Peakflow Forecasts Header

FALL RIVER--NEAR CHESTER
   State:  Idaho    County:  FREMONT
   Latitude:  44 1' 0" North    Longitude:  111 34' 0" West
   Elevation:  5052 feet
   Supporting WFO:  Pocatello    
   Action Stage:  6'   Flood Stage:  6.5'

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.

FALL RIVER--NEAR CHESTER   (CHEI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-05-12
Forecast Period: May 12 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.57 3024 2025-05-19
90 % 4.57 3024 2025-05-19
70 % 4.57 3024 2025-05-19
50 % 4.61 3082 2025-05-26
30 % 4.81 3416 2025-05-30
10 % 5.38 4412 2025-06-09
05 % 6.06 5748 2025-06-13

Peakflow exceedence plot for CHEI1

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