Peakflow Forecasts Header

TETON--NEAR ST. ANTHONY
   State:  Idaho    County:  FREMONT
   Latitude:  43 55' 37" North    Longitude:  111 36' 55" West
   Elevation:  4970 feet
   Supporting WFO:  Pocatello    
   Action Stage:  5.5'   Flood Stage:  6'   Moderate Flood Stage:  6.5'
   Major Flood Stage:  
7'

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.

TETON--NEAR ST. ANTHONY   (TEAI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-06-05
Forecast Period: June 5 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.45 1300 2026-06-05
90 % 3.45 1300 2026-06-05
70 % 3.45 1300 2026-06-05
50 % 3.45 1300 2026-06-05
30 % 3.45 1300 2026-06-05
10 % 3.45 1300 2026-06-05
05 % 3.50 1348 2026-06-15

Peakflow exceedence plot for TEAI1

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