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

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SACRAMENTO RIVER - RIO VISTA (RVBC1)
Latitude: 38.16º NLongitude: 121.69º WElevation: 0 Feet
Location: Solano County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Action/Monitor: 7.4 FeetMinor Flood: 11.9 FeetModerate Flood: 20.4 FeetMajor Flood: 21.4 Feet

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

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025*
--
6.70
Feb 14, 2025
2024*
--
8.45
Feb 7, 2024
2023*
--
8.81
Jan 5, 2023
2022*
--
8.35
Oct 24, 2021
2021*
--
7.92
Jun 25, 2021
 Historical High Stage/Flow Events (Period of Record - Jan 1925 to Present) - Ranked by Stage
1986*
--
11.50
Feb 20, 1986
1997*
--
11.18
Jan 5, 1997
1984* -- 10.61 Dec 3, 1983
1983* -- 10.46 Jan 29, 1983
2017*
--
9.79
Feb 11, 2017
1915 -- 9.70** Feb 11, 1915
 *Discharge affected by regulation or diversion
 ** Stage of record before regulation by Shasta Dam began in 1943
 *** Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is -0.6 ft and must be applied to all data before date to convert to NAVD88
Location Photographs
ESRI™ Locator Map
Flood Impacts
21.4 FeetStages above 21.4 feet result in major flooding outside of the levees. Top of levee.
9.4 FeetThe lower end of Rio Vista begins to flood at high tides.
8.4 FeetNearby low lying delta tracts are threatened by flooding.
Official 7 Day National Weather Service Forecast   (CAZ018)
Today: Mostly cloudy. Breezy. A slight chance of thunderstorms early in the morning. A chance of rain showers through the day. A slight chance of thunderstorms in the afternoon. Highs around 58. South winds 10 to 25 mph with gusts to around 40 mph shifting to the southwest 10 to 15 mph with gusts to around 30 mph in the afternoon.

Tonight: Mostly cloudy. A slight chance of rain showers in the evening. Lows around 46. Southwest winds up to 10 mph shifting to the northeast after midnight.

Tuesday: Mostly cloudy in the morning then clearing. Highs around 60. North winds up to 10 mph in the morning becoming light.

Tuesday Night: Mostly clear. Lows around 45. Light winds.

Wednesday: Mostly cloudy. Highs 55 to 61. Light winds.

Wednesday Night: Mostly cloudy with a chance of rain showers. Lows around 50.

Thursday: Mostly cloudy with rain showers likely. Highs 55 to 61.

Thursday Night: Partly cloudy with a slight chance of rain showers. Lows around 46.

Friday through Saturday Night: Mostly clear. Highs 58 to 64. Lows 42 to 47.

Sunday: Partly cloudy. Highs around 60.
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.