18.54 19500 2026-04-27
30 % 19.51 23145 2026-04-30
10 % 21.16 30006 2026-05-01
05 % 22.18 34681 2026-05-01

Peakflow exceedence plot for WHBI1

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