UMATILLA − NEAR UMATILLA (UMAO3)
   State:  Oregon
   County:  Umatilla
   Latitude:  45 54' 11" North
   Longitude:  119 19' 32" West
   Elevation:  330 ft

   Supporting NWS Forecast Office: WFO Pendleton

   
Click for NWS Official River Forecasts for UMAO3
   

Daily Historical Statistics for March 13, 2026
Mean Stage: 3.93 ft  Mean Flow: 1160 cfs
Max Stage: 6.14 ft  Max Flow: 5840 cfs (1972)
Min Stage:  2.05 ft   Min Flow: 29 cfs (1935)

Statistics based on water years: 1905-2025
* statistics estimated based on current rating

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

Hydrograph plot for UMAO3

Data Used In Plot   "label   USGS Observations   


Hydrograph plot for UMAO3

Data Used In Plot   "label   ---