SANTIAM − AT JEFFERSON (JFFO3)
   State:  Oregon
   County:  Marion
   Latitude:  44 42' 55" North
   Longitude:  123 0' 39" West
   Elevation:  220 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for JFFO3
   


   Action Stage:  
13 ft
   Flood Stage:  
15 ft
   Moderate Flood Stage:  
19 ft
   Major Flood Stage:  
23 ft
Daily Historical Statistics for June 25, 2026
Mean Stage: 3.45 ft  Mean Flow: 3490 cfs
Max Stage: 8.54 ft  Max Flow: 18900 cfs (1913)
Min Stage:  1.79 ft   Min Flow: 650 cfs (1940)

Statistics based on water years: 1908-2024
* statistics estimated based on current rating

Record Stage: 
24.22 ft
Record Flow: 
202000 cfs
Date of Record: 
November 21, 1921

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for JFFO3

Data Used In Plot   "label   USACE Observations   USACE Map