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
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.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
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
2012
2,290
5.44
May 01, 2012
 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 with a slight chance of rain showers. Lows in the lower 30s to lower 40s. Southwest winds 5 to 10 mph shifting to the southeast well after midnight.

Monday: Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 60s to lower 70s. East winds around 5 mph shifting to the northeast in the afternoon.

Monday Night: Clear. Lows in the lower 30s to lower 40s. Northeast winds 5 to 10 mph.

Tuesday: Sunny. Highs in the mid 60s to lower 70s. Northeast winds around 5 mph.

Tuesday Night: Clear. Lows in the lower 30s to lower 40s. Northeast winds around 5 mph.

Wednesday through Thursday: Mostly clear. Highs in the mid 60s to lower 70s. Lows in the lower 30s to lower 40s.

Thursday Night through Sunday: Clear. Lows in the lower to mid 30s. Highs in the lower 60s to lower 70s.
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.