CNRFC - Hydrology - River Guidance - Graphical RVF

WILLIAMSON RIVER - CHILOQUIN (WMSO3)

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

Issuance Time:

Mar 20 2023 at 1:54 PM PDT

Next Issuance:

Mar 21 2023 at 9:00 AM PDT

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
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
2017	5,520	7.56	Mar 24, 2017
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

Official 7 Day National Weather Service Forecast (ORZ029)

Tonight: Mostly clear early this evening then becoming partly cloudy. Lows 15 to 25. West winds 5 to 10 mph shifting to the east late this evening and overnight.

Tuesday: Partly cloudy. A 10 percent chance of snow showers in the afternoon. Highs in the lower 40s to lower 50s. Northeast winds 10 to 15 mph with gusts to around 30 mph.

Tuesday Night: Mostly cloudy. Slight chance of rain and snow showers in the evening, then slight chance of snow showers after midnight. Snow level 3600 feet in the evening. Lows in the lower to mid 20s. Northeast winds 10 to 15 mph shifting to the north around 5 mph well after midnight. Chance of precipitation 20 percent.

Wednesday: 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 mid 40s. Northwest winds 10 to 15 mph. Chance of precipitation 50 percent.

Wednesday Night: Mostly cloudy. Chance of rain and snow showers in the evening, then slight chance of snow showers after midnight. Snow level 4100 feet in the evening. Lows in the mid 20s to lower 30s. West winds 10 to 15 mph decreasing to around 5 mph well after midnight. Chance of precipitation 30 percent.

Thursday: Mostly cloudy. Slight chance of snow in the morning, then rain and snow likely in the afternoon. Highs in the lower to mid 40s.

Thursday Night and Friday: Mostly cloudy with snow likely. Lows in the lower to mid 20s. Highs in the mid 30s to mid 40s.

Friday Night and Saturday: Mostly cloudy with a chance of snow. Lows 15 to 20. Highs in the lower 30s to lower 40s.

Saturday Night: Partly cloudy. Slight chance of snow in the evening. Lows 15 to 20.

Sunday through Monday: Mostly cloudy with a chance of snow. Highs in the mid 30s to lower 40s. Lows 15 to 25.

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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