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
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.

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
Official 7 Day National Weather Service Forecast   (CAZ080)
Today: Patchy blowing snow early this morning. Areas of blowing snow in the late morning and afternoon. Snow showers and slight chance of thunderstorms through the day. Rain showers this afternoon. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow level 2500 feet this afternoon. Snow accumulation of 4 to 7 inches at lower elevations and 6 to 12 inches above 3000 feet. Highs in the lower 30s to lower 40s. Breezy. South winds 15 to 25 mph with gusts to around 40 mph. Chance of precipitation near 100 percent.

Tonight: Snow showers and slight chance of thunderstorms. Areas of blowing snow. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation of 4 to 10 inches at lower elevations and 8 to 14 inches above 3000 feet. Lows in the lower 20s to lower 30s. Breezy. Southwest winds 15 to 25 mph. Chance of precipitation near 100 percent.

Saturday: Patchy blowing snow in the morning. Snow showers and slight chance of thunderstorms. Snow may be heavy at times in the morning. Snow accumulation of 3 to 7 inches. Highs in the mid 20s to mid 30s. Southwest winds 10 to 20 mph. Chance of precipitation near 100 percent.

Saturday Night: Snow showers and slight chance of thunderstorms in the evening, then snow likely and slight chance of thunderstorms after midnight. Snow may be heavy at times in the evening. Lows in the lower to mid 20s. South winds 5 to 10 mph. Chance of precipitation 80 percent.

Sunday: Snow showers and slight chance of thunderstorms. Snow may be heavy at times. Highs in the mid 20s to mid 30s. Southwest winds 10 to 15 mph. Chance of precipitation 80 percent.

Sunday Night: Mostly cloudy with snow likely. Lows in the lower 20s to lower 30s.

Monday: Mostly cloudy. Snow showers likely in the morning, then rain and snow showers likely in the afternoon. Highs in the lower 30s to lower 40s.

Monday Night and Tuesday: Rain and snow showers likely. Lows in the mid 20s to lower 30s. Highs in the mid 30s to mid 40s.

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

Wednesday: Mostly cloudy with a chance of rain and snow showers. Highs in the lower 30s to lower 40s.

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

Thursday: Partly cloudy. Slight chance of snow showers in the morning. Highs in the mid 30s to mid 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.