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

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COSUMNES RIVER - MCCONNELL (MCNC1)
Latitude: 38.36º NLongitude: 121.34º WElevation: 5 FeetForecast Type: Official Location
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Apr 08 2026 at 7:58 AM PDTNext Issuance: Apr 08 2026 at 3:00 PM PDT
Action/Monitor: 38.5 FeetMinor Flood: 44.5 FeetModerate Flood: 53.4 FeetMajor Flood: 53.5 Feet
Please Note:

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Cosumnes River - McConnell (MCNC1)
#
# File Generation Time:  04/08/2026 at 07:58 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/03/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       31.12 Feet
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       40.13 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  04/03/2026 07 AM PDT           31.12                        Normal
  04/03/2026 08 AM PDT           31.07         -              Normal
  04/03/2026 09 AM PDT           30.99         -              Normal
  04/03/2026 10 AM PDT           30.92         -              Normal
  04/03/2026 11 AM PDT           30.83         -              Normal
  04/03/2026 12 PM PDT           30.75         -              Normal
  04/03/2026 01 PM PDT           30.66         -              Normal
  04/03/2026 02 PM PDT           30.57         -              Normal
  04/03/2026 03 PM PDT           30.49         -              Normal
  04/03/2026 04 PM PDT           30.43         -              Normal
  04/03/2026 05 PM PDT           30.36         -              Normal
  04/03/2026 06 PM PDT           30.33         -              Normal
  04/03/2026 07 PM PDT           30.27         -              Normal
  04/03/2026 08 PM PDT           30.23         -              Normal
  04/03/2026 09 PM PDT           30.20         -              Normal
  04/03/2026 10 PM PDT           30.15         -              Normal
  04/03/2026 11 PM PDT           30.10         -              Normal
  04/04/2026 12 AM PDT           30.07         -              Normal
  04/04/2026 01 AM PDT           30.03         -              Normal
  04/04/2026 02 AM PDT           29.99         -              Normal
  04/04/2026 03 AM PDT           29.96         -              Normal
  04/04/2026 04 AM PDT           29.92         -              Normal
  04/04/2026 05 AM PDT           29.87         -              Normal
  04/04/2026 06 AM PDT           29.83         -              Normal
  04/04/2026 07 AM PDT           29.80         -              Normal
  04/04/2026 08 AM PDT           29.76         -              Normal
  04/04/2026 09 AM PDT           29.72         -              Normal
  04/04/2026 10 AM PDT           29.68         -              Normal
  04/04/2026 11 AM PDT           29.65         -              Normal
  04/04/2026 12 PM PDT           29.62         -              Normal
  04/04/2026 01 PM PDT           29.57         -              Normal
  04/04/2026 02 PM PDT           29.55         -              Normal
  04/04/2026 03 PM PDT           29.51         -              Normal
  04/04/2026 04 PM PDT           29.48         -              Normal
  04/04/2026 05 PM PDT           29.45         -              Normal
  04/04/2026 06 PM PDT           29.42         -              Normal
  04/04/2026 07 PM PDT           29.40         -              Normal
  04/04/2026 08 PM PDT           29.37         -              Normal
  04/04/2026 09 PM PDT           29.36         -              Normal
  04/04/2026 10 PM PDT           29.34         -              Normal
  04/04/2026 11 PM PDT           29.33         -              Normal
  04/05/2026 12 AM PDT           29.32         -              Normal
  04/05/2026 01 AM PDT           29.30         -              Normal
  04/05/2026 02 AM PDT           29.28         -              Normal
  04/05/2026 03 AM PDT           29.26         -              Normal
  04/05/2026 04 AM PDT           29.24         -              Normal
  04/05/2026 05 AM PDT           29.21         -              Normal
  04/05/2026 06 AM PDT           29.20         -              Normal
  04/05/2026 07 AM PDT           29.18         -              Normal
  04/05/2026 08 AM PDT           29.15         -              Normal
  04/05/2026 09 AM PDT           29.13         -              Normal
  04/05/2026 10 AM PDT           29.10         -              Normal
  04/05/2026 11 AM PDT           29.09         -              Normal
  04/05/2026 12 PM PDT           29.08         -              Normal
  04/05/2026 01 PM PDT           29.06         -              Normal
  04/05/2026 02 PM PDT           29.05         -              Normal
  04/05/2026 03 PM PDT           29.03         -              Normal
  04/05/2026 04 PM PDT           29.00         -              Normal
  04/05/2026 05 PM PDT           28.99         -              Normal
  04/05/2026 06 PM PDT           28.98         -              Normal
  04/05/2026 07 PM PDT           28.95         -              Normal
  04/05/2026 08 PM PDT           28.94         -              Normal
  04/05/2026 09 PM PDT           28.93         -              Normal
  04/05/2026 10 PM PDT           28.93         0              Normal
  04/05/2026 11 PM PDT           28.92         -              Normal
  04/06/2026 12 AM PDT           28.91         -              Normal
  04/06/2026 01 AM PDT           28.91         0              Normal
  04/06/2026 02 AM PDT           28.90         -              Normal
  04/06/2026 03 AM PDT           28.90         0              Normal
  04/06/2026 04 AM PDT           28.88         -              Normal
  04/06/2026 05 AM PDT           28.87         -              Normal
  04/06/2026 06 AM PDT           28.86         -              Normal
  04/06/2026 07 AM PDT           28.85         -              Normal
  04/06/2026 08 AM PDT           28.84         -              Normal
  04/06/2026 09 AM PDT           28.82         -              Normal
  04/06/2026 10 AM PDT           28.81         -              Normal
  04/06/2026 11 AM PDT           28.79         -              Normal
  04/06/2026 12 PM PDT           28.78         -              Normal
  04/06/2026 01 PM PDT           28.77         -              Normal
  04/06/2026 02 PM PDT           28.75         -              Normal
  04/06/2026 03 PM PDT           28.74         -              Normal
  04/06/2026 04 PM PDT           28.73         -              Normal
  04/06/2026 05 PM PDT           28.72         -              Normal
  04/06/2026 06 PM PDT           28.70         -              Normal
  04/06/2026 07 PM PDT           28.69         -              Normal
  04/06/2026 08 PM PDT           28.68         -              Normal
  04/06/2026 09 PM PDT           28.67         -              Normal
  04/06/2026 10 PM PDT           28.65         -              Normal
  04/06/2026 11 PM PDT           28.65         0              Normal
  04/07/2026 12 AM PDT           28.65         0              Normal
  04/07/2026 01 AM PDT           28.64         -              Normal
  04/07/2026 02 AM PDT           28.64         0              Normal
  04/07/2026 03 AM PDT           28.63         -              Normal
  04/07/2026 04 AM PDT           28.62         -              Normal
  04/07/2026 05 AM PDT           28.61         -              Normal
  04/07/2026 06 AM PDT           28.60         -              Normal
  04/07/2026 07 AM PDT           28.59         -              Normal
  04/07/2026 08 AM PDT           28.60         +              Normal
  04/07/2026 09 AM PDT           28.57         -              Normal
  04/07/2026 10 AM PDT           28.56         -              Normal
  04/07/2026 11 AM PDT           28.56         0              Normal
  04/07/2026 12 PM PDT           28.55         -              Normal
  04/07/2026 01 PM PDT           28.53         -              Normal
  04/07/2026 02 PM PDT           28.53         0              Normal
  04/07/2026 03 PM PDT           28.51         -              Normal
  04/07/2026 04 PM PDT           28.51         0              Normal
  04/07/2026 05 PM PDT           28.50         -              Normal
  04/07/2026 06 PM PDT           28.49         -              Normal
  04/07/2026 07 PM PDT           28.47         -              Normal
  04/07/2026 08 PM PDT           28.47         0              Normal
  04/07/2026 09 PM PDT           28.45         -              Normal
  04/07/2026 10 PM PDT           28.44         -              Normal
  04/07/2026 11 PM PDT           28.43         -              Normal
  04/08/2026 12 AM PDT           28.42         -              Normal
  04/08/2026 01 AM PDT           28.41         -              Normal
  04/08/2026 02 AM PDT           28.42         +              Normal
  04/08/2026 03 AM PDT           28.41         -              Normal
  04/08/2026 04 AM PDT           28.41         0              Normal
  04/08/2026 05 AM PDT           28.41         0              Normal
  04/08/2026 06 AM PDT           28.42         +              Normal
  04/08/2026 07 AM PDT           28.41         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  04/08/2026 08 AM PDT           28.40                        Normal
  04/08/2026 09 AM PDT           28.39         -              Normal
  04/08/2026 10 AM PDT           28.38         -              Normal
  04/08/2026 11 AM PDT           28.37         -              Normal
  04/08/2026 12 PM PDT           28.36         -              Normal
  04/08/2026 01 PM PDT           28.35         -              Normal
  04/08/2026 02 PM PDT           28.34         -              Normal
  04/08/2026 03 PM PDT           28.33         -              Normal
  04/08/2026 04 PM PDT           28.32         -              Normal
  04/08/2026 05 PM PDT           28.31         -              Normal
  04/08/2026 06 PM PDT           28.30         -              Normal
  04/08/2026 07 PM PDT           28.29         -              Normal
  04/08/2026 08 PM PDT           28.28         -              Normal
  04/08/2026 09 PM PDT           28.27         -              Normal
  04/08/2026 10 PM PDT           28.26         -              Normal
  04/08/2026 11 PM PDT           28.25         -              Normal
  04/09/2026 12 AM PDT           28.24         -              Normal
  04/09/2026 01 AM PDT           28.23         -              Normal
  04/09/2026 02 AM PDT           28.22         -              Normal
  04/09/2026 03 AM PDT           28.21         -              Normal
  04/09/2026 04 AM PDT           28.20         -              Normal
  04/09/2026 05 AM PDT           28.18         -              Normal
  04/09/2026 06 AM PDT           28.18         0              Normal
  04/09/2026 07 AM PDT           28.16         -              Normal
  04/09/2026 08 AM PDT           28.15         -              Normal
  04/09/2026 09 AM PDT           28.14         -              Normal
  04/09/2026 10 AM PDT           28.13         -              Normal
  04/09/2026 11 AM PDT           28.12         -              Normal
  04/09/2026 12 PM PDT           28.11         -              Normal
  04/09/2026 01 PM PDT           28.10         -              Normal
  04/09/2026 02 PM PDT           28.09         -              Normal
  04/09/2026 03 PM PDT           28.08         -              Normal
  04/09/2026 04 PM PDT           28.07         -              Normal
  04/09/2026 05 PM PDT           28.06         -              Normal
  04/09/2026 06 PM PDT           28.05         -              Normal
  04/09/2026 07 PM PDT           28.04         -              Normal
  04/09/2026 08 PM PDT           28.03         -              Normal
  04/09/2026 09 PM PDT           28.02         -              Normal
  04/09/2026 10 PM PDT           28.01         -              Normal
  04/09/2026 11 PM PDT           28.00         -              Normal
  04/10/2026 12 AM PDT           27.99         -              Normal
  04/10/2026 01 AM PDT           27.98         -              Normal
  04/10/2026 02 AM PDT           27.97         -              Normal
  04/10/2026 03 AM PDT           27.96         -              Normal
  04/10/2026 04 AM PDT           27.95         -              Normal
  04/10/2026 05 AM PDT           27.94         -              Normal
  04/10/2026 06 AM PDT           27.93         -              Normal
  04/10/2026 07 AM PDT           27.93         0              Normal
  04/10/2026 08 AM PDT           27.92         -              Normal
  04/10/2026 09 AM PDT           27.91         -              Normal
  04/10/2026 10 AM PDT           27.91         0              Normal
  04/10/2026 11 AM PDT           27.90         -              Normal
  04/10/2026 12 PM PDT           27.89         -              Normal
  04/10/2026 01 PM PDT           27.89         0              Normal
  04/10/2026 02 PM PDT           27.89         0              Normal
  04/10/2026 03 PM PDT           27.88         -              Normal
  04/10/2026 04 PM PDT           27.88         0              Normal
  04/10/2026 05 PM PDT           27.88         0              Normal
  04/10/2026 06 PM PDT           27.88         0              Normal
  04/10/2026 07 PM PDT           27.88         0              Normal
  04/10/2026 08 PM PDT           27.88         0              Normal
  04/10/2026 09 PM PDT           27.88         0              Normal
  04/10/2026 10 PM PDT           27.89         +              Normal
  04/10/2026 11 PM PDT           27.90         +              Normal
  04/11/2026 12 AM PDT           27.91         +              Normal
  04/11/2026 01 AM PDT           27.93         +              Normal
  04/11/2026 02 AM PDT           27.97         +              Normal
  04/11/2026 03 AM PDT           28.03         +              Normal
  04/11/2026 04 AM PDT           28.10         +              Normal
  04/11/2026 05 AM PDT           28.17         +              Normal
  04/11/2026 06 AM PDT           28.26         +              Normal
  04/11/2026 07 AM PDT           28.35         +              Normal
  04/11/2026 08 AM PDT           28.46         +              Normal
  04/11/2026 09 AM PDT           28.59         +              Normal
  04/11/2026 10 AM PDT           28.74         +              Normal
  04/11/2026 11 AM PDT           28.91         +              Normal
  04/11/2026 12 PM PDT           29.11         +              Normal
  04/11/2026 01 PM PDT           29.33         +              Normal
  04/11/2026 02 PM PDT           29.56         +              Normal
  04/11/2026 03 PM PDT           29.80         +              Normal
  04/11/2026 04 PM PDT           30.04         +              Normal
  04/11/2026 05 PM PDT           30.27         +              Normal
  04/11/2026 06 PM PDT           30.49         +              Normal
  04/11/2026 07 PM PDT           30.72         +              Normal
  04/11/2026 08 PM PDT           30.97         +              Normal
  04/11/2026 09 PM PDT           31.23         +              Normal
  04/11/2026 10 PM PDT           31.51         +              Normal
  04/11/2026 11 PM PDT           31.81         +              Normal
  04/12/2026 12 AM PDT           32.16         +              Normal
  04/12/2026 01 AM PDT           32.54         +              Normal
  04/12/2026 02 AM PDT           32.97         +              Normal
  04/12/2026 03 AM PDT           33.42         +              Normal
  04/12/2026 04 AM PDT           33.90         +              Normal
  04/12/2026 05 AM PDT           34.39         +              Normal
  04/12/2026 06 AM PDT           34.91         +              Normal
  04/12/2026 07 AM PDT           35.48         +              Normal
  04/12/2026 08 AM PDT           36.06         +              Normal
  04/12/2026 09 AM PDT           36.63         +              Normal
  04/12/2026 10 AM PDT           37.12         +              Normal
  04/12/2026 11 AM PDT           37.56         +              Normal
  04/12/2026 12 PM PDT           38.00         +              Normal
  04/12/2026 01 PM PDT           38.49         +              Normal
  04/12/2026 02 PM PDT           38.90         +      Action/Monitor
  04/12/2026 03 PM PDT           39.22         +      Action/Monitor
  04/12/2026 04 PM PDT           39.48         +      Action/Monitor
  04/12/2026 05 PM PDT           39.69         +      Action/Monitor
  04/12/2026 06 PM PDT           39.85         +      Action/Monitor
  04/12/2026 07 PM PDT           39.98         +      Action/Monitor
  04/12/2026 08 PM PDT           40.06         +      Action/Monitor
  04/12/2026 09 PM PDT           40.10         +      Action/Monitor
  04/12/2026 10 PM PDT           40.12         +      Action/Monitor
  04/12/2026 11 PM PDT           40.13         +      Action/Monitor
  04/13/2026 12 AM PDT           40.12         -      Action/Monitor
  04/13/2026 01 AM PDT           40.11         -      Action/Monitor
  04/13/2026 02 AM PDT           40.10         -      Action/Monitor
  04/13/2026 03 AM PDT           40.08         -      Action/Monitor
  04/13/2026 04 AM PDT           40.06         -      Action/Monitor
  04/13/2026 05 AM PDT           40.04         -      Action/Monitor
#
# 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.