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: May 22 2017 at 8:01 AM PDTNext Issuance: May 23 2017 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
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
2011
2,570
5.70
Apr 24, 2011
 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: Clear. Lows in the mid 40s to mid 50s. Light winds becoming north around 5 mph late this evening and overnight.

Tuesday: Sunny. Highs in the lower to mid 80s. East winds around 5 mph shifting to the south early in the afternoon, then shifting to the west late in the afternoon.

Tuesday Night: Mostly clear. Lows in the lower 40s to lower 50s. Northwest winds 5 to 10 mph.

Wednesday: Sunny. Highs in the lower to mid 70s. Northwest winds 5 to 10 mph.

Wednesday Night: Mostly clear. Lows in the lower 30s to lower 40s. Northwest winds 10 to 15 mph decreasing to around 5 mph after midnight.

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

Friday Night: Mostly clear. Lows in the lower to mid 40s.

Saturday through Sunday Night: Mostly clear with a slight chance of thunderstorms. Highs in the lower 70s to lower 80s. Lows in the lower 40s to lower 50s.

Memorial Day: Sunny in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s to lower 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.