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: Dec 10 2018 at 1:42 PM PSTNext Issuance: Dec 11 2018 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
2017
5,520
7.56
Mar 24, 2017
2016
2,740
5.85
Mar 18, 2016
2015
1,810
4.97
Dec 26, 2014
2014
1,640
4.80
Mar 14, 2014
2013
1,590
4.75
Apr 11, 2013
 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 cloudy. Patchy freezing fog after midnight. Slight chance of snow well after midnight. Lows 15 to 25. Northeast winds around 5 mph shifting to the southeast late this evening and overnight.

Tuesday: Cloudy. Rain and snow likely in the morning, then chance of rain in the afternoon. Snow level 5500 feet in the afternoon. Little or no snow accumulation. Highs in the mid 30s to lower 40s. South winds 10 to 15 mph. Chance of precipitation 60 percent.

Tuesday Night: Rain and snow in the evening, then rain and snow showers likely after midnight. Snow level 5500 feet lowering to 3200 feet after midnight. Snow accumulation up to 1 inch. Lows in the mid 20s to lower 30s. Breezy. West winds 15 to 25 mph. Chance of precipitation 80 percent.

Wednesday: Mostly cloudy. Slight chance of snow showers in the morning. Highs in the mid 30s to lower 40s. West winds 10 to 15 mph shifting to the southwest around 5 mph in the afternoon.

Wednesday Night: Mostly cloudy. Lows 15 to 25. Southeast winds around 5 mph.

Thursday: Mostly cloudy. Highs in the lower to mid 40s.

Thursday Night: Partly cloudy. Lows in the mid 20s to lower 30s.

Friday: Rain and snow. Highs in the mid 30s to lower 40s.

Friday Night: Mostly cloudy. Chance of rain and snow showers in the evening, then chance of snow showers after midnight. Lows in the lower to mid 20s.

Saturday: Mostly cloudy. Highs in the mid 30s to lower 40s.

Saturday Night: Mostly cloudy. Rain and snow likely in the evening, then chance of rain and snow after midnight. Lows in the mid 20s to lower 30s.

Sunday: Rain and snow. Highs in the mid 30s to lower 40s.

Sunday Night and Monday: Rain and snow likely. Lows in the mid 20s to lower 30s. Highs in the mid 30s to lower 40s.
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.