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



SACRAMENTO RIVER - MOULTON WEIR (CLSC1)
Latitude: 39.34º NLongitude: 122.02º WElevation: 76 Feet
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jan 09, 2026 at 1:44 PM PST
Action/Monitor: 76.2 FeetMinor Flood: 83.8 FeetModerate Flood: 87.6 FeetMajor Flood: 88.6 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 | CLSC1
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Location Photographs

ESRI™ Locator Map
Flood Impacts
88.6 FeetStages above 89.2 feet result in major flooding of areas outside the levees. Top of levee.
76.2 FeetMoulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed.
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Areas of frost and patchy dense fog in the morning. Mostly cloudy. Highs around 53. Light winds.

Tonight: Mostly cloudy. Lows 36 to 42. Light winds.

Sunday: Mostly cloudy in the morning then becoming partly cloudy. Highs around 56. Light winds.

Sunday Night: Mostly clear. Patchy fog. Lows 35 to 40. Light winds.

Monday: Patchy fog and frost in the morning. Mostly sunny. Highs 50 to 58. Light winds.

Monday Night: Mostly clear. Lows 36 to 42.

Tuesday: Mostly sunny. Highs 53 to 61.

Tuesday Night: Mostly clear. Patchy fog. Lows 39 to 45.

Wednesday through Friday: Mostly clear. Highs 56 to 66. Lows 39 to 48.