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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
2023
3,630
6.32
Apr 16, 2023
2022
1,040
4.16
Jan 9, 2022
2021
670
3.68
Apr 28, 2021
2020
1,120
4.26
Jan 29, 2020
2019
4,000
6.57
Apr 14, 2019
 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: Mostly cloudy then becoming partly cloudy early This Afternoon then becoming sunny. Highs in the lower to mid 80s. North winds around 5 mph shifting to the west This Afternoon.

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

Friday: Sunny. Highs in the mid 80s to lower 90s. North winds 5 to 10 mph shifting to the west late in the afternoon.

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

Saturday: Sunny. Highs in the mid 80s to lower 90s. North winds around 5 mph shifting to the northeast late in the morning, then shifting to the southwest in the afternoon.

Saturday Night and Sunday: Clear. Lows in the lower to mid 50s. Highs in the lower 80s to lower 90s.

Sunday Night through Tuesday Night: Clear. Lows in the mid 40s to lower 50s. Highs in the lower 80s to lower 90s.

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.