Chehalis River near Doty, WA
River level and flood forecast · Lewis County
The river is 11.9 ft below flood stage (318 ft).
Forecast to hold near 306.1 ft through Mon, Oct 19, 5 PM.
Flow: 32 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:27 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Chehalis River near Doty to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 324.5 ft |
| Moderate flood stage | 323.5 ft |
| Flood stage | 318 ft |
| Action stage | 315.5 ft |
| Record crest (December 3, 2007) | 336.26 ft |
What floods at each level
From the National Weather Service, highest first.
- 324.5 ftdeep and hazardous flood waters of the upper Chehalis and South Fork Chehalis rivers will inundate most roads and a majority of agricultural and residential areas. Many bridges will be closed and possibly damaged. This stage roughly corresponds to Phase 4 in the Lewis County flood system. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the upper Chehalis River Basin.
- 323.5 ftdeep and hazardous flood waters of the upper Chehalis and South Fork Chehalis Rivers will inundate many residential and commercial areas and roadways including Hwy. 6...potentially closing schools. Other impacted roadways and surrounding areas include Curtis Hill...Lake Creek...Moon Hill...Wildwood...Beaver Creek...and King Roads in the Boisfort Valley and Labri Rd. and Front St. below Doty. This stage roughly corresponds to Phase 3 in the Lewis County flood system.
- 318 ftflood waters of the upper Chehalis and South Fork Chehalis will inundate many roads and some residential and commercial areas. Impacted roadways and surrounding areas include Curtis Hill...Lake Creek...Moon Hill...Wildwood Roads in the Boisfort Valley and Labri Rd. and Front St. below Doty. This stage roughly corresponds to just below Phase 2 in the Lewis County flood system.
- 316.5 ftflood waters of the upper Chehalis and South Fork Chehalis will spill over its banks...inundating low flood prone areas and possibly some roads below Doty and in the Boisfort Valley. This stage roughly corresponds to Phase 1 in the Lewis County flood system.
Highest crests on record
- 336.26 ft — December 3, 2007
- 321.11 ft — January 6, 2022
- 319.66 ft — December 20, 2019
- 318.55 ft — January 13, 2021
- 318.47 ft — December 9, 2025
Recent crests: 318.47 ft (December 9, 2025) · 318.46 ft (December 5, 2023) · 318.11 ft (February 28, 2022) · 321.11 ft (January 6, 2022) · 318.55 ft (January 13, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (DOTW1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.