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
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
2017*
43,000
17.95
Feb 10, 2017
 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)
Rest of Today: Mostly cloudy. Slight chance of thunderstorms late this afternoon. Highs in the mid 60s to mid 70s. West winds 15 to 25 mph decreasing to 10 to 15 mph this afternoon.

Tonight: Partly cloudy with a slight chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 40s to mid 50s. West winds 10 to 15 mph.

Friday: Mostly cloudy. Slight chance of showers in the afternoon. Highs in the lower 60s to lower 70s. Southwest winds 10 to 15 mph.

Friday Night: Mostly cloudy with a 30 percent chance of showers. Snow level 7000 feet. Lows in the lower to mid 40s. West winds 10 to 15 mph.

Saturday: Rain. Snow level 7000 feet lowering to 6500 feet in the afternoon. Highs in the mid 40s to mid 50s. Southwest winds 15 to 20 mph. Chance of rain 90 percent.

Saturday Night: Mostly cloudy. Rain and snow likely in the evening, then chance of rain and snow showers after midnight. Lows in the mid 30s to lower 40s.

Sunday: Mostly cloudy with a chance of rain and snow showers. Highs in the mid 40s to mid 50s.

Sunday Night: Mostly cloudy with a slight chance of rain and snow showers in the evening, then partly cloudy after midnight. Lows in the lower 30s to lower 40s.

Memorial Day: Partly cloudy in the morning then clearing. Warmer. Highs in the mid 50s to mid 60s.

Monday Night through Tuesday Night: Mostly clear. Lows in the lower 40s to lower 50s. Highs in the lower 60s to lower 70s.

Wednesday: Sunny. Highs in the lower 70s to lower 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.