CNRFC - Hydrology - Observed River/Reservoir Conditions

KLAMATH RIVER - ORLEANS (ONSC1)

Latitude: 41.30º N	Longitude: 123.54º W	Elevation: 354 Feet
Location: Humboldt County in California		River Group: North Coast

Monitor Stage: 32.0 Feet

Flood Stage: 38.0 Feet

Observed Data Credit
	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
2025*	84,700	23.94	Dec 29, 2024
2024*	51,900	18.67	Jan 13, 2024
2023*	67,800	21.49	Dec 27, 2022
2022*	21,100	11.67	Jan 7, 2022
2021*	45,300	17.33	Jan 13, 2021
Historical High Stage/Flow Events (Period of Record - Oct 1927 to Present) - Ranked by Flow
1965*	307,000	76.50	Dec 22, 1964
1974*	279,000	37.24	Jan 16, 1974
1986*	278,000	37.16	Feb 18, 1986
1997*	258,000	37.79	Jan 01, 1997
2006*	213,000	34.80	Dec 30, 2005
1956*	202,000	59.40	Dec 22, 1955
* Discharge affected by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ105)

Today: Mostly cloudy. Rain likely in the morning. Highs 52 to 67.

Tonight: Partly cloudy. Lows 36 to 46.

Wednesday: Partly cloudy in the morning then becoming mostly cloudy. Highs 53 to 68.

Wednesday Night: Mostly cloudy. Patchy valley fog. Slight chance of rain. Lows 39 to 49.

Thursday: Mostly sunny. Highs 56 to 71.

Thursday Night and Friday: Partly cloudy. Lows 39 to 49. Highs 59 to 74.

Friday Night: Mostly clear. Lows 40 to 50.

Saturday: Mostly sunny. Highs 64 to 79.

Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Slight chance of rain. Lows 42 to 52.

Sunday: Mostly cloudy. Slight chance of rain. Highs 57 to 72.

Sunday Night: Mostly cloudy. Patchy valley fog. Lows 41 to 51.

Monday: Mostly cloudy. Slight chance of rain. Highs 55 to 70.

Flood Impacts
43.0 Feet	Flood waters are likely to cover Highway 96 in numerous locations and will threaten residences and businesses in and around Orleans including Sandy Bar Cabins, Riverside Trailer Park and the downtown area. All persons in the vicinity of the river should take appropriate action and move to higher ground if necessary.
40.0 Feet	Extensive flooding of areas south of Highway 96 near Orleans, Highway 96 north of the bridge at Orleans, at Ishi Pishi Bar, and near Slate Creek. Flooding of the firehouse and other buildings on the southwest side of Orleans is expected. Flooding of Highway 96 in Orleans is possible.
38.0 Feet	Extensive flooding of low lying areas south of Highway 96 near Orleans and of the highway itself north of the bridge at Orleans. Flooding is likely near Ishi Pishi Bar and Slate Creek. Water may enter the fire house and other buildings on the southwest side of Orleans.
37.0 Feet	Flooding in low lying areas south of Highway 96 near Orleans and on the highway itself north of the bridge at Orleans. There may also be flooding of Highway 96 at Ishi Pishi Bar.
35.0 Feet	Flooding is likely in lower areas south of Highway 96 near Orleans and on the highway itself north of the bridge at Orleans. Flooding is possible on Highway 96 near Ishi Pishi Bar.
34.0 Feet	Flooding is possible along Highway 96 north of the bridge at Orleans and in adjacent low-lying areas.

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 Eureka 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.

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