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 22 2026 at 7:49 AM PDTNext Issuance: Apr 23 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:  04/22/2026 at 07:49 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/22/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       6.23 Feet
# Maximum Observed Flow:                        2300 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       6.16 Feet
# Maximum Forecast Flow:                        2200 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  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            5.32           1214         +              Normal
  04/21/2026 02 PM PDT            5.34           1233         +              Normal
  04/21/2026 03 PM PDT            5.35           1243         +              Normal
  04/21/2026 04 PM PDT            5.40           1292         +              Normal
  04/21/2026 05 PM PDT            5.46           1352         +              Normal
  04/21/2026 06 PM PDT            5.56           1457         +              Normal
  04/21/2026 07 PM PDT            5.63           1534         +              Normal
  04/21/2026 08 PM PDT            5.69           1602         +              Normal
  04/21/2026 09 PM PDT            5.75           1671         +              Normal
  04/21/2026 10 PM PDT            5.83           1767         +              Normal
  04/21/2026 11 PM PDT            5.94           1905         +              Normal
  04/22/2026 12 AM PDT            6.04           2036         +              Normal
  04/22/2026 01 AM PDT            6.13           2158         +              Normal
  04/22/2026 02 AM PDT            6.20           2257         +              Normal
  04/22/2026 03 AM PDT            6.23           2300         +              Normal
  04/22/2026 04 AM PDT            6.22           2286         -              Normal
  04/22/2026 05 AM PDT            6.23           2300         +              Normal
  04/22/2026 06 AM PDT            6.22           2286         -              Normal
  04/22/2026 07 AM PDT            6.20           2257         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/22/2026 08 AM PDT            6.16           2200                        Normal
  04/22/2026 09 AM PDT            6.11           2131         -              Normal
  04/22/2026 10 AM PDT            6.05           2049         -              Normal
  04/22/2026 11 AM PDT            6.00           1983         -              Normal
  04/22/2026 12 PM PDT            5.97           1944         -              Normal
  04/22/2026 01 PM PDT            5.95           1918         -              Normal
  04/22/2026 02 PM PDT            5.94           1905         -              Normal
  04/22/2026 03 PM PDT            5.95           1918         +              Normal
  04/22/2026 04 PM PDT            5.98           1957         +              Normal
  04/22/2026 05 PM PDT            6.01           1996         +              Normal
  04/22/2026 06 PM PDT            6.04           2036         +              Normal
  04/22/2026 07 PM PDT            6.05           2049         +              Normal
  04/22/2026 08 PM PDT            6.04           2036         -              Normal
  04/22/2026 09 PM PDT            6.03           2022         -              Normal
  04/22/2026 10 PM PDT            6.01           1996         -              Normal
  04/22/2026 11 PM PDT            5.99           1970         -              Normal
  04/23/2026 12 AM PDT            5.96           1931         -              Normal
  04/23/2026 01 AM PDT            5.94           1905         -              Normal
  04/23/2026 02 AM PDT            5.91           1867         -              Normal
  04/23/2026 03 AM PDT            5.88           1829         -              Normal
  04/23/2026 04 AM PDT            5.84           1780         -              Normal
  04/23/2026 05 AM PDT            5.81           1743         -              Normal
  04/23/2026 06 AM PDT            5.79           1719         -              Normal
  04/23/2026 07 AM PDT            5.76           1683         -              Normal
  04/23/2026 08 AM PDT            5.74           1660         -              Normal
  04/23/2026 09 AM PDT            5.71           1625         -              Normal
  04/23/2026 10 AM PDT            5.69           1602         -              Normal
  04/23/2026 11 AM PDT            5.67           1579         -              Normal
  04/23/2026 12 PM PDT            5.66           1568         -              Normal
  04/23/2026 01 PM PDT            5.64           1545         -              Normal
  04/23/2026 02 PM PDT            5.63           1534         -              Normal
  04/23/2026 03 PM PDT            5.61           1512         -              Normal
  04/23/2026 04 PM PDT            5.59           1490         -              Normal
  04/23/2026 05 PM PDT            5.58           1479         -              Normal
  04/23/2026 06 PM PDT            5.57           1468         -              Normal
  04/23/2026 07 PM PDT            5.56           1457         -              Normal
  04/23/2026 08 PM PDT            5.56           1457         0              Normal
  04/23/2026 09 PM PDT            5.55           1447         -              Normal
  04/23/2026 10 PM PDT            5.54           1436         -              Normal
  04/23/2026 11 PM PDT            5.53           1425         -              Normal
  04/24/2026 12 AM PDT            5.53           1425         0              Normal
  04/24/2026 01 AM PDT            5.53           1425         0              Normal
  04/24/2026 02 AM PDT            5.53           1425         0              Normal
  04/24/2026 03 AM PDT            5.53           1425         0              Normal
  04/24/2026 04 AM PDT            5.52           1415         -              Normal
  04/24/2026 05 AM PDT            5.52           1415         0              Normal
  04/24/2026 06 AM PDT            5.51           1404         -              Normal
  04/24/2026 07 AM PDT            5.51           1404         0              Normal
  04/24/2026 08 AM PDT            5.50           1394         -              Normal
  04/24/2026 09 AM PDT            5.50           1394         0              Normal
  04/24/2026 10 AM PDT            5.49           1383         -              Normal
  04/24/2026 11 AM PDT            5.48           1373         -              Normal
  04/24/2026 12 PM PDT            5.47           1363         -              Normal
  04/24/2026 01 PM PDT            5.47           1363         0              Normal
  04/24/2026 02 PM PDT            5.46           1352         -              Normal
  04/24/2026 03 PM PDT            5.45           1342         -              Normal
  04/24/2026 04 PM PDT            5.44           1332         -              Normal
  04/24/2026 05 PM PDT            5.43           1322         -              Normal
  04/24/2026 06 PM PDT            5.42           1312         -              Normal
  04/24/2026 07 PM PDT            5.41           1302         -              Normal
  04/24/2026 08 PM PDT            5.41           1302         0              Normal
  04/24/2026 09 PM PDT            5.40           1292         -              Normal
  04/24/2026 10 PM PDT            5.39           1282         -              Normal
  04/24/2026 11 PM PDT            5.38           1272         -              Normal
  04/25/2026 12 AM PDT            5.37           1262         -              Normal
  04/25/2026 01 AM PDT            5.36           1252         -              Normal
  04/25/2026 02 AM PDT            5.36           1252         0              Normal
  04/25/2026 03 AM PDT            5.36           1252         0              Normal
  04/25/2026 04 AM PDT            5.36           1252         0              Normal
  04/25/2026 05 AM PDT            5.35           1243         -              Normal
  04/25/2026 06 AM PDT            5.35           1243         0              Normal
  04/25/2026 07 AM PDT            5.34           1233         -              Normal
  04/25/2026 08 AM PDT            5.34           1233         0              Normal
  04/25/2026 09 AM PDT            5.33           1223         -              Normal
  04/25/2026 10 AM PDT            5.32           1214         -              Normal
  04/25/2026 11 AM PDT            5.31           1204         -              Normal
  04/25/2026 12 PM PDT            5.30           1195         -              Normal
  04/25/2026 01 PM PDT            5.29           1185         -              Normal
  04/25/2026 02 PM PDT            5.28           1176         -              Normal
  04/25/2026 03 PM PDT            5.27           1166         -              Normal
  04/25/2026 04 PM PDT            5.26           1157         -              Normal
  04/25/2026 05 PM PDT            5.25           1148         -              Normal
  04/25/2026 06 PM PDT            5.24           1139         -              Normal
  04/25/2026 07 PM PDT            5.23           1130         -              Normal
  04/25/2026 08 PM PDT            5.23           1130         0              Normal
  04/25/2026 09 PM PDT            5.22           1121         -              Normal
  04/25/2026 10 PM PDT            5.21           1112         -              Normal
  04/25/2026 11 PM PDT            5.21           1112         0              Normal
  04/26/2026 12 AM PDT            5.21           1112         0              Normal
  04/26/2026 01 AM PDT            5.20           1104         -              Normal
  04/26/2026 02 AM PDT            5.20           1104         0              Normal
  04/26/2026 03 AM PDT            5.20           1104         0              Normal
  04/26/2026 04 AM PDT            5.20           1104         0              Normal
  04/26/2026 05 AM PDT            5.19           1095         -              Normal
  04/26/2026 06 AM PDT            5.19           1095         0              Normal
  04/26/2026 07 AM PDT            5.18           1086         -              Normal
  04/26/2026 08 AM PDT            5.18           1086         0              Normal
  04/26/2026 09 AM PDT            5.17           1078         -              Normal
  04/26/2026 10 AM PDT            5.17           1078         0              Normal
  04/26/2026 11 AM PDT            5.16           1069         -              Normal
  04/26/2026 12 PM PDT            5.15           1060         -              Normal
  04/26/2026 01 PM PDT            5.14           1052         -              Normal
  04/26/2026 02 PM PDT            5.13           1043         -              Normal
  04/26/2026 03 PM PDT            5.12           1035         -              Normal
  04/26/2026 04 PM PDT            5.12           1035         0              Normal
  04/26/2026 05 PM PDT            5.11           1027         -              Normal
  04/26/2026 06 PM PDT            5.10           1018         -              Normal
  04/26/2026 07 PM PDT            5.09           1010         -              Normal
  04/26/2026 08 PM PDT            5.08           1002         -              Normal
  04/26/2026 09 PM PDT            5.07            994         -              Normal
  04/26/2026 10 PM PDT            5.06            986         -              Normal
  04/26/2026 11 PM PDT            5.05            977         -              Normal
  04/27/2026 12 AM PDT            5.04            969         -              Normal
  04/27/2026 01 AM PDT            5.03            961         -              Normal
  04/27/2026 02 AM PDT            5.03            961         0              Normal
  04/27/2026 03 AM PDT            5.02            953         -              Normal
  04/27/2026 04 AM PDT            5.01            945         -              Normal
  04/27/2026 05 AM PDT            5.00            938         -              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.