Chehalis River near Montesano, WA

Grays Harbor County, Washington · USGS gauge 12035100 · NWS CMTW1 · Chehalis River flood status · Washington river levels

Nearby: river levels near Satsop

Is Chehalis River near Montesano, WA flooding right now?

Chehalis River near Montesano, WA measured 2.30 ft on 2026-10-27 17:00:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

2.30 ft

as of 61 min ago

Streamflow

—

data refreshed 15 min ago

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Nearby gauges

Gauge	Distance	County
Wynoochee River above Black Creek near Montesano, WA	4.2 mi	Grays Harbor County
Chehalis River near Satsop, WA	5.4 mi	Grays Harbor County
Satsop River near Satsop, WA	5.8 mi	Grays Harbor County
Chehalis River at Porter, WA	13.8 mi	Grays Harbor County
North River near Raymond, WA	15.8 mi	Grays Harbor County

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.

Sources: USGS monitoring location · NWS gauge & forecast