Rivers in Washington

Newaukum River near Chehalis

Lewis County, WashingtonNWS NEWW1USGS 12025000Seattle office

Below flood stage
192.39ftStage

Observed Wed, Sep 23, 9:45 AM PDT

Flood stage
202.50 ft
Forecast crest
192.83 ftFri, Sep 25, 11:00 PM PDT
Record crest
205.59 ft2022

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood205.50 ft
Moderate flood204.50 ft
Minor flood202.50 ft
Action200.50 ft
  1. 205.50 ftflood waters will inundate most roads and a majority of residential and commercial areas within the region. Swift flood waters will become deep and hazardous, especially near river channels. A stage of 205.5 feet on the Newaukum corresponds to Phase 4 in the Lewis County flood system. Flooding will occur all along the river including headwaters, forks, tributaries, and other streams within and near the Newaukum River Basin.
  2. 204.50 ftdeep and hazardous flood waters will inundate many roads and residential and commercial areas along the Newaukum River and its forks. Impacted roadways and surrounding areas include SR 508, Jackson Hwy. and Tune, Rush, Sommerville, Griel, Hamilton, Tauscher, Guerrier, Kirkland, Macomber, Rice, Senn, Lucas Creek, Middle Fork and North Fork, Bishop, Shorey, Labree, Gish, Yates Roads. A stage of 204.5 feet on the Newaukum roughly corresponds to Phase 3 flood in the Lewis County flood system.
  3. 202.50 ftflood waters will inundate many roads and residential and commercial areas along the Newaukum River and its forks. Flooding in some areas may be deep and hazardous especially near rivers. Impacted roadways and surrounding areas include Jackson Hwy. and Tune, Rush, Sommerville, Griel, Hamilton, Tauscher, Guerrier, Kirkland, Macomber, Rice, Senn, Lucas Creek, Middle Fork and North Fork Roads. A stage of 202.5 feet on the Newaukum roughly corresponds to Phase 2 flood in the Lewis County flood system.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding24%
Moderate flooding7%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Crest history

52 crests on NOAA’s list since 1977.

#DateStage
1January 6, 2022205.59 ft
2February 8, 1996205.48 ft
3December 9, 2025205.36 ft
4March 1, 2022204.86 ft
5November 12, 2021204.62 ft
6December 21, 2019204.52 ft
7January 3, 2021204.27 ft
8January 7, 2020204.14 ft
9December 6, 2023204.02 ft
10January 13, 2021203.52 ft
11February 23, 2021203.36 ft
12February 7, 2020203.19 ft
13December 12, 2025202.55 ft
14January 7, 200913.49 ft
15December 3, 200713.45 ft
16January 5, 201513.14 ft
17November 7, 200613.00 ft
18November 18, 201512.79 ft
19November 24, 198612.76 ft
20January 9, 199012.75 ft
21November 24, 199012.73 ft
22November 26, 199812.50 ft
23December 2, 197712.49 ft
24December 9, 201512.26 ft
25February 9, 201712.23 ft

Most recent crests

  • December 12, 2025: 202.55 ft
  • December 9, 2025: 205.36 ft
  • December 6, 2023: 204.02 ft
  • March 1, 2022: 204.86 ft
  • January 6, 2022: 205.59 ft
  • November 12, 2021: 204.62 ft
  • February 23, 2021: 203.36 ft
  • January 13, 2021: 203.52 ft
  • January 3, 2021: 204.27 ft
  • February 7, 2020: 203.19 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. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.

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.