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 FeetForecast Type: Official Location
Location: Solano County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: May 19 2026 at 7:58 AM PDTNext Issuance: May 20 2026 at 9:00 AM PDT
Action/Monitor: 7.4 FeetMinor Flood: 11.9 FeetModerate Flood: 20.4 FeetMajor Flood: 21.4 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Rio Vista (RVBC1)
#
# File Generation Time:  05/19/2026 at 08:00 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/17/2026 at 04:00 AM PDT
# Maximum Observed Stage:                       6.95 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/20/2026 at 06:00 AM PDT
# Maximum Forecast Stage:                       6.40 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/14/2026 08 AM PDT            3.13                        Normal
  05/14/2026 09 AM PDT            2.67         -              Normal
  05/14/2026 10 AM PDT            2.60         -              Normal
  05/14/2026 11 AM PDT            2.87         +              Normal
  05/14/2026 12 PM PDT            3.57         +              Normal
  05/14/2026 01 PM PDT            4.43         +              Normal
  05/14/2026 02 PM PDT            5.13         +              Normal
  05/14/2026 03 PM PDT            5.40         +              Normal
  05/14/2026 04 PM PDT            5.26         -              Normal
  05/14/2026 05 PM PDT            4.88         -              Normal
  05/14/2026 06 PM PDT            4.32         -              Normal
  05/14/2026 07 PM PDT            3.85         -              Normal
  05/14/2026 08 PM PDT            3.50         -              Normal
  05/14/2026 09 PM PDT            3.54         +              Normal
  05/14/2026 10 PM PDT            4.23         +              Normal
  05/14/2026 11 PM PDT            4.98         +              Normal
  05/15/2026 12 AM PDT            5.68         +              Normal
  05/15/2026 01 AM PDT            6.20         +              Normal
  05/15/2026 02 AM PDT            6.54         +              Normal
  05/15/2026 03 AM PDT            6.63         +              Normal
  05/15/2026 04 AM PDT            6.19         -              Normal
  05/15/2026 05 AM PDT            5.43         -              Normal
  05/15/2026 06 AM PDT            4.78         -              Normal
  05/15/2026 07 AM PDT            4.21         -              Normal
  05/15/2026 08 AM PDT            3.65         -              Normal
  05/15/2026 09 AM PDT            3.07         -              Normal
  05/15/2026 10 AM PDT            2.62         -              Normal
  05/15/2026 11 AM PDT            2.50         -              Normal
  05/15/2026 12 PM PDT            3.26         +              Normal
  05/15/2026 01 PM PDT            4.11         +              Normal
  05/15/2026 02 PM PDT            4.76         +              Normal
  05/15/2026 03 PM PDT            5.17         +              Normal
  05/15/2026 04 PM PDT            5.39         +              Normal
  05/15/2026 05 PM PDT            5.38         -              Normal
  05/15/2026 06 PM PDT            4.94         -              Normal
  05/15/2026 07 PM PDT            4.44         -              Normal
  05/15/2026 08 PM PDT            3.97         -              Normal
  05/15/2026 09 PM PDT            3.74         -              Normal
  05/15/2026 10 PM PDT            3.96         +              Normal
  05/15/2026 11 PM PDT            4.80         +              Normal
  05/16/2026 12 AM PDT            5.51         +              Normal
  05/16/2026 01 AM PDT            6.17         +              Normal
  05/16/2026 02 AM PDT            6.60         +              Normal
  05/16/2026 03 AM PDT            6.86         +              Normal
  05/16/2026 04 AM PDT            6.80         -              Normal
  05/16/2026 05 AM PDT            6.13         -              Normal
  05/16/2026 06 AM PDT            5.43         -              Normal
  05/16/2026 07 AM PDT            4.80         -              Normal
  05/16/2026 08 AM PDT            4.24         -              Normal
  05/16/2026 09 AM PDT            3.62         -              Normal
  05/16/2026 10 AM PDT            3.04         -              Normal
  05/16/2026 11 AM PDT            2.62         -              Normal
  05/16/2026 12 PM PDT            2.58         -              Normal
  05/16/2026 01 PM PDT            3.38         +              Normal
  05/16/2026 02 PM PDT            4.19         +              Normal
  05/16/2026 03 PM PDT            4.81         +              Normal
  05/16/2026 04 PM PDT            5.19         +              Normal
  05/16/2026 05 PM PDT            5.40         +              Normal
  05/16/2026 06 PM PDT            5.43         +              Normal
  05/16/2026 07 PM PDT            5.02         -              Normal
  05/16/2026 08 PM PDT            4.54         -              Normal
  05/16/2026 09 PM PDT            4.15         -              Normal
  05/16/2026 10 PM PDT            4.00         -              Normal
  05/16/2026 11 PM PDT            4.42         +              Normal
  05/17/2026 12 AM PDT            5.18         +              Normal
  05/17/2026 01 AM PDT            5.88         +              Normal
  05/17/2026 02 AM PDT            6.42         +              Normal
  05/17/2026 03 AM PDT            6.77         +              Normal
  05/17/2026 04 AM PDT            6.95         +              Normal
  05/17/2026 05 AM PDT            6.66         -              Normal
  05/17/2026 06 AM PDT            5.87         -              Normal
  05/17/2026 07 AM PDT            5.19         -              Normal
  05/17/2026 08 AM PDT            4.57         -              Normal
  05/17/2026 09 AM PDT            3.98         -              Normal
  05/17/2026 10 AM PDT            3.38         -              Normal
  05/17/2026 11 AM PDT            2.72         -              Normal
  05/17/2026 12 PM PDT            2.24         -              Normal
  05/17/2026 01 PM PDT            2.22         -              Normal
  05/17/2026 02 PM PDT            3.12         +              Normal
  05/17/2026 03 PM PDT            3.91         +              Normal
  05/17/2026 04 PM PDT            4.65         +              Normal
  05/17/2026 05 PM PDT            5.01         +              Normal
  05/17/2026 06 PM PDT            5.28         +              Normal
  05/17/2026 07 PM PDT            5.13         -              Normal
  05/17/2026 08 PM PDT            4.69         -              Normal
  05/17/2026 09 PM PDT            4.14         -              Normal
  05/17/2026 10 PM PDT            3.76         -              Normal
  05/17/2026 11 PM PDT            3.72         -              Normal
  05/18/2026 12 AM PDT            4.31         +              Normal
  05/18/2026 01 AM PDT            5.06         +              Normal
  05/18/2026 02 AM PDT            5.77         +              Normal
  05/18/2026 03 AM PDT            6.27         +              Normal
  05/18/2026 04 AM PDT            6.63         +              Normal
  05/18/2026 05 AM PDT            6.71         +              Normal
  05/18/2026 06 AM PDT            6.16         -              Normal
  05/18/2026 07 AM PDT            5.37         -              Normal
  05/18/2026 08 AM PDT            4.69         -              Normal
  05/18/2026 09 AM PDT            4.01         -              Normal
  05/18/2026 10 AM PDT            3.42         -              Normal
  05/18/2026 11 AM PDT            2.80         -              Normal
  05/18/2026 12 PM PDT            2.17         -              Normal
  05/18/2026 01 PM PDT            1.74         -              Normal
  05/18/2026 02 PM PDT            1.84         +              Normal
  05/18/2026 03 PM PDT            2.97         +              Normal
  05/18/2026 04 PM PDT            3.83         +              Normal
  05/18/2026 05 PM PDT            4.44         +              Normal
  05/18/2026 06 PM PDT            4.85         +              Normal
  05/18/2026 07 PM PDT            5.16         +              Normal
  05/18/2026 08 PM PDT            5.20         +              Normal
  05/18/2026 09 PM PDT            4.92         -              Normal
  05/18/2026 10 PM PDT            4.47         -              Normal
  05/18/2026 11 PM PDT            4.21         -              Normal
  05/19/2026 12 AM PDT            4.27         +              Normal
  05/19/2026 01 AM PDT            4.84         +              Normal
  05/19/2026 02 AM PDT            5.44         +              Normal
  05/19/2026 03 AM PDT            6.05         +              Normal
  05/19/2026 04 AM PDT            6.54         +              Normal
  05/19/2026 05 AM PDT            6.84         +              Normal
  05/19/2026 06 AM PDT            6.84         0              Normal
  05/19/2026 07 AM PDT            6.34         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/19/2026 08 AM PDT            5.70                        Normal
  05/19/2026 09 AM PDT            4.92         -              Normal
  05/19/2026 10 AM PDT            4.08         -              Normal
  05/19/2026 11 AM PDT            3.30         -              Normal
  05/19/2026 12 PM PDT            2.66         -              Normal
  05/19/2026 01 PM PDT            2.25         -              Normal
  05/19/2026 02 PM PDT            2.10         -              Normal
  05/19/2026 03 PM PDT            2.26         +              Normal
  05/19/2026 04 PM PDT            2.72         +              Normal
  05/19/2026 05 PM PDT            3.38         +              Normal
  05/19/2026 06 PM PDT            4.12         +              Normal
  05/19/2026 07 PM PDT            4.78         +              Normal
  05/19/2026 08 PM PDT            5.24         +              Normal
  05/19/2026 09 PM PDT            5.40         +              Normal
  05/19/2026 10 PM PDT            5.12         -              Normal
  05/19/2026 11 PM PDT            4.58         -              Normal
  05/20/2026 12 AM PDT            4.30         -              Normal
  05/20/2026 01 AM PDT            4.44         +              Normal
  05/20/2026 02 AM PDT            4.83         +              Normal
  05/20/2026 03 AM PDT            5.35         +              Normal
  05/20/2026 04 AM PDT            5.88         +              Normal
  05/20/2026 05 AM PDT            6.26         +              Normal
  05/20/2026 06 AM PDT            6.40         +              Normal
  05/20/2026 07 AM PDT            6.28         -              Normal
  05/20/2026 08 AM PDT            5.92         -              Normal
  05/20/2026 09 AM PDT            5.38         -              Normal
  05/20/2026 10 AM PDT            4.71         -              Normal
  05/20/2026 11 AM PDT            3.99         -              Normal
  05/20/2026 12 PM PDT            3.33         -              Normal
  05/20/2026 01 PM PDT            2.78         -              Normal
  05/20/2026 02 PM PDT            2.42         -              Normal
  05/20/2026 03 PM PDT            2.30         -              Normal
  05/20/2026 04 PM PDT            2.54         +              Normal
  05/20/2026 05 PM PDT            3.20         +              Normal
  05/20/2026 06 PM PDT            4.10         +              Normal
  05/20/2026 07 PM PDT            5.00         +              Normal
  05/20/2026 08 PM PDT            5.66         +              Normal
  05/20/2026 09 PM PDT            5.90         +              Normal
  05/20/2026 10 PM PDT            5.67         -              Normal
  05/20/2026 11 PM PDT            5.10         -              Normal
  05/21/2026 12 AM PDT            4.53         -              Normal
  05/21/2026 01 AM PDT            4.30         -              Normal
  05/21/2026 02 AM PDT            4.43         +              Normal
  05/21/2026 03 AM PDT            4.78         +              Normal
  05/21/2026 04 AM PDT            5.25         +              Normal
  05/21/2026 05 AM PDT            5.72         +              Normal
  05/21/2026 06 AM PDT            6.07         +              Normal
  05/21/2026 07 AM PDT            6.20         +              Normal
  05/21/2026 08 AM PDT            6.09         -              Normal
  05/21/2026 09 AM PDT            5.78         -              Normal
  05/21/2026 10 AM PDT            5.30         -              Normal
  05/21/2026 11 AM PDT            4.71         -              Normal
  05/21/2026 12 PM PDT            4.09         -              Normal
  05/21/2026 01 PM PDT            3.50         -              Normal
  05/21/2026 02 PM PDT            3.02         -              Normal
  05/21/2026 03 PM PDT            2.71         -              Normal
  05/21/2026 04 PM PDT            2.60         -              Normal
  05/21/2026 05 PM PDT            2.84         +              Normal
  05/21/2026 06 PM PDT            3.50         +              Normal
  05/21/2026 07 PM PDT            4.40         +              Normal
  05/21/2026 08 PM PDT            5.30         +              Normal
  05/21/2026 09 PM PDT            5.96         +              Normal
  05/21/2026 10 PM PDT            6.20         +              Normal
  05/21/2026 11 PM PDT            6.02         -              Normal
  05/22/2026 12 AM PDT            5.54         -              Normal
  05/22/2026 01 AM PDT            4.96         -              Normal
  05/22/2026 02 AM PDT            4.48         -              Normal
  05/22/2026 03 AM PDT            4.30         -              Normal
  05/22/2026 04 AM PDT            4.47         +              Normal
  05/22/2026 05 AM PDT            4.92         +              Normal
  05/22/2026 06 AM PDT            5.48         +              Normal
  05/22/2026 07 AM PDT            5.93         +              Normal
  05/22/2026 08 AM PDT            6.10         +              Normal
  05/22/2026 09 AM PDT            5.96         -              Normal
  05/22/2026 10 AM PDT            5.57         -              Normal
  05/22/2026 11 AM PDT            4.99         -              Normal
  05/22/2026 12 PM PDT            4.30         -              Normal
  05/22/2026 01 PM PDT            3.61         -              Normal
  05/22/2026 02 PM PDT            3.03         -              Normal
  05/22/2026 03 PM PDT            2.64         -              Normal
  05/22/2026 04 PM PDT            2.50         -              Normal
  05/22/2026 05 PM PDT            2.67         +              Normal
  05/22/2026 06 PM PDT            3.14         +              Normal
  05/22/2026 07 PM PDT            3.82         +              Normal
  05/22/2026 08 PM PDT            4.58         +              Normal
  05/22/2026 09 PM PDT            5.26         +              Normal
  05/22/2026 10 PM PDT            5.73         +              Normal
  05/22/2026 11 PM PDT            5.90         +              Normal
  05/23/2026 12 AM PDT            5.69         -              Normal
  05/23/2026 01 AM PDT            5.14         -              Normal
  05/23/2026 02 AM PDT            4.46         -              Normal
  05/23/2026 03 AM PDT            3.91         -              Normal
  05/23/2026 04 AM PDT            3.70         -              Normal
  05/23/2026 05 AM PDT            3.81         +              Normal
  05/23/2026 06 AM PDT            4.12         +              Normal
  05/23/2026 07 AM PDT            4.55         +              Normal
  05/23/2026 08 AM PDT            4.97         +              Normal
  05/23/2026 09 AM PDT            5.29         +              Normal
  05/23/2026 10 AM PDT            5.40         +              Normal
  05/23/2026 11 AM PDT            5.23         -              Normal
  05/23/2026 12 PM PDT            4.76         -              Normal
  05/23/2026 01 PM PDT            4.08         -              Normal
  05/23/2026 02 PM PDT            3.32         -              Normal
  05/23/2026 03 PM PDT            2.64         -              Normal
  05/23/2026 04 PM PDT            2.17         -              Normal
  05/23/2026 05 PM PDT            2.00         -              Normal
  05/23/2026 06 PM PDT            2.17         +              Normal
  05/23/2026 07 PM PDT            2.66         +              Normal
  05/23/2026 08 PM PDT            3.36         +              Normal
  05/23/2026 09 PM PDT            4.14         +              Normal
  05/23/2026 10 PM PDT            4.84         +              Normal
  05/23/2026 11 PM PDT            5.33         +              Normal
  05/24/2026 12 AM PDT            5.50         +              Normal
  05/24/2026 01 AM PDT            5.34         -              Normal
  05/24/2026 02 AM PDT            4.90         -              Normal
  05/24/2026 03 AM PDT            4.30         -              Normal
  05/24/2026 04 AM PDT            3.70         -              Normal
  05/24/2026 05 AM PDT            3.26         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.