Rivers in Washington

Columbia River at Longview

Cowlitz County, WashingtonNWS LOPW1USGS 14245300Portland office

Below flood stage
3.21ftStage

Observed Tue, Sep 22, 5:06 PM PDT

Flood stage
13.50 ft
Forecast crest
6.21 ftWed, Sep 30, 6:00 PM PDT
Record crest
24.00 ft1894

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood18.00 ft
Moderate flood15.00 ft
Minor flood13.50 ft
Action12.00 ft
  1. 19.00 ftexpect major widespread flooding of lowland areas, along with flooding of some areas in and near Longview. Water levels have historically neared the tops of several levees at this stage.
  2. 18.00 ftexpect major and widespread flooding of lowland areas along the Columbia from Kalama downstream to Clatskanie, including flooding of some areas in and near Longview. Water levels have historically neared the tops of some levees at this stage.
  3. 17.00 ftexpect flooding of most islands on the Columbia River near Longview and Rainier, along with extensive flooding of unleveed farmland, mainly on the Washington side of the river.
  4. 15.00 ftexpect widespread flooding of unleveed farmland along the Columbia and low-lying areas in the vicinity of Longview, Kalama, and Woodland.
  5. 14.00 ftexpect flooding of farmland and property not protected by levees to begin in and near Longview, Kalama, and Woodland.
  6. 13.50 ftexpect minor flooding of farmland and low-lying areas not protected by levees along the Columbia.

Crest history

18 crests on NOAA’s list since 1894.

#DateStage
1June 7, 189424.00 ft
2June 6, 194820.30 ft
3December 25, 196418.90 ft
4February 9, 199618.40 ft
5June 8, 195618.00 ft
6May 26, 195016.70 ft
7January 19, 197416.40 ft
8January 31, 196516.10 ft
9June 12, 196116.00 ft
10June 12, 197215.00 ft
11May 23, 195714.80 ft
12May 18, 194914.40 ft
13May 23, 195114.20 ft
14December 15, 197714.00 ft
15March 30, 201713.90 ft
16January 2, 200613.37 ft
17December 31, 200513.18 ft
18February 25, 198613.01 ft

Most recent crests

  • March 30, 2017: 13.90 ft
  • January 2, 2006: 13.37 ft
  • December 31, 2005: 13.18 ft
  • February 9, 1996: 18.40 ft
  • February 25, 1986: 13.01 ft
  • December 15, 1977: 14.00 ft
  • January 19, 1974: 16.40 ft
  • June 12, 1972: 15.00 ft
  • January 31, 1965: 16.10 ft
  • December 25, 1964: 18.90 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.

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.