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: 2025-05-12
Forecast Period: May 12 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.20 1028 2025-05-13
90 % 4.20 1028 2025-05-13
70 % 4.20 1028 2025-05-13
50 % 4.23 1056 2025-05-26
30 % 4.36 1160 2025-05-29
10 % 4.92 1642 2025-06-06
05 % 5.10 1807 2025-06-11

Peakflow exceedence plot for THRM8

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