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 Feet
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Feb 05 2026 at 1:21 PM PSTNext Issuance: Feb 06 2026 at 9:00 AM PST
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:  02/05/2026 at 01:21 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/31/2026 at 01:00 PM PST
# Maximum Observed Stage:                       27.50 Feet
#
# Earliest Date & Time of Maximum Forecast:     02/05/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       27.11 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  01/31/2026 01 PM PST           27.50                        Normal
  01/31/2026 02 PM PST           27.49         -              Normal
  01/31/2026 03 PM PST           27.49         0              Normal
  01/31/2026 04 PM PST           27.48         -              Normal
  01/31/2026 05 PM PST           27.48         0              Normal
  01/31/2026 06 PM PST           27.49         +              Normal
  01/31/2026 07 PM PST           27.48         -              Normal
  01/31/2026 08 PM PST           27.48         0              Normal
  01/31/2026 09 PM PST           27.48         0              Normal
  01/31/2026 10 PM PST           27.48         0              Normal
  01/31/2026 11 PM PST           27.48         0              Normal
  02/01/2026 12 AM PST           27.48         0              Normal
  02/01/2026 01 AM PST           27.47         -              Normal
  02/01/2026 02 AM PST           27.47         0              Normal
  02/01/2026 03 AM PST           27.46         -              Normal
  02/01/2026 04 AM PST           27.47         +              Normal
  02/01/2026 05 AM PST           27.47         0              Normal
  02/01/2026 06 AM PST           27.46         -              Normal
  02/01/2026 07 AM PST           27.46         0              Normal
  02/01/2026 08 AM PST           27.46         0              Normal
  02/01/2026 09 AM PST           27.46         0              Normal
  02/01/2026 10 AM PST           27.46         0              Normal
  02/01/2026 11 AM PST           27.46         0              Normal
  02/01/2026 12 PM PST           27.46         0              Normal
  02/01/2026 01 PM PST           27.46         0              Normal
  02/01/2026 02 PM PST           27.45         -              Normal
  02/01/2026 03 PM PST           27.45         0              Normal
  02/01/2026 04 PM PST           27.45         0              Normal
  02/01/2026 05 PM PST           27.44         -              Normal
  02/01/2026 06 PM PST           27.45         +              Normal
  02/01/2026 07 PM PST           27.45         0              Normal
  02/01/2026 08 PM PST           27.44         -              Normal
  02/01/2026 09 PM PST           27.45         +              Normal
  02/01/2026 10 PM PST           27.45         0              Normal
  02/01/2026 11 PM PST           27.44         -              Normal
  02/02/2026 12 AM PST           27.44         0              Normal
  02/02/2026 01 AM PST           27.43         -              Normal
  02/02/2026 02 AM PST           27.43         0              Normal
  02/02/2026 03 AM PST           27.43         0              Normal
  02/02/2026 04 AM PST           27.43         0              Normal
  02/02/2026 05 AM PST           27.42         -              Normal
  02/02/2026 06 AM PST           27.41         -              Normal
  02/02/2026 07 AM PST           27.42         +              Normal
  02/02/2026 08 AM PST           27.41         -              Normal
  02/02/2026 09 AM PST           27.41         0              Normal
  02/02/2026 10 AM PST           27.41         0              Normal
  02/02/2026 11 AM PST           27.41         0              Normal
  02/02/2026 12 PM PST           27.41         0              Normal
  02/02/2026 01 PM PST           27.41         0              Normal
  02/02/2026 02 PM PST           27.41         0              Normal
  02/02/2026 03 PM PST           27.40         -              Normal
  02/02/2026 04 PM PST           27.41         +              Normal
  02/02/2026 05 PM PST           27.40         -              Normal
  02/02/2026 06 PM PST           27.40         0              Normal
  02/02/2026 07 PM PST           27.40         0              Normal
  02/02/2026 08 PM PST           27.40         0              Normal
  02/02/2026 09 PM PST           27.40         0              Normal
  02/02/2026 10 PM PST           27.39         -              Normal
  02/02/2026 11 PM PST           27.39         0              Normal
  02/03/2026 12 AM PST           27.38         -              Normal
  02/03/2026 01 AM PST           27.39         +              Normal
  02/03/2026 02 AM PST           27.37         -              Normal
  02/03/2026 03 AM PST           27.37         0              Normal
  02/03/2026 04 AM PST           27.37         0              Normal
  02/03/2026 05 AM PST           27.36         -              Normal
  02/03/2026 06 AM PST           27.36         0              Normal
  02/03/2026 07 AM PST           27.36         0              Normal
  02/03/2026 08 AM PST           27.36         0              Normal
  02/03/2026 09 AM PST           27.35         -              Normal
  02/03/2026 10 AM PST           27.35         0              Normal
  02/03/2026 11 AM PST           27.36         +              Normal
  02/03/2026 12 PM PST           27.35         -              Normal
  02/03/2026 01 PM PST           27.35         0              Normal
  02/03/2026 02 PM PST           27.35         0              Normal
  02/03/2026 03 PM PST           27.36         +              Normal
  02/03/2026 04 PM PST           27.35         -              Normal
  02/03/2026 05 PM PST           27.36         +              Normal
  02/03/2026 06 PM PST           27.35         -              Normal
  02/03/2026 07 PM PST           27.35         0              Normal
  02/03/2026 08 PM PST           27.35         0              Normal
  02/03/2026 09 PM PST           27.34         -              Normal
  02/03/2026 10 PM PST           27.34         0              Normal
  02/03/2026 11 PM PST           27.35         +              Normal
  02/04/2026 12 AM PST           27.33         -              Normal
  02/04/2026 01 AM PST           27.33         0              Normal
  02/04/2026 02 AM PST           27.33         0              Normal
  02/04/2026 03 AM PST           27.33         0              Normal
  02/04/2026 04 AM PST           27.33         0              Normal
  02/04/2026 05 AM PST           27.32         -              Normal
  02/04/2026 06 AM PST           27.32         0              Normal
  02/04/2026 07 AM PST           27.32         0              Normal
  02/04/2026 08 AM PST           27.32         0              Normal
  02/04/2026 09 AM PST           27.31         -              Normal
  02/04/2026 10 AM PST           27.31         0              Normal
  02/04/2026 11 AM PST           27.30         -              Normal
  02/04/2026 12 PM PST           27.31         +              Normal
  02/04/2026 01 PM PST           27.32         +              Normal
  02/04/2026 02 PM PST           27.31         -              Normal
  02/04/2026 03 PM PST           27.31         0              Normal
  02/04/2026 04 PM PST           27.31         0              Normal
  02/04/2026 05 PM PST           27.30         -              Normal
  02/04/2026 06 PM PST           27.30         0              Normal
  02/04/2026 07 PM PST           27.30         0              Normal
  02/04/2026 08 PM PST           27.30         0              Normal
  02/04/2026 09 PM PST           27.29         -              Normal
  02/04/2026 10 PM PST           27.28         -              Normal
  02/04/2026 11 PM PST           27.27         -              Normal
  02/05/2026 12 AM PST           27.25         -              Normal
  02/05/2026 01 AM PST           27.23         -              Normal
  02/05/2026 02 AM PST           27.22         -              Normal
  02/05/2026 03 AM PST           27.21         -              Normal
  02/05/2026 04 AM PST           27.19         -              Normal
  02/05/2026 05 AM PST           27.17         -              Normal
  02/05/2026 06 AM PST           27.16         -              Normal
  02/05/2026 07 AM PST           27.15         -              Normal
  02/05/2026 08 AM PST           27.15         0              Normal
  02/05/2026 09 AM PST           27.14         -              Normal
  02/05/2026 10 AM PST           27.13         -              Normal
  02/05/2026 11 AM PST           27.12         -              Normal
  02/05/2026 12 PM PST           27.11         -              Normal
  02/05/2026 01 PM PST           27.11         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  02/05/2026 02 PM PST           27.11                        Normal
  02/05/2026 03 PM PST           27.10         -              Normal
  02/05/2026 04 PM PST           27.10         0              Normal
  02/05/2026 05 PM PST           27.10         0              Normal
  02/05/2026 06 PM PST           27.09         -              Normal
  02/05/2026 07 PM PST           27.09         0              Normal
  02/05/2026 08 PM PST           27.09         0              Normal
  02/05/2026 09 PM PST           27.09         0              Normal
  02/05/2026 10 PM PST           27.08         -              Normal
  02/05/2026 11 PM PST           27.08         0              Normal
  02/06/2026 12 AM PST           27.08         0              Normal
  02/06/2026 01 AM PST           27.07         -              Normal
  02/06/2026 02 AM PST           27.07         0              Normal
  02/06/2026 03 AM PST           27.07         0              Normal
  02/06/2026 04 AM PST           27.07         0              Normal
  02/06/2026 05 AM PST           27.07         0              Normal
  02/06/2026 06 AM PST           27.07         0              Normal
  02/06/2026 07 AM PST           27.06         -              Normal
  02/06/2026 08 AM PST           27.06         0              Normal
  02/06/2026 09 AM PST           27.06         0              Normal
  02/06/2026 10 AM PST           27.06         0              Normal
  02/06/2026 11 AM PST           27.06         0              Normal
  02/06/2026 12 PM PST           27.06         0              Normal
  02/06/2026 01 PM PST           27.05         -              Normal
  02/06/2026 02 PM PST           27.05         0              Normal
  02/06/2026 03 PM PST           27.05         0              Normal
  02/06/2026 04 PM PST           27.05         0              Normal
  02/06/2026 05 PM PST           27.05         0              Normal
  02/06/2026 06 PM PST           27.05         0              Normal
  02/06/2026 07 PM PST           27.05         0              Normal
  02/06/2026 08 PM PST           27.05         0              Normal
  02/06/2026 09 PM PST           27.05         0              Normal
  02/06/2026 10 PM PST           27.04         -              Normal
  02/06/2026 11 PM PST           27.04         0              Normal
  02/07/2026 12 AM PST           27.04         0              Normal
  02/07/2026 01 AM PST           27.04         0              Normal
  02/07/2026 02 AM PST           27.04         0              Normal
  02/07/2026 03 AM PST           27.04         0              Normal
  02/07/2026 04 AM PST           27.04         0              Normal
  02/07/2026 05 AM PST           27.04         0              Normal
  02/07/2026 06 AM PST           27.03         -              Normal
  02/07/2026 07 AM PST           27.03         0              Normal
  02/07/2026 08 AM PST           27.03         0              Normal
  02/07/2026 09 AM PST           27.03         0              Normal
  02/07/2026 10 AM PST           27.03         0              Normal
  02/07/2026 11 AM PST           27.03         0              Normal
  02/07/2026 12 PM PST           27.03         0              Normal
  02/07/2026 01 PM PST           27.02         -              Normal
  02/07/2026 02 PM PST           27.02         0              Normal
  02/07/2026 03 PM PST           27.02         0              Normal
  02/07/2026 04 PM PST           27.02         0              Normal
  02/07/2026 05 PM PST           27.02         0              Normal
  02/07/2026 06 PM PST           27.02         0              Normal
  02/07/2026 07 PM PST           27.01         -              Normal
  02/07/2026 08 PM PST           27.01         0              Normal
  02/07/2026 09 PM PST           27.01         0              Normal
  02/07/2026 10 PM PST           27.01         0              Normal
  02/07/2026 11 PM PST           27.01         0              Normal
  02/08/2026 12 AM PST           27.00         -              Normal
  02/08/2026 01 AM PST           27.00         0              Normal
  02/08/2026 02 AM PST           27.00         0              Normal
  02/08/2026 03 AM PST           27.00         0              Normal
  02/08/2026 04 AM PST           27.00         0              Normal
  02/08/2026 05 AM PST           27.00         0              Normal
  02/08/2026 06 AM PST           26.99         -              Normal
  02/08/2026 07 AM PST           26.99         0              Normal
  02/08/2026 08 AM PST           26.99         0              Normal
  02/08/2026 09 AM PST           26.99         0              Normal
  02/08/2026 10 AM PST           26.99         0              Normal
  02/08/2026 11 AM PST           26.98         -              Normal
  02/08/2026 12 PM PST           26.98         0              Normal
  02/08/2026 01 PM PST           26.98         0              Normal
  02/08/2026 02 PM PST           26.98         0              Normal
  02/08/2026 03 PM PST           26.98         0              Normal
  02/08/2026 04 PM PST           26.98         0              Normal
  02/08/2026 05 PM PST           26.97         -              Normal
  02/08/2026 06 PM PST           26.97         0              Normal
  02/08/2026 07 PM PST           26.97         0              Normal
  02/08/2026 08 PM PST           26.97         0              Normal
  02/08/2026 09 PM PST           26.97         0              Normal
  02/08/2026 10 PM PST           26.97         0              Normal
  02/08/2026 11 PM PST           26.97         0              Normal
  02/09/2026 12 AM PST           26.96         -              Normal
  02/09/2026 01 AM PST           26.96         0              Normal
  02/09/2026 02 AM PST           26.96         0              Normal
  02/09/2026 03 AM PST           26.96         0              Normal
  02/09/2026 04 AM PST           26.96         0              Normal
  02/09/2026 05 AM PST           26.96         0              Normal
  02/09/2026 06 AM PST           26.96         0              Normal
  02/09/2026 07 AM PST           26.96         0              Normal
  02/09/2026 08 AM PST           26.96         0              Normal
  02/09/2026 09 AM PST           26.95         -              Normal
  02/09/2026 10 AM PST           26.95         0              Normal
  02/09/2026 11 AM PST           26.95         0              Normal
  02/09/2026 12 PM PST           26.95         0              Normal
  02/09/2026 01 PM PST           26.95         0              Normal
  02/09/2026 02 PM PST           26.95         0              Normal
  02/09/2026 03 PM PST           26.95         0              Normal
  02/09/2026 04 PM PST           26.95         0              Normal
  02/09/2026 05 PM PST           26.95         0              Normal
  02/09/2026 06 PM PST           26.95         0              Normal
  02/09/2026 07 PM PST           26.95         0              Normal
  02/09/2026 08 PM PST           26.94         -              Normal
  02/09/2026 09 PM PST           26.94         0              Normal
  02/09/2026 10 PM PST           26.94         0              Normal
  02/09/2026 11 PM PST           26.94         0              Normal
  02/10/2026 12 AM PST           26.94         0              Normal
  02/10/2026 01 AM PST           26.94         0              Normal
  02/10/2026 02 AM PST           26.94         0              Normal
  02/10/2026 03 AM PST           26.94         0              Normal
  02/10/2026 04 AM PST           26.94         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.