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: Mar 04 2024 at 8:18 AM PSTNext Issuance: Mar 04 2024 at 3:00 PM PST
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
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
2018*
12,500
9.52
Apr 7, 2018
 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
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.
Official 7 Day National Weather Service Forecast   (CAZ080)
Today: Snow likely early this morning, then snow in the late morning and afternoon. Rain this afternoon. Snow level 2500 feet this afternoon. Snow accumulation of 1 to 2 inches at lower elevations and 3 to 6 inches above 3000 feet. Highs in the lower 30s to lower 40s. South winds 10 to 15 mph. Chance of precipitation 80 percent.

Tonight: Rain and snow. Snow may be heavy at times. Snow level 2500 feet rising to 3500 feet after midnight. Snow accumulation of 5 to 9 inches. Lows in the lower to mid 30s. South winds 10 to 15 mph. Chance of precipitation 90 percent.

Tuesday: Rain and snow. Snow may be heavy at times in the morning. Snow level 4000 feet lowering to 3500 feet in the afternoon. Snow accumulation of 4 to 7 inches. Highs in the mid 30s to lower 40s. South winds 10 to 15 mph. Chance of precipitation 90 percent.

Tuesday Night: Rain and snow in the evening, then rain and snow likely after midnight. Snow level 4000 feet lowering to 3500 feet after midnight. Lows in the lower to mid 30s. South winds 5 to 10 mph. Chance of precipitation 90 percent.

Wednesday: Mostly cloudy with a 50 percent chance of rain and snow. Snow level 3500 feet rising to 4000 feet in the afternoon. Highs in the mid 30s to mid 40s. East winds around 5 mph shifting to the north in the late morning and afternoon.

Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. Colder. Lows in the lower 20s to lower 30s.

Thursday and Thursday Night: Mostly clear. Highs in the mid 30s to mid 40s. Lows in the lower 20s to lower 30s.

Friday: Partly cloudy. Slight chance of rain in the afternoon. Highs in the lower 40s to lower 50s.

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

Saturday: Rain and snow likely. Highs in the mid 30s to mid 40s.

Saturday Night: Mostly cloudy with a chance of rain and snow. Lows in the mid 20s to mid 30s.

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