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

 | 

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 18 2026 at 7:39 AM PDTNext Issuance: May 19 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:  05/18/2026 at 07:40 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:     05/19/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       6.90 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/13/2026 07 AM PDT            3.60                        Normal
  05/13/2026 08 AM PDT            3.23         -              Normal
  05/13/2026 09 AM PDT            3.11         -              Normal
  05/13/2026 10 AM PDT            3.59         +              Normal
  05/13/2026 11 AM PDT            4.30         +              Normal
  05/13/2026 12 PM PDT            4.89         +              Normal
  05/13/2026 01 PM PDT            5.24         +              Normal
  05/13/2026 02 PM PDT            5.40         +              Normal
  05/13/2026 03 PM PDT            5.26         -              Normal
  05/13/2026 04 PM PDT            4.82         -              Normal
  05/13/2026 05 PM PDT            4.24         -              Normal
  05/13/2026 06 PM PDT            3.72         -              Normal
  05/13/2026 07 PM PDT            3.30         -              Normal
  05/13/2026 08 PM PDT            3.07         -              Normal
  05/13/2026 09 PM PDT            3.39         +              Normal
  05/13/2026 10 PM PDT            4.27         +              Normal
  05/13/2026 11 PM PDT            4.97         +              Normal
  05/14/2026 12 AM PDT            5.59         +              Normal
  05/14/2026 01 AM PDT            6.01         +              Normal
  05/14/2026 02 AM PDT            6.26         +              Normal
  05/14/2026 03 AM PDT            6.13         -              Normal
  05/14/2026 04 AM PDT            5.46         -              Normal
  05/14/2026 05 AM PDT            4.77         -              Normal
  05/14/2026 06 AM PDT            4.18         -              Normal
  05/14/2026 07 AM PDT            3.63         -              Normal
  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            6.53         -              Normal
  05/18/2026 07 AM PDT            5.93         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/18/2026 08 AM PDT            5.03                        Normal
  05/18/2026 09 AM PDT            3.97         -              Normal
  05/18/2026 10 AM PDT            2.91         -              Normal
  05/18/2026 11 AM PDT            2.01         -              Normal
  05/18/2026 12 PM PDT            1.41         -              Normal
  05/18/2026 01 PM PDT            1.20         -              Normal
  05/18/2026 02 PM PDT            1.48         +              Normal
  05/18/2026 03 PM PDT            2.23         +              Normal
  05/18/2026 04 PM PDT            3.25         +              Normal
  05/18/2026 05 PM PDT            4.28         +              Normal
  05/18/2026 06 PM PDT            5.03         +              Normal
  05/18/2026 07 PM PDT            5.30         +              Normal
  05/18/2026 08 PM PDT            5.09         -              Normal
  05/18/2026 09 PM PDT            4.60         -              Normal
  05/18/2026 10 PM PDT            4.11         -              Normal
  05/18/2026 11 PM PDT            3.90         -              Normal
  05/19/2026 12 AM PDT            4.10         +              Normal
  05/19/2026 01 AM PDT            4.65         +              Normal
  05/19/2026 02 AM PDT            5.40         +              Normal
  05/19/2026 03 AM PDT            6.15         +              Normal
  05/19/2026 04 AM PDT            6.70         +              Normal
  05/19/2026 05 AM PDT            6.90         +              Normal
  05/19/2026 06 AM PDT            6.75         -              Normal
  05/19/2026 07 AM PDT            6.30         -              Normal
  05/19/2026 08 AM PDT            5.62         -              Normal
  05/19/2026 09 AM PDT            4.79         -              Normal
  05/19/2026 10 AM PDT            3.91         -              Normal
  05/19/2026 11 AM PDT            3.08         -              Normal
  05/19/2026 12 PM PDT            2.40         -              Normal
  05/19/2026 01 PM PDT            1.95         -              Normal
  05/19/2026 02 PM PDT            1.80         -              Normal
  05/19/2026 03 PM PDT            2.06         +              Normal
  05/19/2026 04 PM PDT            2.75         +              Normal
  05/19/2026 05 PM PDT            3.70         +              Normal
  05/19/2026 06 PM PDT            4.65         +              Normal
  05/19/2026 07 PM PDT            5.34         +              Normal
  05/19/2026 08 PM PDT            5.60         +              Normal
  05/19/2026 09 PM PDT            5.37         -              Normal
  05/19/2026 10 PM PDT            4.80         -              Normal
  05/19/2026 11 PM PDT            4.23         -              Normal
  05/20/2026 12 AM PDT            4.00         -              Normal
  05/20/2026 01 AM PDT            4.18         +              Normal
  05/20/2026 02 AM PDT            4.67         +              Normal
  05/20/2026 03 AM PDT            5.35         +              Normal
  05/20/2026 04 AM PDT            6.03         +              Normal
  05/20/2026 05 AM PDT            6.52         +              Normal
  05/20/2026 06 AM PDT            6.70         +              Normal
  05/20/2026 07 AM PDT            6.56         -              Normal
  05/20/2026 08 AM PDT            6.16         -              Normal
  05/20/2026 09 AM PDT            5.55         -              Normal
  05/20/2026 10 AM PDT            4.80         -              Normal
  05/20/2026 11 AM PDT            4.00         -              Normal
  05/20/2026 12 PM PDT            3.25         -              Normal
  05/20/2026 01 PM PDT            2.64         -              Normal
  05/20/2026 02 PM PDT            2.24         -              Normal
  05/20/2026 03 PM PDT            2.10         -              Normal
  05/20/2026 04 PM PDT            2.36         +              Normal
  05/20/2026 05 PM PDT            3.08         +              Normal
  05/20/2026 06 PM PDT            4.05         +              Normal
  05/20/2026 07 PM PDT            5.03         +              Normal
  05/20/2026 08 PM PDT            5.74         +              Normal
  05/20/2026 09 PM PDT            6.00         +              Normal
  05/20/2026 10 PM PDT            5.82         -              Normal
  05/20/2026 11 PM PDT            5.34         -              Normal
  05/21/2026 12 AM PDT            4.76         -              Normal
  05/21/2026 01 AM PDT            4.28         -              Normal
  05/21/2026 02 AM PDT            4.10         -              Normal
  05/21/2026 03 AM PDT            4.32         +              Normal
  05/21/2026 04 AM PDT            4.89         +              Normal
  05/21/2026 05 AM PDT            5.61         +              Normal
  05/21/2026 06 AM PDT            6.18         +              Normal
  05/21/2026 07 AM PDT            6.40         +              Normal
  05/21/2026 08 AM PDT            6.24         -              Normal
  05/21/2026 09 AM PDT            5.77         -              Normal
  05/21/2026 10 AM PDT            5.07         -              Normal
  05/21/2026 11 AM PDT            4.25         -              Normal
  05/21/2026 12 PM PDT            3.43         -              Normal
  05/21/2026 01 PM PDT            2.73         -              Normal
  05/21/2026 02 PM PDT            2.26         -              Normal
  05/21/2026 03 PM PDT            2.10         -              Normal
  05/21/2026 04 PM PDT            2.29         +              Normal
  05/21/2026 05 PM PDT            2.81         +              Normal
  05/21/2026 06 PM PDT            3.58         +              Normal
  05/21/2026 07 PM PDT            4.42         +              Normal
  05/21/2026 08 PM PDT            5.18         +              Normal
  05/21/2026 09 PM PDT            5.71         +              Normal
  05/21/2026 10 PM PDT            5.90         +              Normal
  05/21/2026 11 PM PDT            5.71         -              Normal
  05/22/2026 12 AM PDT            5.21         -              Normal
  05/22/2026 01 AM PDT            4.59         -              Normal
  05/22/2026 02 AM PDT            4.09         -              Normal
  05/22/2026 03 AM PDT            3.90         -              Normal
  05/22/2026 04 AM PDT            4.08         +              Normal
  05/22/2026 05 AM PDT            4.56         +              Normal
  05/22/2026 06 AM PDT            5.14         +              Normal
  05/22/2026 07 AM PDT            5.62         +              Normal
  05/22/2026 08 AM PDT            5.80         +              Normal
  05/22/2026 09 AM PDT            5.66         -              Normal
  05/22/2026 10 AM PDT            5.24         -              Normal
  05/22/2026 11 AM PDT            4.63         -              Normal
  05/22/2026 12 PM PDT            3.90         -              Normal
  05/22/2026 01 PM PDT            3.17         -              Normal
  05/22/2026 02 PM PDT            2.56         -              Normal
  05/22/2026 03 PM PDT            2.15         -              Normal
  05/22/2026 04 PM PDT            2.00         -              Normal
  05/22/2026 05 PM PDT            2.17         +              Normal
  05/22/2026 06 PM PDT            2.64         +              Normal
  05/22/2026 07 PM PDT            3.32         +              Normal
  05/22/2026 08 PM PDT            4.08         +              Normal
  05/22/2026 09 PM PDT            4.76         +              Normal
  05/22/2026 10 PM PDT            5.23         +              Normal
  05/22/2026 11 PM PDT            5.40         +              Normal
  05/23/2026 12 AM PDT            5.22         -              Normal
  05/23/2026 01 AM PDT            4.74         -              Normal
  05/23/2026 02 AM PDT            4.16         -              Normal
  05/23/2026 03 AM PDT            3.68         -              Normal
  05/23/2026 04 AM PDT            3.50         -              Normal
  05/23/2026 05 AM PDT            3.62         +              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.