MF WILLAMETTE − AT JASPER (JASO3)
   State:  Oregon
   County:  Lane
   Latitude:  43 59' 54" North
   Longitude:  122 54' 20" West
   Elevation:  513 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for JASO3

   Action Stage:  
9.4 ft
   Flood Stage:  
10 ft
   Moderate Flood Stage:  
13 ft
   Major Flood Stage:  
15 ft
Daily Historical Statistics for July 01, 2025
Mean Stage: 3.07 ft  Mean Flow: 2240 cfs
Max Stage: 4.92 ft  Max Flow: 5470 cfs (1969)
Min Stage:  2.08 ft   Min Flow: 1090 cfs (1910)

Statistics based on water years: 1906-2023
* statistics estimated based on current rating

Record Stage: 
17.4 ft
Record Flow: 
94000 cfs
Date of Record: 
November 23, 1909

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

Hydrograph plot for JASO3


For Data Used In Plot   "label


Hydrograph plot for JASO3


For Data Used In Plot   "label