Rivers in Oregon

Thomas Creek near Scio

Linn County, OregonNWS TRSO3USGS 14188800Portland office

Below flood stage
3.88ftStage

Observed Sun, Sep 20, 8:45 AM PDT

Flood stage
18.00 ft
Forecast crest
3.88 ftSat, Sep 19, 5:00 PM PDT
Record crest
20.08 ft2012

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.00 ft
Moderate flood19.00 ft
Minor flood18.00 ft
Action15.50 ft
  1. 20.00 ftexpect widespread flooding of lower areas in and near Scio.
  2. 18.00 ftexpect some flooding of roads and property in and near Scio and along Thomas Creek.
  3. 15.50 ftexpect inundation of low areas along Thomas Creek.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 19, 2026.

Crest history

6 crests on NOAA’s list since 1964.

#DateStage
1January 19, 201220.08 ft
2January 21, 197219.58 ft
3December 19, 202518.94 ft
4January 2, 200918.52 ft
5December 22, 196418.44 ft
6November 7, 200617.75 ft

Most recent crests

  • December 19, 2025: 18.94 ft
  • January 19, 2012: 20.08 ft
  • January 2, 2009: 18.52 ft
  • November 7, 2006: 17.75 ft
  • January 21, 1972: 19.58 ft
  • December 22, 1964: 18.44 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.