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)

Rest of Tonight: Mostly cloudy. Rain early this evening. Snow through the night. Chance of rain after midnight. Snow level 6500 feet rising to 7000 feet after midnight. No snow accumulation. Lows around 30. Southeast winds around 5 mph. Chance of precipitation 80 percent.

Monday: Mostly cloudy. A 20 percent chance of rain and snow in the morning. Snow level 7000 feet in the morning. Highs in the lower to mid 40s. Southeast winds around 5 mph shifting to the southwest early in the afternoon, then shifting to the north late in the afternoon.

Monday Night: Partly cloudy. Patchy fog after midnight. Lows in the lower to mid 20s. North winds around 5 mph.

Tuesday: Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the lower to mid 40s. Northeast winds around 5 mph.

Tuesday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 20s. East winds around 5 mph.

Wednesday through Friday Night: Mostly cloudy. Highs in the lower 40s to lower 50s. Lows in the lower 20s to lower 30s.

Saturday: Partly cloudy in the morning then clearing. Highs in the mid 40s to lower 50s.

Saturday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s to lower 30s.

Sunday: Partly cloudy. Slight chance of rain and snow in the morning, then slight chance of rain in the afternoon. Highs in the mid 40s to lower 50s.

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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