CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

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

Issuance Time:

Dec 07 2024 at 8:12 AM PST

Next Issuance:

Dec 08 2024 at 9:00 AM PST

Action/Monitor: 8.0 Feet

Minor Flood: 9.0 Feet

Moderate Flood: 10.0 Feet

Major Flood: 11.0 Feet

Plot Type:

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023	3,630	6.32	Apr 16, 2023
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
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
10.0 Feet	Widespread flooding is occurring along the Williamson River from the Highway 97 bridge downstream to Upper Klamath Lake. Widespread farm land flooding is occurring. Numerous structures are flooded.
9.0 Feet	The Williamson River is at flood stage. Water exceeds the channel of the river and begins to impact structures along the river and in low-lying areas near the river.
8.0 Feet	The Williamson River is near bankfull stage. Water is nearing many structures along and enar the river. Water is close to structures at the Water Wheel Campground near Highway 97.

Official 7 Day National Weather Service Forecast (ORZ029)

Rest of Today: Mostly cloudy. A 30 percent chance of rain in the late morning and afternoon. Highs in the mid 40s. South winds 5 to 10 mph shifting to the west late this afternoon.

Tonight: Mostly cloudy with a 50 percent chance of rain in the evening, then partly cloudy after midnight. Snow level 4800 feet in the evening. Lows in the lower 20s to lower 30s. West winds 5 to 10 mph shifting to the north well after midnight.

Sunday: Partly cloudy in the morning then clearing. Highs in the mid 30s to lower 40s. Southeast winds around 5 mph shifting to the southwest early in the afternoon, then shifting to the northwest late in the afternoon.

Sunday Night: Mostly clear. Lows 15 to 20. Northeast winds around 5 mph.

Monday: Partly cloudy in the morning then becoming sunny. Highs in the mid 30s to lower 40s. East winds around 5 mph.

Monday Night: Mostly clear. Lows 10 to 20.

Tuesday and Tuesday Night: Mostly cloudy. Highs in the mid 30s to lower 40s. Lows 15 to 25.

Wednesday: Mostly cloudy with a slight chance of snow in the morning, then partly cloudy with a chance of rain and snow in the afternoon. Highs in the lower to mid 40s.

Wednesday Night: Mostly cloudy with a chance of rain and snow. Lows in the mid 20s to lower 30s.

Thursday: Mostly cloudy. Rain and snow likely in the morning, then chance of rain and snow in the afternoon. Highs around 40.

Thursday Night: Mostly cloudy. Chance of rain and snow in the evening, then chance of snow after midnight. Lows in the mid 20s to lower 30s.

Friday: Mostly cloudy. Chance of snow in the morning, then rain and snow likely in the afternoon. Highs in the mid 30s to lower 40s.

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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Verification - Historical Graphical RVF
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