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: Jul 01, 2025 at 9:20 AM PDT
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.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  CLSC1

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What information is considered in this forecast?
Verification / Historical Plots
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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: Sunny. Highs around 98. Southeast winds up to 10 mph.

Tonight: Clear. Lows 62 to 70. South winds up to 10 mph in the evening becoming light.

Wednesday: Sunny. Highs around 98. South winds up to 10 mph.

Wednesday Night: Clear. Lows 63 to 69. South winds up to 10 mph.

Thursday: Mostly sunny. Highs around 92. Southeast winds up to 10 mph.

Thursday Night: Mostly clear. Lows 58 to 64.

Independence Day: Sunny. Highs around 88.

Friday Night through Monday: Clear. Lows 56 to 66. Highs 88 to 95.