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

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MORMON SLOUGH - BELLOTA (MSGC1)
Latitude: 38.05º NLongitude: 121.01º WElevation: 130 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Monitor Stage: 16.0 FeetFlood Stage: 22.0 FeetDanger Stage: 23.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2019*
6,080
15.14
Mar 6, 2019
2018*
2,180
9.62
Nov 26, 2017
2017*
7,650
17.34
Feb 10, 2017
2016*
2,281
9.84
Jan 18, 2016
2015*
2,454
9.39
Dec 12, 2014
 Historical High Stage/Flow Events (Period of Record - Dec 1997 to Present)
2006*
9,328
18.40
Apr 4, 2006
1998*
9,395
18.48
Feb 3, 1998
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Sunny. Highs 93 to 100. Northwest winds up to 15 mph.

Tonight: Clear. Lows 53 to 63. Northwest winds 10 to 15 mph with gusts to around 25 mph.

Monday: Sunny. Highs 88 to 96. Northwest winds up to 15 mph.

Monday Night: Clear. Lows 51 to 59. Northwest winds 10 to 20 mph.

Tuesday: Sunny. Highs 85 to 93. Northwest winds up to 10 mph.

Tuesday Night: Clear. Lows 53 to 61.

Wednesday: Sunny. Highs 86 to 95.

Wednesday Night through Thursday Night: Clear. Lows 56 to 66. Highs 87 to 97.

Friday: Mostly sunny. Highs 92 to 98.

Friday Night and Saturday: Clear. Lows 57 to 67. Highs 92 to 102.
Impacts - E19 Information
9.0 FeetWater rises out of the pilot channel but not yet on the levee slopes.
14.2 FeetUOP research within the Calaveras River channel is affected by water levels.
16.0 FeetBike trail within lower Calaveras River channel is flooded
22.0 FeetFlood Stage.
23.0 FeetDanger Stage.
31.9 FeetWater will overflow toward Bellota and Highway 26.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.