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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 17 2022 at 8:47 AM PDTNext Issuance: Aug 18 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)
Tonight: Mostly cloudy with a 30 percent chance of thunderstorms. Lows in the mid 50s to mid 60s. Northwest winds around 5 mph shifting to the southwest well after midnight.

Thursday: Mostly cloudy with a 30 percent chance of thunderstorms. Highs in the mid 80s to lower 90s. Southwest winds 5 to 10 mph shifting to the northwest late in the afternoon.

Thursday Night: Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 50s to lower 60s. Northwest winds 5 to 10 mph.

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

Friday Night: Mostly clear. Lows in the lower to mid 50s. Northwest winds 10 to 15 mph decreasing to around 5 mph after midnight.

Saturday and Saturday Night: Mostly clear. Highs in the mid 80s to mid 90s. Lows in the lower 50s to lower 60s.

Sunday and Sunday Night: Partly cloudy. Highs in the mid 80s to lower 90s. Lows in the lower 50s to lower 60s.

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

Tuesday Night and Wednesday: Mostly clear. Lows in the lower 50s to lower 60s. Highs in the mid 80s to mid 90s.
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.