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 CaliforniaBulletin Group: North CoastRiver Group: Klamath
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
2022*
5,130
5.79
Apr 16, 2022
2021*
4,860
5.61
Jan 13, 2021
2020*
7,270
7.08
Apr 24, 2020
2019*
18,200
11.60
Apr 9, 2019
2018*
12,500
9.52
Apr 7, 2018
 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
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.
Official 7 Day National Weather Service Forecast   (CAZ080)
Tonight: Clear. Lows in the lower to mid 40s. North winds 10 to 15 mph shifting to the northeast 5 to 10 mph well after midnight.

Thursday: Sunny. Highs in the mid 60s to mid 70s. North winds 5 to 10 mph shifting to the northwest late in the afternoon.

Thursday Night: Clear. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph shifting to the northeast around 5 mph after midnight.

Friday: Sunny. Highs in the mid 60s to mid 70s. Northeast winds around 5 mph shifting to the north in the afternoon.

Friday Night: Clear. Lows in the mid 40s to lower 50s. North winds 10 to 15 mph shifting to the northeast around 5 mph well after midnight.

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

Sunday: Sunny. Slight chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s.

Sunday Night: Partly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower to mid 50s.

Monday: Sunny with a slight chance of showers in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s.

Monday Night: Mostly cloudy with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s to lower 60s.

Tuesday and Tuesday Night: Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs in the mid 70s to mid 80s. Lows in the lower 50s to lower 60s.

Wednesday: Partly cloudy in the morning, then mostly cloudy with a chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s to lower 80s.
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.