Peakflow Forecasts Header

PACIFIC CREEK--AT MORAN
   State:  Wyoming    County:  TETON
   Latitude:  43 51' 0" North    Longitude:  110 32' 0" West
   Elevation:  6720 feet
   Supporting WFO:  Riverton    
   Action Stage:  7.5'   Flood Stage:  8.5'   Moderate Flood Stage:  9.5'
   Major Flood Stage:  15'

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.

PACIFIC CREEK--AT MORAN   (PACW4)
Forecasts for Water Year 2026
Ensemble Date: 2026-03-10
 Forecast Period: March 10 to July 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 6.92 1321 2026-05-03
90 % 6.95 1356 2026-05-10
70 % 7.23 1710 2026-05-19
50 % 7.33 1853 2026-05-25
30 % 7.45 2024 2026-06-01
10 % 7.84 2695 2026-06-08
05 % 7.97 2942 2026-06-11

Peakflow exceedence plot for PACW4

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