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
2026
Ensemble Date: 2026-06-05
Forecast Period: June 5 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.63 579 2026-06-05
90 % 3.63 579 2026-06-05
70 % 3.63 579 2026-06-05
50 % 3.63 579 2026-06-05
30 % 3.63 579 2026-06-05
10 % 3.63 579 2026-06-05
05 % 3.84 708 2026-06-19

Peakflow exceedence plot for THRM8

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