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

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MIDDLE FORK FEATHER RIVER - MERRIMAC (MRMC1)
Latitude: 39.70º NLongitude: 121.27º WElevation: 1560 Feet
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Jan 24 2026 at 7:34 AM PSTNext Issuance: Jan 25 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Middle Fork Feather River - Merrimac (MRMC1)
#
# File Generation Time:  01/24/2026 at 07:36 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/19/2026 at 08:00 AM PST
# Maximum Observed Stage:                       1605.91 Feet
# Maximum Observed Flow:                        1399 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/24/2026 at 08:00 AM PST
# Maximum Forecast Stage:                       1605.62 Feet
# Maximum Forecast Flow:                        1146 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/19/2026 07 AM PST         1605.90           1388                Not Applicable
  01/19/2026 08 AM PST         1605.91           1399         +      Not Applicable
  01/19/2026 09 AM PST         1605.89           1377         -      Not Applicable
  01/19/2026 10 AM PST         1605.89           1377         0      Not Applicable
  01/19/2026 11 AM PST         1605.90           1388         +      Not Applicable
  01/19/2026 12 PM PST         1605.88           1367         -      Not Applicable
  01/19/2026 01 PM PST         1605.88           1367         0      Not Applicable
  01/19/2026 02 PM PST         1605.89           1377         +      Not Applicable
  01/19/2026 03 PM PST         1605.88           1367         -      Not Applicable
  01/19/2026 04 PM PST         1605.88           1367         0      Not Applicable
  01/19/2026 05 PM PST         1605.88           1367         0      Not Applicable
  01/19/2026 06 PM PST         1605.87           1357         -      Not Applicable
  01/19/2026 07 PM PST         1605.86           1346         -      Not Applicable
  01/19/2026 08 PM PST         1605.85           1336         -      Not Applicable
  01/19/2026 09 PM PST         1605.86           1346         +      Not Applicable
  01/19/2026 10 PM PST         1605.86           1346         0      Not Applicable
  01/19/2026 11 PM PST         1605.87           1357         +      Not Applicable
  01/20/2026 12 AM PST         1605.85           1336         -      Not Applicable
  01/20/2026 01 AM PST         1605.86           1346         +      Not Applicable
  01/20/2026 02 AM PST         1605.85           1336         -      Not Applicable
  01/20/2026 03 AM PST         1605.85           1336         0      Not Applicable
  01/20/2026 04 AM PST         1605.84           1326         -      Not Applicable
  01/20/2026 05 AM PST         1605.85           1336         +      Not Applicable
  01/20/2026 06 AM PST         1605.84           1326         -      Not Applicable
  01/20/2026 07 AM PST         1605.84           1326         0      Not Applicable
  01/20/2026 08 AM PST         1605.83           1316         -      Not Applicable
  01/20/2026 09 AM PST         1605.83           1316         0      Not Applicable
  01/20/2026 10 AM PST         1605.82           1306         -      Not Applicable
  01/20/2026 11 AM PST         1605.83           1316         +      Not Applicable
  01/20/2026 12 PM PST         1605.81           1296         -      Not Applicable
  01/20/2026 01 PM PST         1605.83           1316         +      Not Applicable
  01/20/2026 02 PM PST         1605.81           1296         -      Not Applicable
  01/20/2026 03 PM PST         1605.82           1306         +      Not Applicable
  01/20/2026 04 PM PST         1605.81           1296         -      Not Applicable
  01/20/2026 05 PM PST         1605.80           1286         -      Not Applicable
  01/20/2026 06 PM PST         1605.81           1296         +      Not Applicable
  01/20/2026 07 PM PST         1605.80           1286         -      Not Applicable
  01/20/2026 08 PM PST         1605.80           1286         0      Not Applicable
  01/20/2026 09 PM PST         1605.80           1286         0      Not Applicable
  01/20/2026 10 PM PST         1605.80           1286         0      Not Applicable
  01/20/2026 11 PM PST         1605.80           1286         0      Not Applicable
  01/21/2026 12 AM PST         1605.79           1278         -      Not Applicable
  01/21/2026 01 AM PST         1605.79           1278         0      Not Applicable
  01/21/2026 02 AM PST         1605.78           1269         -      Not Applicable
  01/21/2026 03 AM PST         1605.78           1269         0      Not Applicable
  01/21/2026 04 AM PST         1605.78           1269         0      Not Applicable
  01/21/2026 05 AM PST         1605.78           1269         0      Not Applicable
  01/21/2026 06 AM PST         1605.77           1261         -      Not Applicable
  01/21/2026 07 AM PST         1605.77           1261         0      Not Applicable
  01/21/2026 08 AM PST         1605.78           1269         +      Not Applicable
  01/21/2026 09 AM PST         1605.76           1253         -      Not Applicable
  01/21/2026 10 AM PST         1605.76           1253         0      Not Applicable
  01/21/2026 11 AM PST         1605.76           1253         0      Not Applicable
  01/21/2026 12 PM PST         1605.76           1253         0      Not Applicable
  01/21/2026 01 PM PST         1605.75           1244         -      Not Applicable
  01/21/2026 02 PM PST         1605.76           1253         +      Not Applicable
  01/21/2026 03 PM PST         1605.75           1244         -      Not Applicable
  01/21/2026 04 PM PST         1605.74           1236         -      Not Applicable
  01/21/2026 05 PM PST         1605.74           1236         0      Not Applicable
  01/21/2026 06 PM PST         1605.73           1228         -      Not Applicable
  01/21/2026 07 PM PST         1605.73           1228         0      Not Applicable
  01/21/2026 08 PM PST         1605.74           1236         +      Not Applicable
  01/21/2026 09 PM PST         1605.74           1236         0      Not Applicable
  01/21/2026 10 PM PST         1605.74           1236         0      Not Applicable
  01/21/2026 11 PM PST         1605.73           1228         -      Not Applicable
  01/22/2026 12 AM PST         1605.73           1228         0      Not Applicable
  01/22/2026 01 AM PST         1605.73           1228         0      Not Applicable
  01/22/2026 02 AM PST         1605.73           1228         0      Not Applicable
  01/22/2026 03 AM PST         1605.73           1228         0      Not Applicable
  01/22/2026 04 AM PST         1605.73           1228         0      Not Applicable
  01/22/2026 05 AM PST         1605.72           1220         -      Not Applicable
  01/22/2026 06 AM PST         1605.72           1220         0      Not Applicable
  01/22/2026 07 AM PST         1605.72           1220         0      Not Applicable
  01/22/2026 08 AM PST         1605.72           1220         0      Not Applicable
  01/22/2026 09 AM PST         1605.72           1220         0      Not Applicable
  01/22/2026 10 AM PST         1605.71           1212         -      Not Applicable
  01/22/2026 11 AM PST         1605.71           1212         0      Not Applicable
  01/22/2026 12 PM PST         1605.71           1212         0      Not Applicable
  01/22/2026 01 PM PST         1605.71           1212         0      Not Applicable
  01/22/2026 02 PM PST         1605.70           1204         -      Not Applicable
  01/22/2026 03 PM PST         1605.70           1204         0      Not Applicable
  01/22/2026 04 PM PST         1605.70           1204         0      Not Applicable
  01/22/2026 05 PM PST         1605.69           1197         -      Not Applicable
  01/22/2026 06 PM PST         1605.70           1204         +      Not Applicable
  01/22/2026 07 PM PST         1605.69           1197         -      Not Applicable
  01/22/2026 08 PM PST         1605.70           1204         +      Not Applicable
  01/22/2026 09 PM PST         1605.69           1197         -      Not Applicable
  01/22/2026 10 PM PST         1605.70           1204         +      Not Applicable
  01/22/2026 11 PM PST         1605.70           1204         0      Not Applicable
  01/23/2026 12 AM PST         1605.69           1197         -      Not Applicable
  01/23/2026 01 AM PST         1605.70           1204         +      Not Applicable
  01/23/2026 02 AM PST         1605.68           1189         -      Not Applicable
  01/23/2026 03 AM PST         1605.69           1197         +      Not Applicable
  01/23/2026 04 AM PST         1605.69           1197         0      Not Applicable
  01/23/2026 05 AM PST         1605.68           1189         -      Not Applicable
  01/23/2026 06 AM PST         1605.69           1197         +      Not Applicable
  01/23/2026 07 AM PST         1605.68           1189         -      Not Applicable
  01/23/2026 08 AM PST         1605.68           1189         0      Not Applicable
  01/23/2026 09 AM PST         1605.67           1182         -      Not Applicable
  01/23/2026 10 AM PST         1605.68           1189         +      Not Applicable
  01/23/2026 11 AM PST         1605.68           1189         0      Not Applicable
  01/23/2026 12 PM PST         1605.67           1182         -      Not Applicable
  01/23/2026 01 PM PST         1605.68           1189         +      Not Applicable
  01/23/2026 02 PM PST         1605.67           1182         -      Not Applicable
  01/23/2026 03 PM PST         1605.67           1182         0      Not Applicable
  01/23/2026 04 PM PST         1605.66           1175         -      Not Applicable
  01/23/2026 05 PM PST         1605.67           1182         +      Not Applicable
  01/23/2026 06 PM PST         1605.65           1167         -      Not Applicable
  01/23/2026 07 PM PST         1605.65           1167         0      Not Applicable
  01/23/2026 08 PM PST         1605.66           1175         +      Not Applicable
  01/23/2026 09 PM PST         1605.65           1167         -      Not Applicable
  01/23/2026 10 PM PST         1605.66           1175         +      Not Applicable
  01/23/2026 11 PM PST         1605.65           1167         -      Not Applicable
  01/24/2026 12 AM PST         1605.65           1167         0      Not Applicable
  01/24/2026 01 AM PST         1605.65           1167         0      Not Applicable
  01/24/2026 02 AM PST         1605.64           1160         -      Not Applicable
  01/24/2026 03 AM PST         1605.64           1160         0      Not Applicable
  01/24/2026 04 AM PST         1605.64           1160         0      Not Applicable
  01/24/2026 05 AM PST         1605.63           1153         -      Not Applicable
  01/24/2026 06 AM PST         1605.63           1153         0      Not Applicable
  01/24/2026 07 AM PST         1605.62           1146         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/24/2026 08 AM PST         1605.62           1146                Not Applicable
  01/24/2026 09 AM PST         1605.62           1146         0      Not Applicable
  01/24/2026 10 AM PST         1605.61           1139         -      Not Applicable
  01/24/2026 11 AM PST         1605.60           1132         -      Not Applicable
  01/24/2026 12 PM PST         1605.60           1132         0      Not Applicable
  01/24/2026 01 PM PST         1605.59           1125         -      Not Applicable
  01/24/2026 02 PM PST         1605.58           1117         -      Not Applicable
  01/24/2026 03 PM PST         1605.57           1110         -      Not Applicable
  01/24/2026 04 PM PST         1605.56           1103         -      Not Applicable
  01/24/2026 05 PM PST         1605.56           1103         0      Not Applicable
  01/24/2026 06 PM PST         1605.55           1096         -      Not Applicable
  01/24/2026 07 PM PST         1605.54           1089         -      Not Applicable
  01/24/2026 08 PM PST         1605.53           1082         -      Not Applicable
  01/24/2026 09 PM PST         1605.53           1082         0      Not Applicable
  01/24/2026 10 PM PST         1605.52           1075         -      Not Applicable
  01/24/2026 11 PM PST         1605.51           1068         -      Not Applicable
  01/25/2026 12 AM PST         1605.51           1068         0      Not Applicable
  01/25/2026 01 AM PST         1605.50           1061         -      Not Applicable
  01/25/2026 02 AM PST         1605.49           1053         -      Not Applicable
  01/25/2026 03 AM PST         1605.49           1053         0      Not Applicable
  01/25/2026 04 AM PST         1605.48           1046         -      Not Applicable
  01/25/2026 05 AM PST         1605.48           1046         0      Not Applicable
  01/25/2026 06 AM PST         1605.47           1038         -      Not Applicable
  01/25/2026 07 AM PST         1605.46           1031         -      Not Applicable
  01/25/2026 08 AM PST         1605.46           1031         0      Not Applicable
  01/25/2026 09 AM PST         1605.45           1023         -      Not Applicable
  01/25/2026 10 AM PST         1605.44           1016         -      Not Applicable
  01/25/2026 11 AM PST         1605.44           1016         0      Not Applicable
  01/25/2026 12 PM PST         1605.43           1009         -      Not Applicable
  01/25/2026 01 PM PST         1605.43           1009         0      Not Applicable
  01/25/2026 02 PM PST         1605.42           1001         -      Not Applicable
  01/25/2026 03 PM PST         1605.42           1001         0      Not Applicable
  01/25/2026 04 PM PST         1605.41            994         -      Not Applicable
  01/25/2026 05 PM PST         1605.40            987         -      Not Applicable
  01/25/2026 06 PM PST         1605.40            987         0      Not Applicable
  01/25/2026 07 PM PST         1605.39            980         -      Not Applicable
  01/25/2026 08 PM PST         1605.39            980         0      Not Applicable
  01/25/2026 09 PM PST         1605.38            972         -      Not Applicable
  01/25/2026 10 PM PST         1605.38            972         0      Not Applicable
  01/25/2026 11 PM PST         1605.37            965         -      Not Applicable
  01/26/2026 12 AM PST         1605.37            965         0      Not Applicable
  01/26/2026 01 AM PST         1605.37            965         0      Not Applicable
  01/26/2026 02 AM PST         1605.36            958         -      Not Applicable
  01/26/2026 03 AM PST         1605.36            958         0      Not Applicable
  01/26/2026 04 AM PST         1605.35            950         -      Not Applicable
  01/26/2026 05 AM PST         1605.35            950         0      Not Applicable
  01/26/2026 06 AM PST         1605.35            950         0      Not Applicable
  01/26/2026 07 AM PST         1605.35            950         0      Not Applicable
  01/26/2026 08 AM PST         1605.34            943         -      Not Applicable
  01/26/2026 09 AM PST         1605.34            943         0      Not Applicable
  01/26/2026 10 AM PST         1605.34            943         0      Not Applicable
  01/26/2026 11 AM PST         1605.33            936         -      Not Applicable
  01/26/2026 12 PM PST         1605.33            936         0      Not Applicable
  01/26/2026 01 PM PST         1605.33            936         0      Not Applicable
  01/26/2026 02 PM PST         1605.32            929         -      Not Applicable
  01/26/2026 03 PM PST         1605.32            929         0      Not Applicable
  01/26/2026 04 PM PST         1605.32            929         0      Not Applicable
  01/26/2026 05 PM PST         1605.31            922         -      Not Applicable
  01/26/2026 06 PM PST         1605.31            922         0      Not Applicable
  01/26/2026 07 PM PST         1605.31            922         0      Not Applicable
  01/26/2026 08 PM PST         1605.30            915         -      Not Applicable
  01/26/2026 09 PM PST         1605.30            915         0      Not Applicable
  01/26/2026 10 PM PST         1605.30            915         0      Not Applicable
  01/26/2026 11 PM PST         1605.30            915         0      Not Applicable
  01/27/2026 12 AM PST         1605.30            915         0      Not Applicable
  01/27/2026 01 AM PST         1605.30            915         0      Not Applicable
  01/27/2026 02 AM PST         1605.30            915         0      Not Applicable
  01/27/2026 03 AM PST         1605.30            915         0      Not Applicable
  01/27/2026 04 AM PST         1605.30            915         0      Not Applicable
  01/27/2026 05 AM PST         1605.29            908         -      Not Applicable
  01/27/2026 06 AM PST         1605.29            908         0      Not Applicable
  01/27/2026 07 AM PST         1605.29            908         0      Not Applicable
  01/27/2026 08 AM PST         1605.29            908         0      Not Applicable
  01/27/2026 09 AM PST         1605.29            908         0      Not Applicable
  01/27/2026 10 AM PST         1605.28            901         -      Not Applicable
  01/27/2026 11 AM PST         1605.28            901         0      Not Applicable
  01/27/2026 12 PM PST         1605.27            894         -      Not Applicable
  01/27/2026 01 PM PST         1605.27            894         0      Not Applicable
  01/27/2026 02 PM PST         1605.27            894         0      Not Applicable
  01/27/2026 03 PM PST         1605.26            887         -      Not Applicable
  01/27/2026 04 PM PST         1605.26            887         0      Not Applicable
  01/27/2026 05 PM PST         1605.25            880         -      Not Applicable
  01/27/2026 06 PM PST         1605.25            880         0      Not Applicable
  01/27/2026 07 PM PST         1605.25            880         0      Not Applicable
  01/27/2026 08 PM PST         1605.24            873         -      Not Applicable
  01/27/2026 09 PM PST         1605.24            873         0      Not Applicable
  01/27/2026 10 PM PST         1605.24            873         0      Not Applicable
  01/27/2026 11 PM PST         1605.24            873         0      Not Applicable
  01/28/2026 12 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 01 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 02 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 03 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 04 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 05 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 06 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 07 AM PST         1605.24            873         0      Not Applicable
  01/28/2026 08 AM PST         1605.23            866         -      Not Applicable
  01/28/2026 09 AM PST         1605.23            866         0      Not Applicable
  01/28/2026 10 AM PST         1605.23            866         0      Not Applicable
  01/28/2026 11 AM PST         1605.23            866         0      Not Applicable
  01/28/2026 12 PM PST         1605.23            866         0      Not Applicable
  01/28/2026 01 PM PST         1605.22            859         -      Not Applicable
  01/28/2026 02 PM PST         1605.22            859         0      Not Applicable
  01/28/2026 03 PM PST         1605.22            859         0      Not Applicable
  01/28/2026 04 PM PST         1605.21            853         -      Not Applicable
  01/28/2026 05 PM PST         1605.21            853         0      Not Applicable
  01/28/2026 06 PM PST         1605.21            853         0      Not Applicable
  01/28/2026 07 PM PST         1605.21            853         0      Not Applicable
  01/28/2026 08 PM PST         1605.21            853         0      Not Applicable
  01/28/2026 09 PM PST         1605.20            846         -      Not Applicable
  01/28/2026 10 PM PST         1605.20            846         0      Not Applicable
  01/28/2026 11 PM PST         1605.20            846         0      Not Applicable
  01/29/2026 12 AM PST         1605.20            846         0      Not Applicable
  01/29/2026 01 AM PST         1605.20            846         0      Not Applicable
  01/29/2026 02 AM PST         1605.20            846         0      Not Applicable
  01/29/2026 03 AM PST         1605.20            846         0      Not Applicable
  01/29/2026 04 AM PST         1605.20            846         0      Not Applicable
#
# 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.