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: Jun 23, 2025 at 8:23 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)
Tonight: Clear. Lows 54 to 62. Southeast winds up to 10 mph.

Wednesday: Sunny. Highs around 92. Southeast winds up to 10 mph.

Wednesday Night: Clear. Lows 59 to 65. Southeast winds up to 10 mph with gusts to around 20 mph.

Thursday: Sunny. Highs around 93. Light winds becoming south up to 10 mph in the afternoon.

Thursday Night: Clear. Lows 62 to 68. South winds up to 10 mph shifting to the east after midnight.

Friday: Sunny. Highs around 96.

Friday Night: Clear. Lows 64 to 70.

Saturday through Tuesday: Clear. Highs around 99. Lows 61 to 70.