Peakflow Forecasts Header

TETON--AB S. LEIGH CR NR DRIGGS
   State:  Idaho    County:  TETON
   Latitude:  43 46' 54" North    Longitude:  111 12' 29" West
   Elevation:  5953 feet
   Supporting WFO:  Pocatello    
   Action Stage:  3.8'   Flood Stage:  4.2'   Moderate Flood Stage:  6'
   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--AB S. LEIGH CR NR DRIGGS   (DGGI1)
Forecasts for Water Year 2026
Ensemble Date: 2026-01-16
 Forecast Period: January 16 to May 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 1.79 266 2026-03-14
90 % 1.88 308 2026-03-23
70 % 1.96 350 2026-04-09
50 % 2.05 396 2026-04-21
30 % 2.18 462 2026-04-27
10 % 2.44 602 2026-05-01
05 % 2.53 651 2026-05-01

Peakflow exceedence plot for DGGI1

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