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: 2026-02-06
Forecast Period: February 6 to June 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.16 8042 2026-04-26
90 % 6.66 9212 2026-05-13
70 % 7.12 10354 2026-05-22
50 % 7.38 11038 2026-05-25
30 % 7.62 11690 2026-05-28
10 % 8.60 14458 2026-05-31
05 % 8.77 14953 2026-06-01

Peakflow exceedence plot for BFTI1

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