Peakflow Forecasts Header

CLARK FORK--NEAR PLAINS
   State:  Montana    County:  SANDERS
   Latitude:  47 25' 46" North    Longitude:  114 51' 18" West
   Elevation:  2449 feet
   Supporting WFO:  Missoula    
   Action Stage:  15'   Flood Stage:  16'   Moderate Flood Stage:  18'
   Major Flood Stage:  
19.5'

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.

CLARK FORK--NEAR PLAINS   (PLNM8)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-08
Forecast Period: July 8 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.96 12038 2025-07-08
90 % 4.96 12038 2025-07-08
70 % 4.96 12038 2025-07-08
50 % 4.96 12038 2025-07-08
30 % 4.96 12038 2025-07-08
10 % 5.18 12981 2025-08-19
05 % 6.20 17867 2025-09-30

Peakflow exceedence plot for PLNM8

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