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:

Apr 19 2024 at 8:06 AM PDT

Next Issuance:

Apr 20 2024 at 9:00 AM PDT

Monitor Stage: 8.0 Feet

Flood Stage: 9.0 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 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)

Tonight: Mostly clear early this evening then becoming partly cloudy. Widespread frost after midnight. Lows in the mid 30s to lower 40s. West winds 5 to 10 mph.

Saturday: Sunny. Areas of frost in the morning. Highs in the mid 60s to lower 70s. South winds around 5 mph shifting to the southwest 10 to 15 mph in the afternoon.

Saturday Night: Mostly clear. Lows in the lower to mid 30s. West winds 10 to 20 mph decreasing to 5 to 10 mph after midnight.

Sunday: Sunny in the morning then becoming partly cloudy. Highs in the lower to mid 60s. North winds 5 to 10 mph.

Sunday Night: Partly cloudy in the evening then clearing. Areas of frost after midnight. Lows in the lower to mid 30s. Northwest winds 10 to 15 mph shifting to the north around 5 mph well after midnight.

Monday and Monday Night: Partly cloudy. Highs in the mid 60s to lower 70s. Lows in the lower to mid 30s.

Tuesday: Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs in the lower to mid 60s.

Tuesday Night through Wednesday Night: Partly cloudy. Lows in the lower 30s to lower 40s. Highs in the mid 50s to mid 60s.

Thursday: Mostly cloudy. Slight chance of rain in the morning, then slight chance of rain showers in the afternoon. Highs in the lower 50s to lower 60s.

Thursday Night: Mostly cloudy. Chance of rain showers in the evening, then chance of rain and snow showers after midnight. Lows in the mid 30s to lower 40s.

Friday: Mostly cloudy. Chance of rain and snow showers in the morning, then chance of rain showers in the afternoon. Highs in the lower to mid 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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Verification - Historical Graphical RVF
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