National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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KLAMATH RIVER - SEIAD VALLEY (SEIC1)
Latitude: 41.85º NLongitude: 123.23º WElevation: 1320 Feet
Location: Siskiyou County in CaliforniaRiver Group: North Coast
Monitor Stage: 13.0 FeetFlood Stage: 15.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2020*
7,270
7.08
Apr 24, 2020
2019*
18,200
11.60
Apr 9, 2019
2018*
12,500
9.52
Apr 7, 2018
2017*
43,000
17.95
Feb 10, 2017
2016*
18,600
11.92
Jan 18, 2016
 Historical High Stage/Flow Events (Period of Record - Jul 1951 to Present)** - Ranked by Flow
1965*
165,000
33.75
Dec 23, 1964
1974*
126,000
29.65
Jan 16, 1974
1956*
122,000
29.20
Dec 22, 1955
1997* 117,000 28.72 Jan 1, 1997
2006* 74,000 23.17 Dec 31, 2005
* Discharge affected by regulation or diversion
** Most recent continuous record back to Jul 1951 with segmented periods back to Oct 1912
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ080)
Today: Partly cloudy. Highs in the lower 50s to lower 60s. Northwest winds around 5 mph becoming 5 to 10 mph.

Tonight: Mostly cloudy in the evening then becoming partly cloudy. Patchy frost after midnight. Lows in the mid 30s to mid 40s. North winds 5 to 10 mph shifting to the northeast after midnight.

Wednesday: Partly cloudy in the morning then becoming sunny. Patchy frost in the morning. Highs in the lower 60s to lower 70s. Northeast winds around 5 mph shifting to the north late in the afternoon.

Wednesday Night: Mostly clear. Lows in the mid 40s to lower 50s. North winds around 5 mph shifting to the northeast after midnight.

Thursday: Sunny. Highs in the lower 70s to lower 80s. East winds around 5 mph shifting to the north late in the afternoon.

Thursday Night and Friday: Partly cloudy. Lows in the mid 40s to mid 50s. Highs in the lower 70s to lower 80s.

Friday Night through Saturday Night: Mostly clear. Lows in the mid 40s to mid 50s. Highs in the lower 70s to lower 80s.

Sunday: Sunny. Highs in the mid 70s to mid 80s.

Sunday Night: Partly cloudy. Lows in the lower to mid 50s.

Monday: Sunny. Highs in the mid 70s to mid 80s.
Impacts - E19 Information
15.0 FeetThe Klamath River begins to flow out of its banks in some areas. Some low-lying structures may be flooded.
20.0 FeetHighway 96 inundated in low-lying spots along the Klamath River in Siskiyou County. Flooding is also likely at the confluence with the Scott River and the confluence of Indian Creek.
28.0 FeetConsiderable flooding along the Klamath River in Siskiyou County. Sections of Highway 96 are flooded.
33.8 FeetMajor flooding is occuring along the entire reach of the Klamath River in Siskiyou County. Much of Highway 96 is impassable.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Medford Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.