Peakflow Forecasts Header

WILLOW CREEK--RIRIE DAM
   State:  Idaho    County:  JEFFERSON
   Latitude:  43 34' 48" North    Longitude:  111 44' 33" West
   Elevation:  5119 feet
   Supporting WFO:  Pocatello    
   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.

WILLOW CREEK--RIRIE DAM   (RIDI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-11
Forecast Period: July 11 to November 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 28 2025-08-13
90 % 34 2025-09-06
70 % 44 2025-09-22
50 % 55 2025-10-09
30 % 64 2025-10-23
10 % 99 2025-10-31
05 % 109 2025-11-01

Peakflow exceedence plot for RIDI1

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