Rivers in Washington

Columbia River at Rock Island Dam

Douglas County, WashingtonNWS RISW1Spokane office

No flood stages set
612.07ftStage

Observed Tue, Sep 22, 12:00 AM PDT

Forecast crest
611.59 ftTue, Sep 22, 5:00 AM PDT
Record crest
612.90 ft2017

Open the live map with the river flood outlook

Flood stages and impacts

  1. 619.00 ftHigh flow operations. Significant low land flooding likely downstream of the dam.

Crest history

7 crests on NOAA’s list since 2017.

#DateStage
1July 5, 2017612.90 ft
2August 26, 2018612.89 ft
3January 21, 2019612.86 ft
4January 26, 2022612.69 ft
5August 22, 2020612.63 ft
6June 4, 2021612.60 ft
7June 23, 2023612.45 ft

Most recent crests

  • June 23, 2023: 612.45 ft
  • January 26, 2022: 612.69 ft
  • June 4, 2021: 612.60 ft
  • August 22, 2020: 612.63 ft
  • January 21, 2019: 612.86 ft
  • August 26, 2018: 612.89 ft
  • July 5, 2017: 612.90 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. Gauge reading affected by reservoir operations.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.