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: Aug 05 2020 at 7:20 AM PDTNext Issuance: Aug 06 2020 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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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)
Tonight: Mostly clear. Isolated thunderstorms early this evening. Haze well after midnight. Some thunderstorms may produce gusty winds and small hail early this evening. Lows in the mid 40s to mid 50s. Northwest winds 10 to 15 mph shifting to the west around 5 mph well after midnight.

Thursday: Sunny. Haze in the morning. Highs in the lower 70s to lower 80s. West winds 5 to 10 mph.

Thursday Night: Clear. Lows in the lower 40s to lower 50s. Northwest winds 10 to 15 mph shifting to the north around 5 mph after midnight.

Friday: Sunny. Highs in the mid 70s to mid 80s. North winds around 5 mph.

Friday Night: Clear. Lows in the mid 40s to lower 50s. Northwest winds 5 to 10 mph.

Saturday: Sunny. Highs in the lower 80s to lower 90s.

Saturday Night through Monday Night: Clear. Lows in the mid 40s to mid 50s. Highs in the mid 80s to mid 90s.

Tuesday: Sunny. Highs in the lower 80s to lower 90s.

Tuesday Night: Partly cloudy. Lows in the mid 40s to mid 50s.

Wednesday: Sunny. Highs in the mid 70s to mid 80s.
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.