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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 07 2022 at 8:02 AM PDTNext Issuance: Aug 08 2022 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
2021
670
3.68
Apr 28, 2021
2020
1,120
4.26
Jan 29, 2020
2019
4,000
6.57
Apr 14, 2019
2018
1,650
4.81
Mar 26, 2018
2017
5,520
7.56
Mar 24, 2017
 Historical High Stage/Flow Events (Period of Record - April 1917 to Present) - Ranked by Flow
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 this morning then becoming partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower to mid 90s. East winds around 5 mph shifting to the south 10 to 15 mph this afternoon.

Tonight: Mostly cloudy with a chance of showers and slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Lows in the lower 50s to lower 60s. Southwest winds 15 to 20 mph decreasing to around 5 mph late in the evening, then shifting to the south after midnight shifting to the east well after midnight. Chance of precipitation 30 percent.

Tuesday: Sunny in the morning, then partly cloudy with a 10 percent chance of thunderstorms in the afternoon. Highs in the mid 80s to lower 90s. East winds around 5 mph shifting to the south 10 to 15 mph in the afternoon.

Tuesday Night: Partly cloudy. A 10 percent chance of thunderstorms in the evening. Lows in the mid 40s to mid 50s. South winds 15 to 20 mph decreasing to 5 to 10 mph late in the evening and overnight.

Wednesday: Sunny. Highs in the lower to mid 80s. South winds around 5 mph increasing to 10 to 15 mph in the afternoon.

Wednesday Night: Clear. Lows in the mid 40s to lower 50s.

Thursday through Sunday: Mostly clear. Highs in the lower 80s to lower 90s. Lows in the mid 40s to mid 50s.
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.