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:

May 25 2019 at 8:57 AM PDT

Next Issuance:

May 26 2019 at 9:00 AM PDT

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
2017	5,520	7.56	Mar 24, 2017
2016	2,740	5.85	Mar 18, 2016
2015	1,810	4.97	Dec 26, 2014
2014	1,640	4.80	Mar 14, 2014
2013	1,590	4.75	Apr 11, 2013
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)

Today: Rain showers likely this morning, then rain showers and slight chance of thunderstorms this afternoon. Snow level 4100 feet this morning. Highs in the mid 50s to lower 60s. Northeast winds 5 to 10 mph shifting to the north late this afternoon. Chance of precipitation 80 percent.

Tonight: Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower to mid 40s. Northwest winds 5 to 10 mph. Chance of precipitation 70 percent.

Memorial Day: Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower to mid 60s. Northwest winds 10 to 15 mph. Chance of precipitation 30 percent.

Monday Night: Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph.

Tuesday: Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 60s to lower 70s. Northwest winds 5 to 10 mph.

Tuesday Night: Mostly cloudy with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower to mid 40s.

Wednesday: Partly cloudy in the morning, then mostly cloudy with a chance of showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s to lower 70s.

Wednesday Night: Mostly cloudy with a chance of showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower to mid 40s.

Thursday: Partly cloudy in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs in the mid 60s to lower 70s.

Thursday Night: Partly cloudy. Slight chance of thunderstorms in the evening. Lows in the lower to mid 40s.

Friday: Sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the lower to mid 70s.

Friday Night and Saturday: 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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