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: Apr 17 2021 at 8:40 AM PDTNext Issuance: Apr 18 2021 at 9:00 AM PDT
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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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2019
4,000
6.57
Apr 14, 2019
2018
1,650
4.81
Mar 26, 2018
2017
5,520
7.56
Mar 24, 2017
2016
2,740
5.85
Mar 18, 2016
2015
1,810
4.97
Dec 26, 2014
 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
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (ORZ029)
Today: Sunny. Highs in the lower to mid 70s. Northeast winds around 5 mph early this morning becoming light, then becoming west 5 to 10 mph this afternoon.

Tonight: Clear. Lows in the lower to mid 30s. Northwest winds 10 to 15 mph decreasing to around 5 mph well after midnight.

Monday: Sunny in the morning then becoming partly cloudy. Highs in the mid 60s to lower 70s. North winds 5 to 10 mph.

Monday Night: Partly cloudy. Lows in the mid 30s to lower 40s. North winds 5 to 10 mph.

Tuesday: Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs in the lower to mid 60s. North winds 5 to 10 mph.

Tuesday Night: Partly cloudy. Lows in the lower to mid 30s.

Wednesday through Thursday Night: Mostly clear. Highs in the lower 60s to lower 70s. Lows in the lower to mid 30s.

Friday: Partly cloudy. Highs in the mid 60s to lower 70s.

Friday Night: Mostly cloudy. Slight chance of rain after midnight. Lows in the mid 30s to lower 40s.

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