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
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
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)
Rest of Today: Cloudy. A 10 percent chance of snow late this afternoon. Highs in the mid 30s to lower 40s. Southeast winds 10 to 20 mph. Gusts up to 35 mph this afternoon.

Tonight: Snow. Snow accumulation of 3 to 6 inches. Lows in the mid 20s to lower 30s. Breezy. Southeast winds 15 to 25 mph with gusts to around 40 mph. Chance of snow 90 percent.

Tuesday: Snow in the morning, then snow likely in the afternoon. Snow accumulation of 2 to 4 inches. Highs in the mid 30s to lower 40s. Breezy. South winds 15 to 25 mph with gusts to around 40 mph. Chance of snow 90 percent.

Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow showers. Lows in the lower to mid 20s. Southeast winds 10 to 20 mph decreasing to 5 to 10 mph well after midnight.

Wednesday: Mostly cloudy. A 30 percent chance of snow showers in the afternoon. Highs in the lower to mid 40s. East winds 5 to 10 mph shifting to the south in the afternoon.

Wednesday Night: Partly cloudy. Lows in the lower to mid 20s.

Thursday: Mostly cloudy. Slight chance of snow showers in the afternoon. Highs in the lower to mid 40s.

Thursday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 20s.

Friday: Mostly cloudy. Slight chance of snow in the afternoon. Highs in the lower to mid 40s.

Friday Night: Mostly cloudy. Slight chance of rain and snow in the evening, then chance of snow after midnight. Lows in the mid 20s to lower 30s.

Saturday: Snow likely in the morning, then rain and snow in the afternoon. Highs in the lower to mid 40s.

Saturday Night: Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Lows in the lower to mid 20s.

Sunday: Mostly cloudy. Chance of snow in the morning, then snow in the afternoon. 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.