Is the Lewis River flooding?

Washington · 2 gauges · Washington river levels

The Lewis River is tracked by 2 USGS streamgauges in Washington. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Lewis River is running normal, rising toward flood stage, or already flooding. 0 of 2 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Washington river levels.

data refreshed 7 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Lewis River at Ariel, WA. The highest level ever recorded there was 35.00 ft on 22 December 1933, carrying 129,000 cfs. Peak records there go back to 1924 (102 annual peaks). It is currently at 1.55 ft, 33.5 ft below that record.

Drains 731 sq mi · gauge elevation 48 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Lewis River above Muddy River near Cougar, WANo flood stage defined1.02 ft
Lewis River at Ariel, WANo flood stage defined1.55 ft
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.