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: May 15 2021 at 7:53 AM PDTNext Issuance: May 16 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)**
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)
Tonight: Mostly clear. Lows in the mid 40s to mid 50s. North winds 10 to 15 mph shifting to the northeast around 5 mph well after midnight.

Sunday: Sunny. Highs in the mid 70s to mid 80s. Northeast winds around 5 mph shifting to the northwest late in the afternoon.

Sunday Night: Mostly clear. Lows in the mid 40s to mid 50s. Northwest winds 5 to 10 mph shifting to the east well after midnight.

Monday: Sunny. Highs in the lower 70s to lower 80s. West winds 5 to 10 mph.

Monday Night: Mostly clear. Lows in the lower to mid 40s. Northwest winds 5 to 10 mph.

Tuesday and Tuesday Night: Partly cloudy. Cooler. Highs in the lower 60s to lower 70s. Lows in the mid 30s to mid 40s.

Wednesday: Partly cloudy in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the mid 50s to mid 60s.

Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. Chance of rain and snow showers. Colder. Lows in the lower 30s to lower 40s.

Thursday: Partly cloudy with a slight chance of rain and snow showers in the morning, then mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs in the mid 40s to mid 50s.

Thursday Night: Mostly cloudy in the evening then becoming partly cloudy. Chance of rain and snow showers. Lows in the lower to mid 30s.

Friday and Friday Night: Partly cloudy with a slight chance of rain and snow showers. Highs in the lower 50s to lower 60s. Lows in the lower 30s to lower 40s.

Saturday: Partly cloudy. Slight chance of rain and snow showers in the morning. Highs in the mid 50s to mid 60s.
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.