CNRFC - Hydrology - Observed River/Reservoir Conditions

WILLIAMSON RIVER - CHILOQUIN (WMSO3)

Latitude: 42.57º N	Longitude: 121.88º W	Elevation: 4149 Feet
Location: Klamath County in Oregon		Bulletin Group: North Coast		River Group: Klamath

Monitor Stage: 8.0 Feet

Flood Stage: 9.0 Feet

Plot Type:

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
2022	1,040	4.16	Jan 9, 2022
2021	670	3.68	Apr 28, 2021
2020	1,120	4.26	Jan 29, 2020
2019	4,000	6.57	Apr 14, 2019
2018	1,650	4.81	Mar 26, 2018
Historical High Stage/Flow Events (Period of Record - April 1917 to Present) - Ranked by Flow
1997	17,100	10.27	Jan 5, 1997
1964	16,100	10.56	Feb 26, 1964
1982	10,200	8.45	Feb 24, 1982
1970	8,010	7.53	Feb 27, 1970
1943	7,660	7.29	Apr 1, 1943

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
8.0 Feet	Water is nearing many structures along and near the river. Water is close to structures at the Water Wheel Campground near US Highway 97.
9.0 Feet	Water exceeds the channel of the river and begins to impact structures along the river and in low-lying areas near the river.
10.0 Feet	Widespread flooding is occurring along the Williamson River from the US Highway 97 bridge downstream to Upper Klamath Lake. Widespread farm land is flooded and numerous structures as well.

Official 7 Day National Weather Service Forecast (ORZ029)

Tonight: Mostly clear with a 30 percent chance of thunderstorms. Lows in the mid 30s to mid 40s. Northwest winds 10 to 15 mph decreasing to around 5 mph well after midnight.

Wednesday: Sunny. Highs in the mid 60s to lower 70s. Northwest winds 5 to 10 mph.

Wednesday Night: Clear. Lows in the mid 30s to lower 40s. Northwest winds 10 to 15 mph.

Thursday: Sunny. A 30 percent chance of thunderstorms in the afternoon. Highs in the mid 60s to lower 70s. Northwest winds 5 to 10 mph.

Thursday Night: Partly cloudy with a 10 percent chance of thunderstorms in the evening, then clear after midnight. Lows in the mid 30s to mid 40s. Northwest winds 10 to 15 mph shifting to the north around 5 mph well after midnight.

Friday through Saturday: Clear. Highs in the lower 70s to lower 80s. Lows in the mid 30s to mid 40s.

Saturday Night: Clear. Lows in the mid 40s to lower 50s.

Sunday: Sunny. Highs in the lower to mid 80s.

Sunday Night: Partly cloudy. Slight chance of thunderstorms in the evening. Lows around 50.

Monday and Monday Night: Partly cloudy with a slight chance of thunderstorms. Highs in the lower to mid 80s. Lows in the lower to mid 50s.

Tuesday: Sunny in the morning, then mostly cloudy with a chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower to mid 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.

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