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		River Group: North Coast

Monitor Stage: 8.0 Feet

Flood Stage: 9.0 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
2019	4,000	6.57	Apr 14, 2019
2018	1,650	4.81	Mar 26, 2018
2017	5,520	7.56	Mar 24, 2017
2016	2,740	5.85	Mar 18, 2016
2015	1,810	4.97	Dec 26, 2014
Historical High Stage/Flow Events (Period of Record - April 1917 to Present)
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

Official 7 Day National Weather Service Forecast (ORZ029)

Rest of Today: Mostly cloudy. Rain and snow showers likely late this morning, then chance of rain showers this afternoon. Chance of snow showers late this afternoon. Snow level 5000 feet rising to 5500 feet this afternoon. Little or no new snow accumulation. Highs in the mid 40s to lower 50s. Southwest winds 10 to 20 mph. Chance of precipitation 60 percent.

Tonight: Rain and snow showers likely. Snow level 4500 feet lowering to 3800 feet after midnight. Snow accumulation up to 1 inch. Lows in the lower to mid 30s. West winds 10 to 15 mph decreasing to around 5 mph after midnight. Chance of precipitation 60 percent.

Sunday: Rain and snow showers in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Some thunderstorms may produce small hail in the afternoon. Snow level 3700 feet rising to 4600 feet in the afternoon. Snow accumulation of 1 to 2 inches. Highs in the lower to mid 40s. Southwest winds 5 to 10 mph. Chance of precipitation 90 percent.

Sunday Night: Mostly cloudy. Rain and snow showers likely in the evening, then chance of snow showers after midnight. Snow level 4400 feet in the evening. Lows in the mid 20s to lower 30s. West winds 5 to 10 mph. Chance of precipitation 70 percent.

Monday: Mostly cloudy. Slight chance of snow showers in the morning, then chance of rain and snow showers in the afternoon. Snow level 3900 feet in the afternoon. Highs in the lower to mid 40s. West winds 5 to 10 mph. Chance of precipitation 30 percent.

Monday Night and Tuesday: Partly cloudy. Widespread frost. Lows in the mid 20s. Highs in the mid 40s to mid 50s.

Tuesday Night and Wednesday: Partly cloudy. Warmer. Areas of frost. Lows in the lower to mid 30s. Highs in the lower 60s to lower 70s.

Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows around 40.

Thursday: Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower to mid 70s.

Thursday Night and Friday: Partly cloudy. Lows in the lower to mid 40s. Highs in the lower to mid 70s.

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.

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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