Peakflow Forecasts Header

SELWAY--NEAR LOWELL
   State:  Idaho    County:  IDAHO
   Latitude:  46 5' 12" North    Longitude:  115 30' 46" West
   Elevation:  1540 feet
   Supporting WFO:  Missoula    
   Action Stage:  13.5'   Flood Stage:  14'   Moderate Flood Stage:  16'
   Major Flood Stage:  
18'

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.

SELWAY--NEAR LOWELL   (SELI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-05-12
Forecast Period: May 12 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 9.86 20621 2025-05-13
90 % 9.86 20621 2025-05-13
70 % 9.86 20621 2025-05-13
50 % 9.86 20621 2025-05-13
30 % 9.86 20621 2025-05-13
10 % 10.24 22378 2025-05-28
05 % 10.59 24031 2025-06-04

Peakflow exceedence plot for SELI1

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