Peakflow Forecasts Header

COEUR D ALENE--AT CATALDO
   State:  Idaho    County:  KOOTENAI
   Latitude:  47 33' 18" North    Longitude:  116 19' 28" West
   Elevation:  2100 feet
   Supporting WFO:  Spokane    
   Action Stage:  42'   Flood Stage:  43'   Moderate Flood Stage:  46'
   Major Flood Stage:  50'

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.

COEUR D ALENE--AT CATALDO   (CTLI1)
Forecasts for Water Year 2027
Ensemble Date: 2026-10-05
 Forecast Period: October 5 to February 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 33.51 1059 2026-11-08
90 % 34.69 2262 2026-11-20
70 % 35.65 3333 2026-12-05
50 % 36.91 4875 2026-12-27
30 % 39.66 8717 2027-01-13
10 % 42.36 15940 2027-01-27
05 % 43.33 19588 2027-01-30

Peakflow exceedence plot for CTLI1

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