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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
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
2018
1,650
4.81
Mar 26, 2018
 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: Snow. Patchy blowing snow. Snow accumulation of 2 to 4 inches. Highs in the lower to mid 30s. Windy. South winds 15 to 20 mph shifting to the southwest 20 to 30 mph in the late morning and early afternoon, then shifting to the south 15 to 20 mph late this afternoon. Chance of snow 90 percent.

Tonight: Snow in the evening, then snow likely after midnight. Patchy blowing snow through the night. Snow accumulation of 2 to 4 inches. Lows in the lower to mid 20s. Southwest winds 10 to 20 mph. Chance of snow 80 percent.

Saturday: Snow likely in the morning, then chance of snow in the afternoon. Patchy blowing snow through the day. Snow accumulation of 1 to 2 inches. Highs in the mid 20s to lower 30s. Southwest winds 10 to 20 mph. Chance of snow 70 percent.

Saturday Night: Mostly cloudy with a 50 percent chance of snow. Lows 15 to 20. Southwest winds 10 to 15 mph shifting to the south around 5 mph late in the evening and overnight.

Sunday: Mostly cloudy with a 40 percent chance of snow. Highs in the lower to mid 30s. Southwest winds 10 to 15 mph.

Sunday Night: Mostly cloudy. Chance of snow in the evening, then chance of snow showers after midnight. Lows 15 to 20.

Monday: Mostly cloudy. Chance of snow showers in the morning, then snow showers likely in the afternoon. Highs in the lower to mid 30s.

Monday Night and Tuesday: Mostly cloudy with a chance of snow showers. Lows in the lower to mid 20s. Highs in the lower 30s to lower 40s.

Tuesday Night through Wednesday Night: Mostly cloudy with a chance of snow showers. Lows in the lower to mid 20s. Highs in the mid 30s to lower 40s.

Thursday: Mostly cloudy in the morning then becoming partly cloudy. Slight chance of snow showers. 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.