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: 2026-08-16
Forecast Period: August 16 to December 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 1531 2026-10-12
90 % 2212 2026-10-28
70 % 4798 2026-11-04
50 % 6001 2026-11-12
30 % 8326 2026-11-19
10 % 14304 2026-11-25
05 % 22860 2026-11-28

Peakflow exceedence plot for DWRI1

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