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 - KLAMATH AGENCY (WKAO3)
Latitude: 42.74º NLongitude: 121.83º WElevation: 4483 Feet
Location: Klamath County in OregonBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 27 2025 at 7:52 AM PDTNext Issuance: Jun 28 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

Please Note:
1) 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.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (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.
Location Photographs
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Official 7 Day National Weather Service Forecast   (ORZ029)
Today: Sunny. Highs in the lower to mid 80s. North winds around 5 mph.

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

Sunday: Sunny. Highs in the mid 80s to mid 90s. Northeast winds around 5 mph shifting to the southwest late in the afternoon.

Sunday Night: Mostly clear. Lows in the lower 50s to lower 60s. West winds around 5 mph shifting to the north late in the evening and overnight.

Monday: Sunny. A 10 percent chance of thunderstorms in the afternoon. Highs in the lower to mid 90s. North winds around 5 mph.

Monday Night: Mostly cloudy. Slight chance of thunderstorms in the evening. Lows in the mid 50s to lower 60s.

Tuesday and Tuesday Night: Partly cloudy with a slight chance of thunderstorms. Not as warm. Highs in the lower to mid 80s. Lows in the lower 50s to lower 60s.

Wednesday: Sunny in the morning then becoming partly cloudy. Highs in the lower to mid 80s.

Wednesday Night through Independence Day: Mostly clear. Lows in the lower 40s to lower 50s. Highs in the mid 70s to mid 80s.
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.