Peakflow Forecasts Header

THOMPSON--NEAR THOMPSON FALLS
   State:  Montana    County:  SANDERS
   Latitude:  47 35' 30" North    Longitude:  115 13' 42" West
   Elevation:  2429 feet
   Supporting WFO:  Missoula    
   Action Stage:  6.5'   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.

THOMPSON--NEAR THOMPSON FALLS   (THRM8)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-11
Forecast Period: July 11 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.80 160 2025-07-16
90 % 2.80 160 2025-07-16
70 % 2.88 186 2025-08-08
50 % 2.96 216 2025-09-15
30 % 3.06 260 2025-10-19
10 % 3.29 374 2025-10-31
05 % 3.37 422 2025-11-01

Peakflow exceedence plot for THRM8

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