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
Issuance Time: Dec 07 2021 at 1:14 PM PSTNext Issuance: Dec 08 2021 at 9:00 AM PST
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.

Verification - Historical Graphical RVF
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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 then becoming sunny in the late morning and early afternoon then becoming partly cloudy. Highs in the mid 40s to mid 50s. East winds around 5 mph shifting to the northeast late this morning, then shifting to the northwest this afternoon.

Tonight: Partly cloudy in the evening then becoming mostly cloudy. Slight chance of rain. Lows in the mid 30s to lower 40s. Southwest winds around 5 mph.

Wednesday: Mostly cloudy with a chance of rain and snow. Snow level 5000 feet lowering to 4500 feet in the afternoon. Highs in the lower 40s to lower 50s. West winds 5 to 10 mph. Chance of precipitation 30 percent.

Wednesday Night: Mostly cloudy with a 20 percent chance of rain and snow. Snow level 3000 feet lowering to 1500 feet after midnight. Lows in the mid 20s to lower 30s. Northwest winds 5 to 10 mph.

Thursday: Partly cloudy with a chance of snow in the morning, then mostly cloudy with a chance of rain and snow in the afternoon. Snow level 2000 feet in the afternoon. Highs in the lower 30s to lower 40s. Northwest winds around 5 mph. Chance of precipitation 30 percent.

Thursday Night: Mostly cloudy. Chance of rain and snow in the evening, then chance of snow after midnight. Lows in the mid 20s to lower 30s.

Friday: Partly cloudy. Highs in the mid 30s to mid 40s.

Friday Night: Partly cloudy. Chance of snow after midnight. Lows in the mid 20s to lower 30s.

Saturday: Mostly cloudy. Chance of rain and snow in the morning, then rain and snow in the afternoon. Highs in the mid 30s to mid 40s.

Saturday Night and Sunday: Rain and snow. Snow may be heavy at times. Lows in the lower to mid 30s. Highs in the mid 30s to mid 40s.

Sunday Night and Monday: Rain and snow. Snow may be heavy at times. Lows in the mid 20s to mid 30s. Highs in the lower 30s to lower 40s.
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.