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: Apr 21 2026 at 1:28 PM PDTNext Issuance: Apr 22 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:  04/21/2026 at 01:28 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/16/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       5.76 Feet
# Maximum Observed Flow:                        1683 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 04:00 AM PDT
# Maximum Forecast Stage:                       7.08 Feet
# Maximum Forecast Flow:                        3756 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/16/2026 01 PM PDT            5.76           1683                        Normal
  04/16/2026 02 PM PDT            5.76           1683         0              Normal
  04/16/2026 03 PM PDT            5.74           1660         -              Normal
  04/16/2026 04 PM PDT            5.73           1648         -              Normal
  04/16/2026 05 PM PDT            5.72           1636         -              Normal
  04/16/2026 06 PM PDT            5.71           1625         -              Normal
  04/16/2026 07 PM PDT            5.70           1613         -              Normal
  04/16/2026 08 PM PDT            5.69           1602         -              Normal
  04/16/2026 09 PM PDT            5.68           1590         -              Normal
  04/16/2026 10 PM PDT            5.67           1579         -              Normal
  04/16/2026 11 PM PDT            5.67           1579         0              Normal
  04/17/2026 12 AM PDT            5.66           1568         -              Normal
  04/17/2026 01 AM PDT            5.64           1545         -              Normal
  04/17/2026 02 AM PDT            5.64           1545         0              Normal
  04/17/2026 03 AM PDT            5.63           1534         -              Normal
  04/17/2026 04 AM PDT            5.62           1523         -              Normal
  04/17/2026 05 AM PDT            5.62           1523         0              Normal
  04/17/2026 06 AM PDT            5.61           1512         -              Normal
  04/17/2026 07 AM PDT            5.63           1534         +              Normal
  04/17/2026 08 AM PDT            5.63           1534         0              Normal
  04/17/2026 09 AM PDT            5.64           1545         +              Normal
  04/17/2026 10 AM PDT            5.65           1556         +              Normal
  04/17/2026 11 AM PDT            5.67           1579         +              Normal
  04/17/2026 12 PM PDT            5.67           1579         0              Normal
  04/17/2026 01 PM PDT            5.66           1568         -              Normal
  04/17/2026 02 PM PDT            5.65           1556         -              Normal
  04/17/2026 03 PM PDT            5.64           1545         -              Normal
  04/17/2026 04 PM PDT            5.64           1545         0              Normal
  04/17/2026 05 PM PDT            5.62           1523         -              Normal
  04/17/2026 06 PM PDT            5.62           1523         0              Normal
  04/17/2026 07 PM PDT            5.61           1512         -              Normal
  04/17/2026 08 PM PDT            5.59           1490         -              Normal
  04/17/2026 09 PM PDT            5.58           1479         -              Normal
  04/17/2026 10 PM PDT            5.58           1479         0              Normal
  04/17/2026 11 PM PDT            5.56           1457         -              Normal
  04/18/2026 12 AM PDT            5.56           1457         0              Normal
  04/18/2026 01 AM PDT            5.53           1425         -              Normal
  04/18/2026 02 AM PDT            5.54           1436         +              Normal
  04/18/2026 03 AM PDT            5.52           1415         -              Normal
  04/18/2026 04 AM PDT            5.52           1415         0              Normal
  04/18/2026 05 AM PDT            5.50           1394         -              Normal
  04/18/2026 06 AM PDT            5.50           1394         0              Normal
  04/18/2026 07 AM PDT            5.49           1383         -              Normal
  04/18/2026 08 AM PDT            5.49           1383         0              Normal
  04/18/2026 09 AM PDT            5.49           1383         0              Normal
  04/18/2026 10 AM PDT            5.49           1383         0              Normal
  04/18/2026 11 AM PDT            5.50           1394         +              Normal
  04/18/2026 12 PM PDT            5.51           1404         +              Normal
  04/18/2026 01 PM PDT            5.51           1404         0              Normal
  04/18/2026 02 PM PDT            5.51           1404         0              Normal
  04/18/2026 03 PM PDT            5.51           1404         0              Normal
  04/18/2026 04 PM PDT            5.50           1394         -              Normal
  04/18/2026 05 PM PDT            5.49           1383         -              Normal
  04/18/2026 06 PM PDT            5.48           1373         -              Normal
  04/18/2026 07 PM PDT            5.51           1404         +              Normal
  04/18/2026 08 PM PDT            5.50           1394         -              Normal
  04/18/2026 09 PM PDT            5.49           1383         -              Normal
  04/18/2026 10 PM PDT            5.49           1383         0              Normal
  04/18/2026 11 PM PDT            5.48           1373         -              Normal
  04/19/2026 12 AM PDT            5.47           1363         -              Normal
  04/19/2026 01 AM PDT            5.46           1352         -              Normal
  04/19/2026 02 AM PDT            5.45           1342         -              Normal
  04/19/2026 03 AM PDT            5.44           1332         -              Normal
  04/19/2026 04 AM PDT            5.43           1322         -              Normal
  04/19/2026 05 AM PDT            5.43           1322         0              Normal
  04/19/2026 06 AM PDT            5.42           1312         -              Normal
  04/19/2026 07 AM PDT            5.41           1302         -              Normal
  04/19/2026 08 AM PDT            5.38           1272         -              Normal
  04/19/2026 09 AM PDT            5.38           1272         0              Normal
  04/19/2026 10 AM PDT            5.39           1282         +              Normal
  04/19/2026 11 AM PDT            5.40           1292         +              Normal
  04/19/2026 12 PM PDT            5.40           1292         0              Normal
  04/19/2026 01 PM PDT            5.41           1302         +              Normal
  04/19/2026 02 PM PDT            5.41           1302         0              Normal
  04/19/2026 03 PM PDT            5.40           1292         -              Normal
  04/19/2026 04 PM PDT            5.39           1282         -              Normal
  04/19/2026 05 PM PDT            5.39           1282         0              Normal
  04/19/2026 06 PM PDT            5.38           1272         -              Normal
  04/19/2026 07 PM PDT            5.36           1252         -              Normal
  04/19/2026 08 PM PDT            5.36           1252         0              Normal
  04/19/2026 09 PM PDT            5.35           1243         -              Normal
  04/19/2026 10 PM PDT            5.34           1233         -              Normal
  04/19/2026 11 PM PDT            5.33           1223         -              Normal
  04/20/2026 12 AM PDT            5.32           1214         -              Normal
  04/20/2026 01 AM PDT            5.31           1204         -              Normal
  04/20/2026 02 AM PDT            5.30           1195         -              Normal
  04/20/2026 03 AM PDT            5.29           1185         -              Normal
  04/20/2026 04 AM PDT            5.29           1185         0              Normal
  04/20/2026 05 AM PDT            5.28           1176         -              Normal
  04/20/2026 06 AM PDT            5.27           1166         -              Normal
  04/20/2026 07 AM PDT            5.26           1157         -              Normal
  04/20/2026 08 AM PDT            5.25           1148         -              Normal
  04/20/2026 09 AM PDT            5.25           1148         0              Normal
  04/20/2026 10 AM PDT            5.24           1139         -              Normal
  04/20/2026 11 AM PDT            5.25           1148         +              Normal
  04/20/2026 12 PM PDT            5.25           1148         0              Normal
  04/20/2026 01 PM PDT            5.26           1157         +              Normal
  04/20/2026 02 PM PDT            5.26           1157         0              Normal
  04/20/2026 03 PM PDT            5.25           1148         -              Normal
  04/20/2026 04 PM PDT            5.25           1148         0              Normal
  04/20/2026 05 PM PDT            5.24           1139         -              Normal
  04/20/2026 06 PM PDT            5.23           1130         -              Normal
  04/20/2026 07 PM PDT            5.23           1130         0              Normal
  04/20/2026 08 PM PDT            5.22           1121         -              Normal
  04/20/2026 09 PM PDT            5.21           1112         -              Normal
  04/20/2026 10 PM PDT            5.21           1112         0              Normal
  04/20/2026 11 PM PDT            5.20           1104         -              Normal
  04/21/2026 12 AM PDT            5.19           1095         -              Normal
  04/21/2026 01 AM PDT            5.18           1086         -              Normal
  04/21/2026 02 AM PDT            5.17           1078         -              Normal
  04/21/2026 03 AM PDT            5.17           1078         0              Normal
  04/21/2026 04 AM PDT            5.18           1086         +              Normal
  04/21/2026 05 AM PDT            5.18           1086         0              Normal
  04/21/2026 06 AM PDT            5.18           1086         0              Normal
  04/21/2026 07 AM PDT            5.18           1086         0              Normal
  04/21/2026 08 AM PDT            5.18           1086         0              Normal
  04/21/2026 09 AM PDT            5.19           1095         +              Normal
  04/21/2026 10 AM PDT            5.21           1112         +              Normal
  04/21/2026 11 AM PDT            5.26           1157         +              Normal
  04/21/2026 12 PM PDT            5.29           1185         +              Normal
  04/21/2026 01 PM PDT            5.31           1204         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/21/2026 02 PM PDT            5.33           1223                        Normal
  04/21/2026 03 PM PDT            5.41           1302         +              Normal
  04/21/2026 04 PM PDT            5.55           1447         +              Normal
  04/21/2026 05 PM PDT            5.70           1613         +              Normal
  04/21/2026 06 PM PDT            5.85           1792         +              Normal
  04/21/2026 07 PM PDT            6.03           2022         +              Normal
  04/21/2026 08 PM PDT            6.25           2329         +              Normal
  04/21/2026 09 PM PDT            6.47           2665         +              Normal
  04/21/2026 10 PM PDT            6.65           2962         +              Normal
  04/21/2026 11 PM PDT            6.79           3207         +              Normal
  04/22/2026 12 AM PDT            6.91           3428         +              Normal
  04/22/2026 01 AM PDT            7.00           3599         +      Action/Monitor
  04/22/2026 02 AM PDT            7.05           3697         +      Action/Monitor
  04/22/2026 03 AM PDT            7.07           3736         +      Action/Monitor
  04/22/2026 04 AM PDT            7.08           3756         +      Action/Monitor
  04/22/2026 05 AM PDT            7.08           3756         0      Action/Monitor
  04/22/2026 06 AM PDT            7.08           3756         0      Action/Monitor
  04/22/2026 07 AM PDT            7.08           3756         0      Action/Monitor
  04/22/2026 08 AM PDT            7.07           3736         -      Action/Monitor
  04/22/2026 09 AM PDT            7.04           3677         -      Action/Monitor
  04/22/2026 10 AM PDT            7.01           3618         -      Action/Monitor
  04/22/2026 11 AM PDT            6.99           3580         -              Normal
  04/22/2026 12 PM PDT            6.96           3522         -              Normal
  04/22/2026 01 PM PDT            6.92           3446         -              Normal
  04/22/2026 02 PM PDT            6.89           3390         -              Normal
  04/22/2026 03 PM PDT            6.85           3316         -              Normal
  04/22/2026 04 PM PDT            6.82           3261         -              Normal
  04/22/2026 05 PM PDT            6.79           3207         -              Normal
  04/22/2026 06 PM PDT            6.76           3154         -              Normal
  04/22/2026 07 PM PDT            6.73           3101         -              Normal
  04/22/2026 08 PM PDT            6.68           3013         -              Normal
  04/22/2026 09 PM PDT            6.63           2928         -              Normal
  04/22/2026 10 PM PDT            6.58           2844         -              Normal
  04/22/2026 11 PM PDT            6.55           2795         -              Normal
  04/23/2026 12 AM PDT            6.51           2729         -              Normal
  04/23/2026 01 AM PDT            6.48           2681         -              Normal
  04/23/2026 02 AM PDT            6.44           2618         -              Normal
  04/23/2026 03 AM PDT            6.40           2555         -              Normal
  04/23/2026 04 AM PDT            6.37           2509         -              Normal
  04/23/2026 05 AM PDT            6.34           2463         -              Normal
  04/23/2026 06 AM PDT            6.32           2433         -              Normal
  04/23/2026 07 AM PDT            6.29           2388         -              Normal
  04/23/2026 08 AM PDT            6.27           2359         -              Normal
  04/23/2026 09 AM PDT            6.24           2315         -              Normal
  04/23/2026 10 AM PDT            6.22           2286         -              Normal
  04/23/2026 11 AM PDT            6.20           2257         -              Normal
  04/23/2026 12 PM PDT            6.18           2229         -              Normal
  04/23/2026 01 PM PDT            6.16           2200         -              Normal
  04/23/2026 02 PM PDT            6.14           2172         -              Normal
  04/23/2026 03 PM PDT            6.11           2131         -              Normal
  04/23/2026 04 PM PDT            6.09           2103         -              Normal
  04/23/2026 05 PM PDT            6.07           2076         -              Normal
  04/23/2026 06 PM PDT            6.06           2063         -              Normal
  04/23/2026 07 PM PDT            6.04           2036         -              Normal
  04/23/2026 08 PM PDT            6.03           2022         -              Normal
  04/23/2026 09 PM PDT            6.01           1996         -              Normal
  04/23/2026 10 PM PDT            5.99           1970         -              Normal
  04/23/2026 11 PM PDT            5.98           1957         -              Normal
  04/24/2026 12 AM PDT            5.97           1944         -              Normal
  04/24/2026 01 AM PDT            5.96           1931         -              Normal
  04/24/2026 02 AM PDT            5.95           1918         -              Normal
  04/24/2026 03 AM PDT            5.94           1905         -              Normal
  04/24/2026 04 AM PDT            5.92           1879         -              Normal
  04/24/2026 05 AM PDT            5.92           1879         0              Normal
  04/24/2026 06 AM PDT            5.91           1867         -              Normal
  04/24/2026 07 AM PDT            5.90           1854         -              Normal
  04/24/2026 08 AM PDT            5.89           1841         -              Normal
  04/24/2026 09 AM PDT            5.87           1817         -              Normal
  04/24/2026 10 AM PDT            5.86           1804         -              Normal
  04/24/2026 11 AM PDT            5.84           1780         -              Normal
  04/24/2026 12 PM PDT            5.83           1767         -              Normal
  04/24/2026 01 PM PDT            5.82           1755         -              Normal
  04/24/2026 02 PM PDT            5.80           1731         -              Normal
  04/24/2026 03 PM PDT            5.79           1719         -              Normal
  04/24/2026 04 PM PDT            5.77           1695         -              Normal
  04/24/2026 05 PM PDT            5.75           1671         -              Normal
  04/24/2026 06 PM PDT            5.74           1660         -              Normal
  04/24/2026 07 PM PDT            5.73           1648         -              Normal
  04/24/2026 08 PM PDT            5.71           1625         -              Normal
  04/24/2026 09 PM PDT            5.70           1613         -              Normal
  04/24/2026 10 PM PDT            5.68           1590         -              Normal
  04/24/2026 11 PM PDT            5.67           1579         -              Normal
  04/25/2026 12 AM PDT            5.66           1568         -              Normal
  04/25/2026 01 AM PDT            5.66           1568         0              Normal
  04/25/2026 02 AM PDT            5.65           1556         -              Normal
  04/25/2026 03 AM PDT            5.64           1545         -              Normal
  04/25/2026 04 AM PDT            5.64           1545         0              Normal
  04/25/2026 05 AM PDT            5.63           1534         -              Normal
  04/25/2026 06 AM PDT            5.62           1523         -              Normal
  04/25/2026 07 AM PDT            5.61           1512         -              Normal
  04/25/2026 08 AM PDT            5.60           1501         -              Normal
  04/25/2026 09 AM PDT            5.59           1490         -              Normal
  04/25/2026 10 AM PDT            5.58           1479         -              Normal
  04/25/2026 11 AM PDT            5.57           1468         -              Normal
  04/25/2026 12 PM PDT            5.55           1447         -              Normal
  04/25/2026 01 PM PDT            5.54           1436         -              Normal
  04/25/2026 02 PM PDT            5.53           1425         -              Normal
  04/25/2026 03 PM PDT            5.51           1404         -              Normal
  04/25/2026 04 PM PDT            5.50           1394         -              Normal
  04/25/2026 05 PM PDT            5.48           1373         -              Normal
  04/25/2026 06 PM PDT            5.47           1363         -              Normal
  04/25/2026 07 PM PDT            5.46           1352         -              Normal
  04/25/2026 08 PM PDT            5.45           1342         -              Normal
  04/25/2026 09 PM PDT            5.43           1322         -              Normal
  04/25/2026 10 PM PDT            5.42           1312         -              Normal
  04/25/2026 11 PM PDT            5.41           1302         -              Normal
  04/26/2026 12 AM PDT            5.40           1292         -              Normal
  04/26/2026 01 AM PDT            5.39           1282         -              Normal
  04/26/2026 02 AM PDT            5.38           1272         -              Normal
  04/26/2026 03 AM PDT            5.37           1262         -              Normal
  04/26/2026 04 AM PDT            5.36           1252         -              Normal
  04/26/2026 05 AM PDT            5.35           1243         -              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.