Klamath River near Seiad Valley CA

Siskiyou County, California · USGS gauge 11520500 · NWS SEIC1 · Klamath River flood status · California river levels

Is Klamath River near Seiad Valley CA flooding right now?

Klamath River near Seiad Valley CA measured 2.05 ft on 2026-09-11 01:00:00 UTC. That observation was 12.9 ft below its 15 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
2.05 ft
as of 2 hours ago
Streamflow
1,160 cfs
data refreshed 13 min ago

Minor flooding here begins at 15 ft, with major flooding at 28 ft. The highest crest on record was 33.75 ft on Wed, Dec 23, 1964.

Flood forecast

NWS forecast, issued 13 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action13 ft10.9 ft below
Minor flood15 ft12.9 ft below
Moderate flood20 ft17.9 ft below
Major flood28 ft25.9 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
33.75 ft1964-12-23
29.65 ft1974-01-16
29.2 ft1955-12-22
28.72 ft1997-01-01
22.8 ft1981-12-20

Nearby gauges

GaugeDistanceCounty
Indian C near Happy Camp CA7.9 miSiskiyou County
Elliott Creek near Copper, OR11.2 miSiskiyou County
Applegate River near Copper, OR15.8 miJackson County
Scott River near Fort Jones CA18.5 miSiskiyou County
Klamath River a Walker Br near Klamath River CA18.9 miSiskiyou 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