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 - MICHIGAN BAR (MHBC1)
Latitude: 38.50º NLongitude: 121.04º WElevation: 168 FeetForecast Type: Official Location
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Mar 30 2026 at 1:38 PM PDTNext Issuance: Mar 31 2026 at 9:00 AM PDT
Action/Monitor: 7.0 FeetMinor Flood: 12.0 FeetModerate Flood: 16.0 FeetMajor Flood: 18.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Cosumnes River - Michigan Bar (MHBC1)
#
# File Generation Time:  03/30/2026 at 01:39 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/25/2026 at 08:00 PM PDT
# Maximum Observed Stage:                       4.29 Feet
# Maximum Observed Flow:                        481 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/02/2026 at 05:00 PM PDT
# Maximum Forecast Stage:                       4.49 Feet
# Maximum Forecast Flow:                        590 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/25/2026 01 PM PDT            4.26            465                        Normal
  03/25/2026 02 PM PDT            4.25            460         -              Normal
  03/25/2026 03 PM PDT            4.25            460         0              Normal
  03/25/2026 04 PM PDT            4.25            460         0              Normal
  03/25/2026 05 PM PDT            4.25            460         0              Normal
  03/25/2026 06 PM PDT            4.28            475         +              Normal
  03/25/2026 07 PM PDT            4.27            470         -              Normal
  03/25/2026 08 PM PDT            4.29            481         +              Normal
  03/25/2026 09 PM PDT            4.28            475         -              Normal
  03/25/2026 10 PM PDT            4.28            475         0              Normal
  03/25/2026 11 PM PDT            4.27            470         -              Normal
  03/26/2026 12 AM PDT            4.26            465         -              Normal
  03/26/2026 01 AM PDT            4.27            470         +              Normal
  03/26/2026 02 AM PDT            4.26            465         -              Normal
  03/26/2026 03 AM PDT            4.26            465         0              Normal
  03/26/2026 04 AM PDT            4.26            465         0              Normal
  03/26/2026 05 AM PDT            4.25            460         -              Normal
  03/26/2026 06 AM PDT            4.25            460         0              Normal
  03/26/2026 07 AM PDT            4.24            456         -              Normal
  03/26/2026 08 AM PDT            4.24            456         0              Normal
  03/26/2026 09 AM PDT            4.23            451         -              Normal
  03/26/2026 10 AM PDT            4.24            456         +              Normal
  03/26/2026 11 AM PDT            4.23            451         -              Normal
  03/26/2026 12 PM PDT            4.22            446         -              Normal
  03/26/2026 01 PM PDT            4.21            441         -              Normal
  03/26/2026 02 PM PDT            4.21            441         0              Normal
  03/26/2026 03 PM PDT            4.21            441         0              Normal
  03/26/2026 04 PM PDT            4.21            441         0              Normal
  03/26/2026 05 PM PDT            4.21            441         0              Normal
  03/26/2026 06 PM PDT            4.21            441         0              Normal
  03/26/2026 07 PM PDT            4.22            446         +              Normal
  03/26/2026 08 PM PDT            4.22            446         0              Normal
  03/26/2026 09 PM PDT            4.22            446         0              Normal
  03/26/2026 10 PM PDT            4.22            446         0              Normal
  03/26/2026 11 PM PDT            4.22            446         0              Normal
  03/27/2026 12 AM PDT            4.21            441         -              Normal
  03/27/2026 01 AM PDT            4.20            436         -              Normal
  03/27/2026 02 AM PDT            4.20            436         0              Normal
  03/27/2026 03 AM PDT            4.20            436         0              Normal
  03/27/2026 04 AM PDT            4.20            436         0              Normal
  03/27/2026 05 AM PDT            4.19            431         -              Normal
  03/27/2026 06 AM PDT            4.19            431         0              Normal
  03/27/2026 07 AM PDT            4.19            431         0              Normal
  03/27/2026 08 AM PDT            4.18            427         -              Normal
  03/27/2026 09 AM PDT            4.19            431         +              Normal
  03/27/2026 10 AM PDT            4.18            427         -              Normal
  03/27/2026 11 AM PDT            4.18            427         0              Normal
  03/27/2026 12 PM PDT            4.17            422         -              Normal
  03/27/2026 01 PM PDT            4.17            422         0              Normal
  03/27/2026 02 PM PDT            4.17            422         0              Normal
  03/27/2026 03 PM PDT            4.16            417         -              Normal
  03/27/2026 04 PM PDT            4.16            417         0              Normal
  03/27/2026 05 PM PDT            4.16            417         0              Normal
  03/27/2026 06 PM PDT            4.16            417         0              Normal
  03/27/2026 07 PM PDT            4.16            417         0              Normal
  03/27/2026 08 PM PDT            4.16            417         0              Normal
  03/27/2026 09 PM PDT            4.16            417         0              Normal
  03/27/2026 10 PM PDT            4.16            417         0              Normal
  03/27/2026 11 PM PDT            4.16            417         0              Normal
  03/28/2026 12 AM PDT            4.16            417         0              Normal
  03/28/2026 01 AM PDT            4.16            417         0              Normal
  03/28/2026 02 AM PDT            4.15            413         -              Normal
  03/28/2026 03 AM PDT            4.14            408         -              Normal
  03/28/2026 04 AM PDT            4.14            408         0              Normal
  03/28/2026 05 AM PDT            4.14            408         0              Normal
  03/28/2026 06 AM PDT            4.14            408         0              Normal
  03/28/2026 07 AM PDT            4.14            408         0              Normal
  03/28/2026 08 AM PDT            4.14            408         0              Normal
  03/28/2026 09 AM PDT            4.13            403         -              Normal
  03/28/2026 10 AM PDT            4.12            399         -              Normal
  03/28/2026 11 AM PDT            4.13            403         +              Normal
  03/28/2026 12 PM PDT            4.12            399         -              Normal
  03/28/2026 01 PM PDT            4.11            394         -              Normal
  03/28/2026 02 PM PDT            4.10            390         -              Normal
  03/28/2026 03 PM PDT            4.10            390         0              Normal
  03/28/2026 04 PM PDT            4.09            385         -              Normal
  03/28/2026 05 PM PDT            4.08            381         -              Normal
  03/28/2026 06 PM PDT            4.08            381         0              Normal
  03/28/2026 07 PM PDT            4.09            385         +              Normal
  03/28/2026 08 PM PDT            4.10            390         +              Normal
  03/28/2026 09 PM PDT            4.10            390         0              Normal
  03/28/2026 10 PM PDT            4.10            390         0              Normal
  03/28/2026 11 PM PDT            4.10            390         0              Normal
  03/29/2026 12 AM PDT            4.10            390         0              Normal
  03/29/2026 01 AM PDT            4.10            390         0              Normal
  03/29/2026 02 AM PDT            4.09            385         -              Normal
  03/29/2026 03 AM PDT            4.09            385         0              Normal
  03/29/2026 04 AM PDT            4.08            381         -              Normal
  03/29/2026 05 AM PDT            4.08            381         0              Normal
  03/29/2026 06 AM PDT            4.08            381         0              Normal
  03/29/2026 07 AM PDT            4.07            377         -              Normal
  03/29/2026 08 AM PDT            4.08            381         +              Normal
  03/29/2026 09 AM PDT            4.08            381         0              Normal
  03/29/2026 10 AM PDT            4.06            372         -              Normal
  03/29/2026 11 AM PDT            4.06            372         0              Normal
  03/29/2026 12 PM PDT            4.06            372         0              Normal
  03/29/2026 01 PM PDT            4.05            368         -              Normal
  03/29/2026 02 PM PDT            4.06            372         +              Normal
  03/29/2026 03 PM PDT            4.05            368         -              Normal
  03/29/2026 04 PM PDT            4.04            364         -              Normal
  03/29/2026 05 PM PDT            4.05            368         +              Normal
  03/29/2026 06 PM PDT            4.04            364         -              Normal
  03/29/2026 07 PM PDT            4.04            364         0              Normal
  03/29/2026 08 PM PDT            4.04            364         0              Normal
  03/29/2026 09 PM PDT            4.04            364         0              Normal
  03/29/2026 10 PM PDT            4.06            372         +              Normal
  03/29/2026 11 PM PDT            4.05            368         -              Normal
  03/30/2026 12 AM PDT            4.05            368         0              Normal
  03/30/2026 01 AM PDT            4.06            372         +              Normal
  03/30/2026 02 AM PDT            4.06            372         0              Normal
  03/30/2026 03 AM PDT            4.05            368         -              Normal
  03/30/2026 04 AM PDT            4.05            368         0              Normal
  03/30/2026 05 AM PDT            4.05            368         0              Normal
  03/30/2026 06 AM PDT            4.04            364         -              Normal
  03/30/2026 07 AM PDT            4.03            360         -              Normal
  03/30/2026 08 AM PDT            4.03            360         0              Normal
  03/30/2026 09 AM PDT            4.03            360         0              Normal
  03/30/2026 10 AM PDT            4.03            360         0              Normal
  03/30/2026 11 AM PDT            4.03            360         0              Normal
  03/30/2026 12 PM PDT            4.03            360         0              Normal
  03/30/2026 01 PM PDT            4.03            360         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/30/2026 02 PM PDT            4.02            355                        Normal
  03/30/2026 03 PM PDT            4.02            355         0              Normal
  03/30/2026 04 PM PDT            4.02            355         0              Normal
  03/30/2026 05 PM PDT            4.01            351         -              Normal
  03/30/2026 06 PM PDT            4.01            351         0              Normal
  03/30/2026 07 PM PDT            4.01            351         0              Normal
  03/30/2026 08 PM PDT            4.01            351         0              Normal
  03/30/2026 09 PM PDT            4.01            351         0              Normal
  03/30/2026 10 PM PDT            4.01            351         0              Normal
  03/30/2026 11 PM PDT            4.00            347         -              Normal
  03/31/2026 12 AM PDT            4.00            347         0              Normal
  03/31/2026 01 AM PDT            4.00            347         0              Normal
  03/31/2026 02 AM PDT            4.00            347         0              Normal
  03/31/2026 03 AM PDT            4.00            347         0              Normal
  03/31/2026 04 AM PDT            4.00            347         0              Normal
  03/31/2026 05 AM PDT            4.00            347         0              Normal
  03/31/2026 06 AM PDT            3.99            343         -              Normal
  03/31/2026 07 AM PDT            3.99            343         0              Normal
  03/31/2026 08 AM PDT            3.99            343         0              Normal
  03/31/2026 09 AM PDT            3.99            343         0              Normal
  03/31/2026 10 AM PDT            3.99            343         0              Normal
  03/31/2026 11 AM PDT            3.99            343         0              Normal
  03/31/2026 12 PM PDT            3.99            343         0              Normal
  03/31/2026 01 PM PDT            3.98            339         -              Normal
  03/31/2026 02 PM PDT            3.98            339         0              Normal
  03/31/2026 03 PM PDT            3.98            339         0              Normal
  03/31/2026 04 PM PDT            3.98            339         0              Normal
  03/31/2026 05 PM PDT            3.98            339         0              Normal
  03/31/2026 06 PM PDT            3.98            339         0              Normal
  03/31/2026 07 PM PDT            3.99            343         +              Normal
  03/31/2026 08 PM PDT            3.99            343         0              Normal
  03/31/2026 09 PM PDT            3.99            343         0              Normal
  03/31/2026 10 PM PDT            3.99            343         0              Normal
  03/31/2026 11 PM PDT            3.99            343         0              Normal
  04/01/2026 12 AM PDT            4.00            347         +              Normal
  04/01/2026 01 AM PDT            4.00            347         0              Normal
  04/01/2026 02 AM PDT            4.01            351         +              Normal
  04/01/2026 03 AM PDT            4.01            351         0              Normal
  04/01/2026 04 AM PDT            4.02            355         +              Normal
  04/01/2026 05 AM PDT            4.04            364         +              Normal
  04/01/2026 06 AM PDT            4.05            368         +              Normal
  04/01/2026 07 AM PDT            4.06            372         +              Normal
  04/01/2026 08 AM PDT            4.08            381         +              Normal
  04/01/2026 09 AM PDT            4.10            390         +              Normal
  04/01/2026 10 AM PDT            4.12            399         +              Normal
  04/01/2026 11 AM PDT            4.14            408         +              Normal
  04/01/2026 12 PM PDT            4.15            413         +              Normal
  04/01/2026 01 PM PDT            4.17            422         +              Normal
  04/01/2026 02 PM PDT            4.19            431         +              Normal
  04/01/2026 03 PM PDT            4.20            436         +              Normal
  04/01/2026 04 PM PDT            4.21            441         +              Normal
  04/01/2026 05 PM PDT            4.23            451         +              Normal
  04/01/2026 06 PM PDT            4.24            456         +              Normal
  04/01/2026 07 PM PDT            4.25            460         +              Normal
  04/01/2026 08 PM PDT            4.26            465         +              Normal
  04/01/2026 09 PM PDT            4.27            470         +              Normal
  04/01/2026 10 PM PDT            4.28            475         +              Normal
  04/01/2026 11 PM PDT            4.29            481         +              Normal
  04/02/2026 12 AM PDT            4.30            486         +              Normal
  04/02/2026 01 AM PDT            4.31            491         +              Normal
  04/02/2026 02 AM PDT            4.32            496         +              Normal
  04/02/2026 03 AM PDT            4.33            501         +              Normal
  04/02/2026 04 AM PDT            4.34            506         +              Normal
  04/02/2026 05 AM PDT            4.35            512         +              Normal
  04/02/2026 06 AM PDT            4.37            522         +              Normal
  04/02/2026 07 AM PDT            4.38            528         +              Normal
  04/02/2026 08 AM PDT            4.39            533         +              Normal
  04/02/2026 09 AM PDT            4.40            539         +              Normal
  04/02/2026 10 AM PDT            4.41            544         +              Normal
  04/02/2026 11 AM PDT            4.43            555         +              Normal
  04/02/2026 12 PM PDT            4.44            561         +              Normal
  04/02/2026 01 PM PDT            4.46            572         +              Normal
  04/02/2026 02 PM PDT            4.47            578         +              Normal
  04/02/2026 03 PM PDT            4.48            584         +              Normal
  04/02/2026 04 PM PDT            4.48            584         0              Normal
  04/02/2026 05 PM PDT            4.49            590         +              Normal
  04/02/2026 06 PM PDT            4.49            590         0              Normal
  04/02/2026 07 PM PDT            4.49            590         0              Normal
  04/02/2026 08 PM PDT            4.49            590         0              Normal
  04/02/2026 09 PM PDT            4.49            590         0              Normal
  04/02/2026 10 PM PDT            4.49            590         0              Normal
  04/02/2026 11 PM PDT            4.49            590         0              Normal
  04/03/2026 12 AM PDT            4.49            590         0              Normal
  04/03/2026 01 AM PDT            4.49            590         0              Normal
  04/03/2026 02 AM PDT            4.49            590         0              Normal
  04/03/2026 03 AM PDT            4.48            584         -              Normal
  04/03/2026 04 AM PDT            4.48            584         0              Normal
  04/03/2026 05 AM PDT            4.47            578         -              Normal
  04/03/2026 06 AM PDT            4.47            578         0              Normal
  04/03/2026 07 AM PDT            4.47            578         0              Normal
  04/03/2026 08 AM PDT            4.46            572         -              Normal
  04/03/2026 09 AM PDT            4.46            572         0              Normal
  04/03/2026 10 AM PDT            4.45            567         -              Normal
  04/03/2026 11 AM PDT            4.45            567         0              Normal
  04/03/2026 12 PM PDT            4.44            561         -              Normal
  04/03/2026 01 PM PDT            4.44            561         0              Normal
  04/03/2026 02 PM PDT            4.43            555         -              Normal
  04/03/2026 03 PM PDT            4.43            555         0              Normal
  04/03/2026 04 PM PDT            4.42            550         -              Normal
  04/03/2026 05 PM PDT            4.42            550         0              Normal
  04/03/2026 06 PM PDT            4.41            544         -              Normal
  04/03/2026 07 PM PDT            4.41            544         0              Normal
  04/03/2026 08 PM PDT            4.40            539         -              Normal
  04/03/2026 09 PM PDT            4.40            539         0              Normal
  04/03/2026 10 PM PDT            4.39            533         -              Normal
  04/03/2026 11 PM PDT            4.39            533         0              Normal
  04/04/2026 12 AM PDT            4.39            533         0              Normal
  04/04/2026 01 AM PDT            4.38            528         -              Normal
  04/04/2026 02 AM PDT            4.38            528         0              Normal
  04/04/2026 03 AM PDT            4.38            528         0              Normal
  04/04/2026 04 AM PDT            4.37            522         -              Normal
  04/04/2026 05 AM PDT            4.37            522         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.