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 OregonBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Mar 03 2024 at 9:01 AM PSTNext Issuance: Mar 04 2024 at 9:00 AM PST
Monitor Stage: 8.0 FeetFlood Stage: 9.0 Feet

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
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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Year:  
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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
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
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.
Official 7 Day National Weather Service Forecast   (ORZ029)
Today: Chance of snow early this morning, then snow likely in the late morning and afternoon. Snow accumulation of 1 to 2 inches. Highs around 30. Southwest winds 10 to 15 mph. Chance of snow 70 percent.

Tonight: Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Snow accumulation up to 1 inch. Lows 15 to 20. Southwest winds 10 to 15 mph. Chance of snow 70 percent.

Monday: Cloudy. Chance of snow in the morning, then snow in the afternoon. Snow accumulation of 2 to 3 inches. Highs in the lower to mid 30s. South winds 10 to 15 mph. Chance of snow 80 percent.

Monday Night: Snow in the evening, then snow likely after midnight. Lows in the mid 20s. South winds 10 to 20 mph. Chance of snow 90 percent.

Tuesday: Snow likely. Highs in the mid 30s to lower 40s. Southwest winds 15 to 20 mph decreasing to 5 to 10 mph in the late morning and afternoon. Chance of snow 70 percent.

Tuesday Night: Mostly cloudy with a chance of snow. Colder. Lows 15 to 20.

Wednesday: Partly cloudy with a slight chance of snow. Highs in the mid 30s to lower 40s.

Wednesday Night: Partly cloudy. Lows 15 to 20.

Thursday: Mostly cloudy in the morning then becoming partly cloudy. Slight chance of snow. Highs in the mid 30s to lower 40s.

Thursday Night and Friday: Partly cloudy. Lows 15 to 20. Highs in the mid 30s to mid 40s.

Friday Night: Mostly cloudy with a chance of snow. Lows in the mid 20s to lower 30s.

Saturday: Mostly cloudy. Chance of snow in the morning, then chance of rain and snow in the afternoon. Highs in the lower to mid 40s.
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.