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



MORMON SLOUGH - BELLOTA (MSGC1)
Latitude: 38.05º NLongitude: 121.01º WElevation: 130 Feet
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Jul 08, 2025 at 10:07 AM PDT
Action/Monitor: 16.0 FeetMinor Flood: 22.0 FeetModerate Flood: 30.9 FeetMajor Flood: 31.9 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 | MSGC1
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Location Photographs

ESRI™ Locator Map
Flood Impacts
31.9 FeetTop of Levee right bank levee. Water will overflow toward Bellota and Highway 26.
23.0 FeetDanger Stage
22.0 FeetFlood Stage
16.0 FeetMonitor Stage - Bike trail within lower Calaveras River channel flooded.
14.2 FeetUOP research within the Calaveras River channel is affected by water levels.
9.0 FeetWater rises out of the pilot channel but not yet on the levee slopes.
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Sunny. Highs 88 to 94. Northwest winds up to 15 mph.

Tonight: Clear. Lows 58 to 68. Northwest winds up to 15 mph.

Thursday: Sunny, warmer. Highs 95 to 103. Northwest winds up to 10 mph.

Thursday Night: Clear. Lows 62 to 72. Northwest winds up to 10 mph with gusts to around 20 mph.

Friday: Sunny. Highs 96 to 104. Northwest winds up to 10 mph.

Friday Night: Clear. Lows 60 to 70.

Saturday: Sunny. Highs 94 to 102.

Saturday Night through Tuesday: Clear. Lows 59 to 69. Highs 92 to 102.