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

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AMERICAN RIVER - SACRAMENTO AT H STREET (SAMC1)
Latitude: 38.57º NLongitude: 121.42º WElevation: 45 FeetForecast Type: Official Location
Location: Sacramento County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: Mar 17 2026 at 1:51 PM PDTNext Issuance: Mar 18 2026 at 9:00 AM PDT
Action/Monitor: 39.0 FeetMinor Flood: 42.0 FeetModerate Flood: 45.7 FeetMajor Flood: 46.7 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: American River - Sacramento at H Street (SAMC1)
#
# File Generation Time:  03/17/2026 at 01:51 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/12/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       17.01 Feet
#
# Earliest Date & Time of Maximum Forecast:     03/17/2026 at 02:00 PM PDT
# Maximum Forecast Stage:                       16.91 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  03/12/2026 01 PM PDT           16.97                        Normal
  03/12/2026 02 PM PDT           16.99         +              Normal
  03/12/2026 03 PM PDT           17.01         +              Normal
  03/12/2026 04 PM PDT           17.01         0              Normal
  03/12/2026 05 PM PDT           17.00         -              Normal
  03/12/2026 06 PM PDT           16.99         -              Normal
  03/12/2026 07 PM PDT           16.98         -              Normal
  03/12/2026 08 PM PDT           16.97         -              Normal
  03/12/2026 09 PM PDT           16.96         -              Normal
  03/12/2026 10 PM PDT           16.95         -              Normal
  03/12/2026 11 PM PDT           16.95         0              Normal
  03/13/2026 12 AM PDT           16.94         -              Normal
  03/13/2026 01 AM PDT           16.94         0              Normal
  03/13/2026 02 AM PDT           16.94         0              Normal
  03/13/2026 03 AM PDT           16.95         +              Normal
  03/13/2026 04 AM PDT           16.95         0              Normal
  03/13/2026 05 AM PDT           16.95         0              Normal
  03/13/2026 06 AM PDT           16.95         0              Normal
  03/13/2026 07 AM PDT           16.95         0              Normal
  03/13/2026 08 AM PDT           16.95         0              Normal
  03/13/2026 09 AM PDT           16.96         +              Normal
  03/13/2026 10 AM PDT           16.96         0              Normal
  03/13/2026 11 AM PDT           16.96         0              Normal
  03/13/2026 12 PM PDT           16.96         0              Normal
  03/13/2026 01 PM PDT           16.95         -              Normal
  03/13/2026 02 PM PDT           16.94         -              Normal
  03/13/2026 03 PM PDT           16.91         -              Normal
  03/13/2026 04 PM PDT           16.89         -              Normal
  03/13/2026 05 PM PDT           16.88         -              Normal
  03/13/2026 06 PM PDT           16.89         +              Normal
  03/13/2026 07 PM PDT           16.90         +              Normal
  03/13/2026 08 PM PDT           16.91         +              Normal
  03/13/2026 09 PM PDT           16.91         0              Normal
  03/13/2026 10 PM PDT           16.91         0              Normal
  03/13/2026 11 PM PDT           16.91         0              Normal
  03/14/2026 12 AM PDT           16.92         +              Normal
  03/14/2026 01 AM PDT           16.92         0              Normal
  03/14/2026 02 AM PDT           16.91         -              Normal
  03/14/2026 03 AM PDT           16.92         +              Normal
  03/14/2026 04 AM PDT           16.92         0              Normal
  03/14/2026 05 AM PDT           16.92         0              Normal
  03/14/2026 06 AM PDT           16.92         0              Normal
  03/14/2026 07 AM PDT           16.92         0              Normal
  03/14/2026 08 AM PDT           16.92         0              Normal
  03/14/2026 09 AM PDT           16.93         +              Normal
  03/14/2026 10 AM PDT           16.93         0              Normal
  03/14/2026 11 AM PDT           16.93         0              Normal
  03/14/2026 12 PM PDT           16.93         0              Normal
  03/14/2026 01 PM PDT           16.93         0              Normal
  03/14/2026 02 PM PDT           16.93         0              Normal
  03/14/2026 03 PM PDT           16.92         -              Normal
  03/14/2026 04 PM PDT           16.91         -              Normal
  03/14/2026 05 PM PDT           16.91         0              Normal
  03/14/2026 06 PM PDT           16.89         -              Normal
  03/14/2026 07 PM PDT           16.88         -              Normal
  03/14/2026 08 PM PDT           16.88         0              Normal
  03/14/2026 09 PM PDT           16.90         +              Normal
  03/14/2026 10 PM PDT           16.91         +              Normal
  03/14/2026 11 PM PDT           16.91         0              Normal
  03/15/2026 12 AM PDT           16.90         -              Normal
  03/15/2026 01 AM PDT           16.89         -              Normal
  03/15/2026 02 AM PDT           16.89         0              Normal
  03/15/2026 03 AM PDT           16.88         -              Normal
  03/15/2026 04 AM PDT           16.89         +              Normal
  03/15/2026 05 AM PDT           16.89         0              Normal
  03/15/2026 06 AM PDT           16.89         0              Normal
  03/15/2026 07 AM PDT           16.91         +              Normal
  03/15/2026 08 AM PDT           16.93         +              Normal
  03/15/2026 09 AM PDT           16.92         -              Normal
  03/15/2026 10 AM PDT           16.91         -              Normal
  03/15/2026 11 AM PDT           16.91         0              Normal
  03/15/2026 12 PM PDT           16.90         -              Normal
  03/15/2026 01 PM PDT           16.90         0              Normal
  03/15/2026 02 PM PDT           16.90         0              Normal
  03/15/2026 03 PM PDT           16.89         -              Normal
  03/15/2026 04 PM PDT           16.92         +              Normal
  03/15/2026 05 PM PDT           16.94         +              Normal
  03/15/2026 06 PM PDT           16.93         -              Normal
  03/15/2026 07 PM PDT           16.94         +              Normal
  03/15/2026 08 PM PDT           16.96         +              Normal
  03/15/2026 09 PM PDT           16.98         +              Normal
  03/15/2026 10 PM PDT           16.97         -              Normal
  03/15/2026 11 PM PDT           16.94         -              Normal
  03/16/2026 12 AM PDT           16.92         -              Normal
  03/16/2026 01 AM PDT           16.91         -              Normal
  03/16/2026 02 AM PDT           16.90         -              Normal
  03/16/2026 03 AM PDT           16.90         0              Normal
  03/16/2026 04 AM PDT           16.89         -              Normal
  03/16/2026 05 AM PDT           16.90         +              Normal
  03/16/2026 06 AM PDT           16.89         -              Normal
  03/16/2026 07 AM PDT           16.90         +              Normal
  03/16/2026 08 AM PDT           16.91         +              Normal
  03/16/2026 09 AM PDT           16.90         -              Normal
  03/16/2026 10 AM PDT           16.90         0              Normal
  03/16/2026 11 AM PDT           16.91         +              Normal
  03/16/2026 12 PM PDT           16.91         0              Normal
  03/16/2026 01 PM PDT           16.92         +              Normal
  03/16/2026 02 PM PDT           16.92         0              Normal
  03/16/2026 03 PM PDT           16.92         0              Normal
  03/16/2026 04 PM PDT           16.92         0              Normal
  03/16/2026 05 PM PDT           16.92         0              Normal
  03/16/2026 06 PM PDT           16.92         0              Normal
  03/16/2026 07 PM PDT           16.92         0              Normal
  03/16/2026 08 PM PDT           16.92         0              Normal
  03/16/2026 09 PM PDT           16.92         0              Normal
  03/16/2026 10 PM PDT           16.92         0              Normal
  03/16/2026 11 PM PDT           16.92         0              Normal
  03/17/2026 12 AM PDT           16.92         0              Normal
  03/17/2026 01 AM PDT           16.92         0              Normal
  03/17/2026 02 AM PDT           16.92         0              Normal
  03/17/2026 03 AM PDT           16.92         0              Normal
  03/17/2026 04 AM PDT           16.92         0              Normal
  03/17/2026 05 AM PDT           16.92         0              Normal
  03/17/2026 06 AM PDT           16.92         0              Normal
  03/17/2026 07 AM PDT           16.92         0              Normal
  03/17/2026 08 AM PDT           16.92         0              Normal
  03/17/2026 09 AM PDT           16.92         0              Normal
  03/17/2026 10 AM PDT           16.91         -              Normal
  03/17/2026 11 AM PDT           16.91         0              Normal
  03/17/2026 12 PM PDT           16.91         0              Normal
  03/17/2026 01 PM PDT           16.91         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  03/17/2026 02 PM PDT           16.91                        Normal
  03/17/2026 03 PM PDT           16.91         0              Normal
  03/17/2026 04 PM PDT           16.91         0              Normal
  03/17/2026 05 PM PDT           16.91         0              Normal
  03/17/2026 06 PM PDT           16.91         0              Normal
  03/17/2026 07 PM PDT           16.91         0              Normal
  03/17/2026 08 PM PDT           16.91         0              Normal
  03/17/2026 09 PM PDT           16.91         0              Normal
  03/17/2026 10 PM PDT           16.91         0              Normal
  03/17/2026 11 PM PDT           16.91         0              Normal
  03/18/2026 12 AM PDT           16.91         0              Normal
  03/18/2026 01 AM PDT           16.91         0              Normal
  03/18/2026 02 AM PDT           16.91         0              Normal
  03/18/2026 03 AM PDT           16.91         0              Normal
  03/18/2026 04 AM PDT           16.91         0              Normal
  03/18/2026 05 AM PDT           16.91         0              Normal
  03/18/2026 06 AM PDT           16.91         0              Normal
  03/18/2026 07 AM PDT           16.91         0              Normal
  03/18/2026 08 AM PDT           16.91         0              Normal
  03/18/2026 09 AM PDT           16.91         0              Normal
  03/18/2026 10 AM PDT           16.91         0              Normal
  03/18/2026 11 AM PDT           16.91         0              Normal
  03/18/2026 12 PM PDT           16.91         0              Normal
  03/18/2026 01 PM PDT           16.91         0              Normal
  03/18/2026 02 PM PDT           16.91         0              Normal
  03/18/2026 03 PM PDT           16.91         0              Normal
  03/18/2026 04 PM PDT           16.91         0              Normal
  03/18/2026 05 PM PDT           16.91         0              Normal
  03/18/2026 06 PM PDT           16.91         0              Normal
  03/18/2026 07 PM PDT           16.91         0              Normal
  03/18/2026 08 PM PDT           16.91         0              Normal
  03/18/2026 09 PM PDT           16.91         0              Normal
  03/18/2026 10 PM PDT           16.91         0              Normal
  03/18/2026 11 PM PDT           16.91         0              Normal
  03/19/2026 12 AM PDT           16.91         0              Normal
  03/19/2026 01 AM PDT           16.91         0              Normal
  03/19/2026 02 AM PDT           16.91         0              Normal
  03/19/2026 03 AM PDT           16.90         -              Normal
  03/19/2026 04 AM PDT           16.88         -              Normal
  03/19/2026 05 AM PDT           16.86         -              Normal
  03/19/2026 06 AM PDT           16.83         -              Normal
  03/19/2026 07 AM PDT           16.81         -              Normal
  03/19/2026 08 AM PDT           16.79         -              Normal
  03/19/2026 09 AM PDT           16.78         -              Normal
  03/19/2026 10 AM PDT           16.77         -              Normal
  03/19/2026 11 AM PDT           16.76         -              Normal
  03/19/2026 12 PM PDT           16.75         -              Normal
  03/19/2026 01 PM PDT           16.75         0              Normal
  03/19/2026 02 PM PDT           16.75         0              Normal
  03/19/2026 03 PM PDT           16.75         0              Normal
  03/19/2026 04 PM PDT           16.75         0              Normal
  03/19/2026 05 PM PDT           16.74         -              Normal
  03/19/2026 06 PM PDT           16.74         0              Normal
  03/19/2026 07 PM PDT           16.74         0              Normal
  03/19/2026 08 PM PDT           16.74         0              Normal
  03/19/2026 09 PM PDT           16.74         0              Normal
  03/19/2026 10 PM PDT           16.74         0              Normal
  03/19/2026 11 PM PDT           16.74         0              Normal
  03/20/2026 12 AM PDT           16.74         0              Normal
  03/20/2026 01 AM PDT           16.74         0              Normal
  03/20/2026 02 AM PDT           16.74         0              Normal
  03/20/2026 03 AM PDT           16.74         0              Normal
  03/20/2026 04 AM PDT           16.74         0              Normal
  03/20/2026 05 AM PDT           16.74         0              Normal
  03/20/2026 06 AM PDT           16.74         0              Normal
  03/20/2026 07 AM PDT           16.74         0              Normal
  03/20/2026 08 AM PDT           16.74         0              Normal
  03/20/2026 09 AM PDT           16.74         0              Normal
  03/20/2026 10 AM PDT           16.74         0              Normal
  03/20/2026 11 AM PDT           16.74         0              Normal
  03/20/2026 12 PM PDT           16.74         0              Normal
  03/20/2026 01 PM PDT           16.74         0              Normal
  03/20/2026 02 PM PDT           16.74         0              Normal
  03/20/2026 03 PM PDT           16.74         0              Normal
  03/20/2026 04 PM PDT           16.74         0              Normal
  03/20/2026 05 PM PDT           16.74         0              Normal
  03/20/2026 06 PM PDT           16.74         0              Normal
  03/20/2026 07 PM PDT           16.74         0              Normal
  03/20/2026 08 PM PDT           16.74         0              Normal
  03/20/2026 09 PM PDT           16.74         0              Normal
  03/20/2026 10 PM PDT           16.74         0              Normal
  03/20/2026 11 PM PDT           16.74         0              Normal
  03/21/2026 12 AM PDT           16.74         0              Normal
  03/21/2026 01 AM PDT           16.74         0              Normal
  03/21/2026 02 AM PDT           16.74         0              Normal
  03/21/2026 03 AM PDT           16.74         0              Normal
  03/21/2026 04 AM PDT           16.74         0              Normal
  03/21/2026 05 AM PDT           16.74         0              Normal
  03/21/2026 06 AM PDT           16.74         0              Normal
  03/21/2026 07 AM PDT           16.74         0              Normal
  03/21/2026 08 AM PDT           16.74         0              Normal
  03/21/2026 09 AM PDT           16.74         0              Normal
  03/21/2026 10 AM PDT           16.74         0              Normal
  03/21/2026 11 AM PDT           16.74         0              Normal
  03/21/2026 12 PM PDT           16.74         0              Normal
  03/21/2026 01 PM PDT           16.74         0              Normal
  03/21/2026 02 PM PDT           16.74         0              Normal
  03/21/2026 03 PM PDT           16.74         0              Normal
  03/21/2026 04 PM PDT           16.74         0              Normal
  03/21/2026 05 PM PDT           16.74         0              Normal
  03/21/2026 06 PM PDT           16.74         0              Normal
  03/21/2026 07 PM PDT           16.74         0              Normal
  03/21/2026 08 PM PDT           16.74         0              Normal
  03/21/2026 09 PM PDT           16.74         0              Normal
  03/21/2026 10 PM PDT           16.74         0              Normal
  03/21/2026 11 PM PDT           16.74         0              Normal
  03/22/2026 12 AM PDT           16.74         0              Normal
  03/22/2026 01 AM PDT           16.74         0              Normal
  03/22/2026 02 AM PDT           16.74         0              Normal
  03/22/2026 03 AM PDT           16.74         0              Normal
  03/22/2026 04 AM PDT           16.74         0              Normal
  03/22/2026 05 AM PDT           16.74         0              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.