Peakflow Forecasts Header

SNAKE--NEAR BLACKFOOT
   State:  Idaho    County:  BINGHAM
   Latitude:  43 8' 30" North    Longitude:  112 31' 5" West
   Elevation:  4400 feet
   Supporting WFO:  Pocatello    
   Action Stage:  10.2'   Flood Stage:  11'

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.

SNAKE--NEAR BLACKFOOT   (BFTI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-07-10
Forecast Period: July 10 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.78 5317 2026-07-29
90 % 4.78 5319 2026-08-01
70 % 4.82 5383 2026-08-02
50 % 4.89 5512 2026-08-02
30 % 4.93 5596 2026-08-02
10 % 5.16 6040 2026-08-02
05 % 5.20 6133 2026-10-01

Peakflow exceedence plot for BFTI1

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