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

 | 

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 7:52 AM PDTNext Issuance: Apr 21 2026 at 3:00 PM 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 07:53 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/16/2026 at 12:00 PM PDT
# Maximum Observed Stage:                       5.77 Feet
# Maximum Observed Flow:                        1695 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 03:00 AM PDT
# Maximum Forecast Stage:                       7.42 Feet
# Maximum Forecast Flow:                        4484 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/16/2026 07 AM PDT            5.70           1613                        Normal
  04/16/2026 08 AM PDT            5.72           1636         +              Normal
  04/16/2026 09 AM PDT            5.74           1660         +              Normal
  04/16/2026 10 AM PDT            5.75           1671         +              Normal
  04/16/2026 11 AM PDT            5.76           1683         +              Normal
  04/16/2026 12 PM PDT            5.77           1695         +              Normal
  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            5.16           1069         -              Normal
  04/21/2026 07 AM PDT            5.15           1060         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/21/2026 08 AM PDT            5.14           1052                        Normal
  04/21/2026 09 AM PDT            5.12           1035         -              Normal
  04/21/2026 10 AM PDT            5.11           1027         -              Normal
  04/21/2026 11 AM PDT            5.11           1027         0              Normal
  04/21/2026 12 PM PDT            5.12           1035         +              Normal
  04/21/2026 01 PM PDT            5.15           1060         +              Normal
  04/21/2026 02 PM PDT            5.23           1130         +              Normal
  04/21/2026 03 PM PDT            5.37           1262         +              Normal
  04/21/2026 04 PM PDT            5.54           1436         +              Normal
  04/21/2026 05 PM PDT            5.76           1683         +              Normal
  04/21/2026 06 PM PDT            5.94           1905         +              Normal
  04/21/2026 07 PM PDT            6.14           2172         +              Normal
  04/21/2026 08 PM PDT            6.43           2602         +              Normal
  04/21/2026 09 PM PDT            6.71           3066         +              Normal
  04/21/2026 10 PM PDT            6.93           3465         +              Normal
  04/21/2026 11 PM PDT            7.09           3776         +      Action/Monitor
  04/22/2026 12 AM PDT            7.24           4086         +      Action/Monitor
  04/22/2026 01 AM PDT            7.34           4304         +      Action/Monitor
  04/22/2026 02 AM PDT            7.40           4438         +      Action/Monitor
  04/22/2026 03 AM PDT            7.42           4484         +      Action/Monitor
  04/22/2026 04 AM PDT            7.42           4484         0      Action/Monitor
  04/22/2026 05 AM PDT            7.42           4484         0      Action/Monitor
  04/22/2026 06 AM PDT            7.40           4438         -      Action/Monitor
  04/22/2026 07 AM PDT            7.38           4393         -      Action/Monitor
  04/22/2026 08 AM PDT            7.34           4304         -      Action/Monitor
  04/22/2026 09 AM PDT            7.29           4194         -      Action/Monitor
  04/22/2026 10 AM PDT            7.23           4064         -      Action/Monitor
  04/22/2026 11 AM PDT            7.17           3938         -      Action/Monitor
  04/22/2026 12 PM PDT            7.12           3836         -      Action/Monitor
  04/22/2026 01 PM PDT            7.06           3716         -      Action/Monitor
  04/22/2026 02 PM PDT            7.00           3599         -      Action/Monitor
  04/22/2026 03 PM PDT            6.94           3484         -              Normal
  04/22/2026 04 PM PDT            6.88           3372         -              Normal
  04/22/2026 05 PM PDT            6.83           3280         -              Normal
  04/22/2026 06 PM PDT            6.79           3207         -              Normal
  04/22/2026 07 PM PDT            6.75           3136         -              Normal
  04/22/2026 08 PM PDT            6.70           3048         -              Normal
  04/22/2026 09 PM PDT            6.65           2962         -              Normal
  04/22/2026 10 PM PDT            6.61           2894         -              Normal
  04/22/2026 11 PM PDT            6.58           2844         -              Normal
  04/23/2026 12 AM PDT            6.54           2778         -              Normal
  04/23/2026 01 AM PDT            6.51           2729         -              Normal
  04/23/2026 02 AM PDT            6.48           2681         -              Normal
  04/23/2026 03 AM PDT            6.44           2618         -              Normal
  04/23/2026 04 AM PDT            6.41           2571         -              Normal
  04/23/2026 05 AM PDT            6.39           2540         -              Normal
  04/23/2026 06 AM PDT            6.37           2509         -              Normal
  04/23/2026 07 AM PDT            6.35           2478         -              Normal
  04/23/2026 08 AM PDT            6.32           2433         -              Normal
  04/23/2026 09 AM PDT            6.30           2403         -              Normal
  04/23/2026 10 AM PDT            6.27           2359         -              Normal
  04/23/2026 11 AM PDT            6.25           2329         -              Normal
  04/23/2026 12 PM PDT            6.23           2300         -              Normal
  04/23/2026 01 PM PDT            6.21           2271         -              Normal
  04/23/2026 02 PM PDT            6.19           2243         -              Normal
  04/23/2026 03 PM PDT            6.17           2214         -              Normal
  04/23/2026 04 PM PDT            6.15           2186         -              Normal
  04/23/2026 05 PM PDT            6.13           2158         -              Normal
  04/23/2026 06 PM PDT            6.12           2145         -              Normal
  04/23/2026 07 PM PDT            6.10           2117         -              Normal
  04/23/2026 08 PM PDT            6.09           2103         -              Normal
  04/23/2026 09 PM PDT            6.07           2076         -              Normal
  04/23/2026 10 PM PDT            6.06           2063         -              Normal
  04/23/2026 11 PM PDT            6.04           2036         -              Normal
  04/24/2026 12 AM PDT            6.04           2036         0              Normal
  04/24/2026 01 AM PDT            6.03           2022         -              Normal
  04/24/2026 02 AM PDT            6.03           2022         0              Normal
  04/24/2026 03 AM PDT            6.01           1996         -              Normal
  04/24/2026 04 AM PDT            6.00           1983         -              Normal
  04/24/2026 05 AM PDT            5.99           1970         -              Normal
  04/24/2026 06 AM PDT            5.98           1957         -              Normal
  04/24/2026 07 AM PDT            5.97           1944         -              Normal
  04/24/2026 08 AM PDT            5.96           1931         -              Normal
  04/24/2026 09 AM PDT            5.95           1918         -              Normal
  04/24/2026 10 AM PDT            5.93           1892         -              Normal
  04/24/2026 11 AM PDT            5.92           1879         -              Normal
  04/24/2026 12 PM PDT            5.90           1854         -              Normal
  04/24/2026 01 PM PDT            5.89           1841         -              Normal
  04/24/2026 02 PM PDT            5.88           1829         -              Normal
  04/24/2026 03 PM PDT            5.86           1804         -              Normal
  04/24/2026 04 PM PDT            5.85           1792         -              Normal
  04/24/2026 05 PM PDT            5.83           1767         -              Normal
  04/24/2026 06 PM PDT            5.82           1755         -              Normal
  04/24/2026 07 PM PDT            5.81           1743         -              Normal
  04/24/2026 08 PM PDT            5.80           1731         -              Normal
  04/24/2026 09 PM PDT            5.78           1707         -              Normal
  04/24/2026 10 PM PDT            5.77           1695         -              Normal
  04/24/2026 11 PM PDT            5.76           1683         -              Normal
  04/25/2026 12 AM PDT            5.75           1671         -              Normal
  04/25/2026 01 AM PDT            5.75           1671         0              Normal
  04/25/2026 02 AM PDT            5.74           1660         -              Normal
  04/25/2026 03 AM PDT            5.74           1660         0              Normal
  04/25/2026 04 AM PDT            5.73           1648         -              Normal
  04/25/2026 05 AM PDT            5.72           1636         -              Normal
  04/25/2026 06 AM PDT            5.71           1625         -              Normal
  04/25/2026 07 AM PDT            5.70           1613         -              Normal
  04/25/2026 08 AM PDT            5.69           1602         -              Normal
  04/25/2026 09 AM PDT            5.68           1590         -              Normal
  04/25/2026 10 AM PDT            5.67           1579         -              Normal
  04/25/2026 11 AM PDT            5.66           1568         -              Normal
  04/25/2026 12 PM PDT            5.65           1556         -              Normal
  04/25/2026 01 PM PDT            5.63           1534         -              Normal
  04/25/2026 02 PM PDT            5.62           1523         -              Normal
  04/25/2026 03 PM PDT            5.61           1512         -              Normal
  04/25/2026 04 PM PDT            5.60           1501         -              Normal
  04/25/2026 05 PM PDT            5.59           1490         -              Normal
  04/25/2026 06 PM PDT            5.57           1468         -              Normal
  04/25/2026 07 PM PDT            5.56           1457         -              Normal
  04/25/2026 08 PM PDT            5.55           1447         -              Normal
  04/25/2026 09 PM PDT            5.54           1436         -              Normal
  04/25/2026 10 PM PDT            5.53           1425         -              Normal
  04/25/2026 11 PM PDT            5.52           1415         -              Normal
  04/26/2026 12 AM PDT            5.51           1404         -              Normal
  04/26/2026 01 AM PDT            5.50           1394         -              Normal
  04/26/2026 02 AM PDT            5.49           1383         -              Normal
  04/26/2026 03 AM PDT            5.48           1373         -              Normal
  04/26/2026 04 AM PDT            5.47           1363         -              Normal
  04/26/2026 05 AM PDT            5.47           1363         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.