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



SACRAMENTO RIVER - COLUSA WEIR (CLAC1)
Latitude: 39.24º NLongitude: 121.99º WElevation: 62 Feet
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: May 09, 2025 at 8:27 AM PDT
Action/Monitor: 60.9 FeetMinor Flood: 70.1 FeetModerate Flood: 72.9 FeetMajor Flood: 73.9 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Short-Range Peak Exceedance Plot   Product Info.   CSV Ensemble Files (Data in kcfs): Forecast Group | CLAC1
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Location Photographs

ESRI™ Locator Map
Flood Impacts
73.9 FeetStages above 73.9 feet result in major flooding. Top of levee.
60.9 FeetColusa Weir crest elevation. Overflow begins into the Sutter Bypass.
Official 7 Day National Weather Service Forecast   (CAZ016)
Tonight: Mostly clear. Lows 57 to 63. Southeast winds up to 10 mph.

Saturday: Sunny. Highs 89 to 95. Light winds becoming south up to 10 mph with gusts to around 20 mph in the afternoon.

Saturday Night: Mostly clear. Lows 54 to 60. South winds 10 to 15 mph.

Sunday: Sunny. Not as warm. Highs 77 to 82. South winds up to 15 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon.

Sunday Night: Mostly clear. A slight chance of rain showers after midnight. Lows around 50. South winds 10 to 20 mph with gusts to around 30 mph.

Monday: Mostly cloudy with a chance of rain showers. Highs 62 to 70.

Monday Night: Partly cloudy with a slight chance of rain showers. Lows around 49.

Tuesday and Tuesday Night: Mostly clear. Highs 69 to 74. Lows around 50.

Wednesday and Wednesday Night: Clear. Highs 76 to 81. Lows around 52.

Thursday through Friday: Mostly clear. Highs 82 to 88. Lows around 55.