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: Oct 19 2021 at 8:32 AM PDTNext Issuance: Oct 20 2021 at 9:00 AM PDT
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: Mostly cloudy then becoming partly cloudy late this morning then becoming mostly cloudy. Chance of rain late this afternoon. Highs in the lower 50s to lower 60s. South winds 15 to 25 mph shifting to the southeast 10 to 20 mph this afternoon.

Tonight: Rain and snow likely in the evening, then rain and snow after midnight. Snow level 5500 feet lowering to 5000 feet after midnight. Snow accumulation of 1 to 2 inches. Lows in the mid 30s to lower 40s. Breezy. Southeast winds 15 to 25 mph. Gusts up to 40 mph after midnight. Chance of precipitation near 100 percent.

Wednesday: Mostly cloudy. Rain and snow likely in the morning, then chance of rain in the afternoon. Snow level 5000 feet rising to 6000 feet in the afternoon. Snow accumulation up to 1 inch. Highs in the mid 40s to mid 50s. South winds 10 to 20 mph. Chance of precipitation 60 percent.

Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Snow level 6500 feet. Lows around 40. Southeast winds 10 to 20 mph.

Thursday: Mostly cloudy with a 30 percent chance of rain. Highs in the lower 50s to lower 60s. South winds 10 to 20 mph with gusts to around 35 mph.

Thursday Night: Rain. Lows in the lower to mid 40s.

Friday: Mostly cloudy. Rain in the morning, then chance of rain in the afternoon. Highs in the mid 40s to mid 50s.

Friday Night: Mostly cloudy with a chance of rain and snow. Lows in the mid 30s to lower 40s.

Saturday: Rain and snow likely in the morning, then rain in the afternoon. Highs in the lower 40s to lower 50s.

Saturday Night: Rain and snow in the evening, then rain after midnight. Lows in the mid 30s to mid 40s.

Sunday: Rain. Highs in the lower 40s to lower 50s.

Sunday Night and Monday: Rain and snow. Lows in the mid 30s to lower 40s. Highs in the lower 40s to lower 50s.
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.