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
Issuance Time: Sep 06 2024 at 7:14 AM PDTNext Issuance: Sep 07 2024 at 9:00 AM PDT
Monitor Stage: 13.0 FeetFlood Stage: 15.0 Feet

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
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
2023*
9,370
8.15
Apr 30, 2023
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
 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
33.75 FeetMajor flooding is occurring along the entire reach of the Klamath River in Siskiyou County. Much of Highway 96 is impassable.
28.0 FeetExpect considerable flooding along the Klamath River in Siskiyou County. Sections of Highway 96 are flooded.
20.0 FeetHighway 96 innundated 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 with Indian Creek.
15.0 FeetThe Klamath River is at flood stage. The Klamath River begins to flow out of its banks in some areas. Some low-lying structures may be flooded.
13.0 FeetThe Klamath River is nearing bankfull.
Official 7 Day National Weather Service Forecast   (CAZ080)
Today: Mostly cloudy then becoming partly cloudy late this morning then becoming sunny. Highs in the lower 80s to lower 90s. Southeast winds around 5 mph shifting to the south this afternoon.

Tonight: Mostly clear. Lows in the mid 50s to lower 60s. Southwest winds 5 to 10 mph shifting to the east after midnight.

Sunday: Sunny. Highs in the lower 80s to lower 90s. Southeast winds around 5 mph shifting to the west late in the afternoon.

Sunday Night: Clear. Lows in the mid 50s to lower 60s. West winds 5 to 10 mph shifting to the east after midnight.

Monday: Sunny in the morning then becoming partly cloudy. Highs in the lower 80s to lower 90s. Southeast winds around 5 mph shifting to the southwest in the afternoon.

Monday Night and Tuesday: Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the lower 80s to lower 90s.

Tuesday Night: Partly cloudy. Slight chance of rain after midnight. Cooler. Lows in the mid 40s to mid 50s.

Wednesday: Partly cloudy in the morning then becoming mostly cloudy. Chance of rain. Cooler. Highs in the lower 60s to lower 70s.

Wednesday Night: Partly cloudy with a slight chance of rain. Lows in the mid 40s to lower 50s.

Thursday and Thursday Night: Mostly clear. Highs in the mid 60s to mid 70s. Lows in the mid 40s to lower 50s.

Friday: Sunny. 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.