National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service



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: Jun 26, 2025 at 8:13 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
2025 Water Year Accumulated Volume PlotCSV Ensemble Files (Data in kcfs):  Forecast Group  |  WMSO3

Tabular Monthly Volume Accumulation (1000s of Acre-Feet)
Probability Nov 1
2024
Dec 1
2024
Jan 1
2025
Feb 1
2025
Mar 1
2025
Apr 1
2025
May 1
2025
Jun 1
2025
Jul 1
2025
Aug 1
2025
Sep 1
2025
Oct 1
2025
10% -- -- -- -- -- -- -- -- 816 867 909 950
25% -- -- -- -- -- -- -- -- 816 867 908 949
50%
(Median)
-- -- -- -- -- -- -- -- 816 866 907 949
75% -- -- -- -- -- -- -- -- 816 866 907 947
90% -- -- -- -- -- -- -- -- 816 866 907 947

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (ORZ029)
Today: Sunny. Highs in the mid 70s to lower 80s. West winds 10 to 15 mph.

Tonight: Mostly clear. Lows in the lower 40s to lower 50s. Northwest winds 10 to 15 mph decreasing to around 5 mph after midnight.

Friday: Sunny. Highs in the mid 70s to lower 80s. Northwest winds 10 to 15 mph.

Friday Night: Mostly clear. Lows in the lower 40s to lower 50s. Northwest winds 10 to 15 mph.

Saturday: Sunny. Highs in the lower to mid 80s. North winds around 5 mph.

Saturday Night and Sunday: Clear. Lows in the mid 40s to mid 50s. Highs in the lower 80s to lower 90s.

Sunday Night: Mostly clear. Lows in the mid 50s to lower 60s.

Monday: Sunny in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs in the lower to mid 90s.

Monday Night: Mostly cloudy with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s to lower 60s.

Tuesday and Tuesday Night: Partly cloudy with a slight chance of thunderstorms. Not as warm. Highs in the lower 80s to lower 90s. Lows in the lower 50s to lower 60s.

Wednesday: Sunny. Highs in the lower 80s to lower 90s.