Peakflow Forecasts Header

ST JOE--AT CALDER
   State:  Idaho    County:  SHOSHONE
   Latitude:  47 16' 28" North    Longitude:  116 11' 17" West
   Elevation:  2096 feet
   Supporting WFO:  Spokane    
   Action Stage:  12'   Flood Stage:  13'   Moderate Flood Stage:  15'
   Major Flood Stage:  
16'

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.

ST JOE--AT CALDER   (CLDI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-08-16
Forecast Period: August 16 to December 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 5.69 516 2026-09-05
90 % 6.20 844 2026-10-29
70 % 7.60 2389 2026-11-06
50 % 7.99 3012 2026-11-15
30 % 8.76 4537 2026-11-20
10 % 9.98 7955 2026-11-26
05 % 11.36 12274 2026-11-29

Peakflow exceedence plot for CLDI1

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