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SACRAMENTO RIVER - MOULTON WEIR (CLSC1)
Latitude:
39.34º N		Longitude:
122.02º W		Elevation:
76 Feet
Location: Colusa County in CA
River Group: Upper Sacramento
Issuance Time: Dec 07 2025 at 7:43 AM PST
Action/
Monitor:
76.2 Ft		Minor
Flood:
83.8 Ft		Moderate
Flood:
87.6 Ft		Major
Flood:
88.6 Ft
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)
Tonight: Mostly cloudy in the evening then becoming partly cloudy. Patchy fog in the late evening and overnight. Lows around 42. Light winds.

Monday: Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Highs 49 to 59. Light winds.

Monday Night: Partly cloudy. Lows around 42. Light winds.

Tuesday: Mostly cloudy in the morning then becoming partly cloudy. Highs 55 to 61. Light winds.

Tuesday Night: Partly cloudy. Lows 43 to 48. Light winds.

Wednesday: Partly cloudy. Highs 57 to 67.

Wednesday Night: Mostly clear. Lows 42 to 48.

Thursday: Partly cloudy. Highs 57 to 67.

Thursday Night through Friday Night: Mostly clear. Lows 41 to 47. Highs 58 to 66.

Saturday: Partly cloudy. Highs 57 to 65.

Saturday Night: Mostly clear. Lows 41 to 46.

Sunday: Mostly cloudy. Highs 56 to 62.

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.