Peakflow Forecasts Header

MF PAYETTE--NEAR CROUCH
   State:  Idaho    County:  BOISE
   Latitude:  44 6' 50" North    Longitude:  115 58' 19" West
   Elevation:  3040 feet
   Supporting WFO:  Boise    
   Action Stage:  10'   Flood Stage:  11.8'

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.

MF PAYETTE--NEAR CROUCH   (MFPI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-08-16
Forecast Period: August 16 to December 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 5.56 106 2026-08-16
90 % 5.58 113 2026-09-16
70 % 5.63 128 2026-10-31
50 % 5.92 221 2026-11-09
30 % 6.61 456 2026-11-19
10 % 7.56 848 2026-11-25
05 % 8.07 1086 2026-11-29

Peakflow exceedence plot for MFPI1

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