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:

Sep 21 2023 at 7:53 AM PDT

Next Issuance:

Sep 22 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
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)

Today: Sunny this morning, then partly cloudy with a 10 percent chance of rain showers this afternoon. Widespread frost early this morning, then areas of frost late this morning. Haze in the late morning and afternoon. Highs in the mid 50s to lower 60s. North winds 10 to 15 mph.

Tonight: Partly cloudy with a 10 percent chance of rain showers in the evening, then mostly clear after midnight. Areas of frost after midnight. Lows in the mid 20s to mid 30s. North winds 10 to 15 mph decreasing to around 5 mph after midnight.

Friday: Sunny. Widespread frost in the morning. Highs in the mid 60s to lower 70s. East winds around 5 mph shifting to the south in the afternoon.

Friday Night: Mostly clear in the evening then becoming partly cloudy. Haze after midnight. Lows in the mid 30s to lower 40s. Southwest winds 5 to 10 mph shifting to the southeast well after midnight.

Saturday: Partly cloudy. Areas of frost in the morning. Highs in the mid 60s to lower 70s. Southeast winds 5 to 10 mph shifting to the southwest 10 to 15 mph late in the afternoon.

Saturday Night: Mostly cloudy. Lows in the lower to mid 40s.

Sunday: Mostly cloudy with a slight chance of rain showers. Highs in the mid 50s to mid 60s.

Sunday Night: Mostly cloudy with a chance of rain showers. Lows in the lower 40s to lower 50s.

Monday: Mostly cloudy with a chance of rain showers. Highs in the mid 50s to lower 60s.

Monday Night: Rain showers likely. Colder. Lows in the mid 30s to mid 40s.

Tuesday: Mostly cloudy with a chance of rain showers. Highs in the mid 50s to lower 60s.

Tuesday Night: Mostly cloudy in the evening then becoming partly cloudy. Chance of rain showers. Colder. Lows in the lower 30s to lower 40s.

Wednesday: Partly cloudy in the morning then becoming mostly cloudy. Slight chance of rain showers. Highs in the mid 50s to mid 60s.

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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