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

 | 

SAN JOAQUIN RIVER - MOSSDALE (MOSC1)
Latitude: 37.79º NLongitude: 121.31º WElevation: 32 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Issuance Time: Mar 20 2023 at 2:58 PM PDTNext Issuance: Mar 21 2023 at 9:00 AM PDT
Monitor Stage: 19.5 FeetFlood Stage: 28.5 FeetDanger Stage: 29.5 Feet

Observed Data Credit
Gage owner logo

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

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2021
--
6.74
Jun 27, 2021
2020
--
7.93
Dec 13, 2019
2019
--
14.31
Jun 6, 2019
2018
--
10.43
Apr 8, 2018
2017
-- 21.70 Feb 23, 2017
 Historical High Stage/Flow Events (Period of Record - Jan 1920 to Present)* - Ranked by Stage
1951
--
24.40**
Dec 10, 1950
1997
--
23.24**
Jan 9, 1997
2017
-- 21.70 Feb 23, 2017
1969
--
20.31**

Jan 27, 1969

1967 -- 18.10** Jan 24, 1967
2006 -- 17.19** Apr 13, 2006
 * No data was available Sep 2006 to Apr 2007
 ** Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is +2.38 ft and must be applied to all data before date to convert to NAVD88
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Mostly cloudy. A slight chance of rain showers after midnight. A chance of rain showers late in the night. Lows 41 to 48. West winds up to 10 mph shifting to the north after midnight. Gusts up to 20 mph.

Tuesday: Rain showers in the morning, then rain showers and a slight chance of thunderstorms in the afternoon. Windy. Some thunderstorms may produce small hail in the afternoon. Highs 49 to 58. Southeast winds 10 to 30 mph with gusts to around 45 mph.

Tuesday Night: Rain showers likely and a slight chance of thunderstorms in the evening, then rain showers likely after midnight. Breezy. Some thunderstorms may produce small hail in the evening. Lows 41 to 46. Southeast winds 15 to 25 mph with gusts to around 40 mph.

Wednesday: A chance of rain showers in the morning, then rain showers likely in the afternoon. Highs 51 to 59. Southeast winds 10 to 15 mph with gusts to around 25 mph.

Wednesday Night: Mostly cloudy. A slight chance of rain showers in the evening. Lows 41 to 46. Southwest winds up to 10 mph.

Thursday: Mostly cloudy. Highs 53 to 62.

Thursday Night: Mostly clear. Lows 37 to 42.

Friday: Partly cloudy. Highs 53 to 61.

Friday Night through Saturday Night: Mostly clear. Lows 35 to 41. Highs 52 to 61.

Sunday: Mostly sunny. Areas of frost. Highs 53 to 61.

Sunday Night: Partly cloudy with a slight chance of rain showers. Lows 36 to 42.

Monday: Mostly cloudy with a chance of rain showers. Highs 51 to 60.
Impacts - E19 Information
33.1 FeetStages above 30.7 feet result in flooding outside the levees. Top of levee.
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.