Peakflow Forecasts Header

NF CLEARWATER--DWORSHAK DAM
   State:  Idaho    County:  CLEARWATER
   Latitude:  46 30' 53" North    Longitude:  116 17' 48" West
   Elevation:  995 feet
   Supporting WFO:  Missoula    
   Inflow Data  

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.

NF CLEARWATER--DWORSHAK DAM   (DWRI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-04-15
Forecast Period: April 15 to August 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 18384 2026-04-24
90 % 18384 2026-04-24
70 % 18618 2026-04-29
50 % 19882 2026-05-06
30 % 23677 2026-05-14
10 % 30144 2026-05-30
05 % 35386 2026-06-03

Peakflow exceedence plot for DWRI1

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