National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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WILLIAMSON RIVER - CHILOQUIN (WMSO3)
Latitude: 42.57º NLongitude: 121.88º WElevation: 4149 Feet
Location: Klamath County in OregonRiver Group: North Coast
Issuance Time: Nov 28 2022 at 1:34 PM PSTNext Issuance: Nov 29 2022 at 9:00 AM PST
Monitor Stage: 8.0 FeetFlood Stage: 9.0 Feet

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

Verification - Historical Graphical RVF
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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
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (ORZ029)
Rest of Tonight: Mostly cloudy early this evening then becoming partly cloudy. A 20 percent chance of snow showers early this evening. Lows 15 to 20. West winds 5 to 10 mph.

Tuesday: Partly cloudy. Highs in the lower to mid 30s. South winds 5 to 10 mph.

Tuesday Night: Mostly cloudy with a 10 percent chance of snow. Lows 15 to 25. South winds 10 to 15 mph.

Wednesday: Mostly cloudy with a 30 percent chance of snow. Highs in the mid 30s to lower 40s. South winds 10 to 20 mph.

Wednesday Night: Snow. Lows in the lower 20s to lower 30s. South winds 10 to 20 mph. Chance of snow 90 percent.

Thursday: Snow in the morning, then chance of snow in the afternoon. Highs in the lower to mid 30s.

Thursday Night: Mostly cloudy. Chance of snow in the evening, then slight chance of snow showers after midnight. Colder. Lows 10 to 15.

Friday: Mostly cloudy with a slight chance of snow showers. Highs around 30.

Friday Night: Mostly cloudy with a chance of snow. Lows 15 to 20.

Saturday: Snow likely. Highs in the lower to mid 30s.

Saturday Night: Mostly cloudy with a chance of snow. Patchy fog after midnight. Lows 15 to 20.

Sunday: Patchy fog in the morning. Mostly cloudy with a slight chance of snow showers. Highs in the lower to mid 30s.

Sunday Night and Monday: Mostly cloudy. Patchy fog. Lows 10 to 15. Highs in the lower to mid 30s.
Impacts - E19 Information
8.0 FeetWater 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 FeetWater exceeds the channel of the river and begins to impact structures along the river and in low-lying areas near the river.
10.0 FeetWidespread 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.