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

 | 

MIDDLE FORK FEATHER RIVER - MERRIMAC (MRMC1)
Latitude: 39.70º NLongitude: 121.27º WElevation: 1560 FeetForecast Type: Unofficial Location
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Sep 06 2026 at 6:55 AM PDTNext Issuance: Sep 07 2026 at 9:00 AM PDT
Action: 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:  09/06/2026 at 06:56 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/04/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       1604.16 Feet
# Maximum Observed Flow:                        275 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/06/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       1603.87 Feet
# Maximum Forecast Flow:                        216 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/01/2026 06 AM PDT         1603.63            184                Not Applicable
  09/01/2026 07 AM PDT         1603.64            185         +      Not Applicable
  09/01/2026 08 AM PDT         1603.64            185         0      Not Applicable
  09/01/2026 09 AM PDT         1603.63            184         -      Not Applicable
  09/01/2026 10 AM PDT         1603.63            184         0      Not Applicable
  09/01/2026 11 AM PDT         1603.64            185         +      Not Applicable
  09/01/2026 12 PM PDT         1603.63            184         -      Not Applicable
  09/01/2026 01 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 02 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 03 PM PDT         1603.64            185         +      Not Applicable
  09/01/2026 04 PM PDT         1603.64            185         0      Not Applicable
  09/01/2026 05 PM PDT         1603.63            184         -      Not Applicable
  09/01/2026 06 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 07 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 08 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 09 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 10 PM PDT         1603.63            184         0      Not Applicable
  09/01/2026 11 PM PDT         1603.63            184         0      Not Applicable
  09/02/2026 12 AM PDT         1603.64            185         +      Not Applicable
  09/02/2026 01 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 02 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 03 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 04 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 05 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 06 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 07 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 08 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 09 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 10 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 11 AM PDT         1603.64            185         0      Not Applicable
  09/02/2026 12 PM PDT         1603.64            185         0      Not Applicable
  09/02/2026 01 PM PDT         1603.64            185         0      Not Applicable
  09/02/2026 02 PM PDT         1603.64            185         0      Not Applicable
  09/02/2026 03 PM PDT         1603.64            185         0      Not Applicable
  09/02/2026 04 PM PDT         1603.64            185         0      Not Applicable
  09/02/2026 05 PM PDT         1603.65            186         +      Not Applicable
  09/02/2026 06 PM PDT         1603.64            185         -      Not Applicable
  09/02/2026 07 PM PDT         1603.64            185         0      Not Applicable
  09/02/2026 08 PM PDT         1603.65            186         +      Not Applicable
  09/02/2026 09 PM PDT         1603.65            186         0      Not Applicable
  09/02/2026 10 PM PDT         1603.65            186         0      Not Applicable
  09/02/2026 11 PM PDT         1603.65            186         0      Not Applicable
  09/03/2026 12 AM PDT         1603.65            186         0      Not Applicable
  09/03/2026 01 AM PDT         1603.65            186         0      Not Applicable
  09/03/2026 02 AM PDT         1603.66            188         +      Not Applicable
  09/03/2026 03 AM PDT         1603.66            188         0      Not Applicable
  09/03/2026 04 AM PDT         1603.66            188         0      Not Applicable
  09/03/2026 05 AM PDT         1603.66            188         0      Not Applicable
  09/03/2026 06 AM PDT         1603.67            189         +      Not Applicable
  09/03/2026 07 AM PDT         1603.66            188         -      Not Applicable
  09/03/2026 08 AM PDT         1603.67            189         +      Not Applicable
  09/03/2026 09 AM PDT         1603.67            189         0      Not Applicable
  09/03/2026 10 AM PDT         1603.67            189         0      Not Applicable
  09/03/2026 11 AM PDT         1603.67            189         0      Not Applicable
  09/03/2026 12 PM PDT         1603.68            190         +      Not Applicable
  09/03/2026 01 PM PDT         1603.70            193         +      Not Applicable
  09/03/2026 02 PM PDT         1603.71            194         +      Not Applicable
  09/03/2026 03 PM PDT         1603.74            198         +      Not Applicable
  09/03/2026 04 PM PDT         1603.76            201         +      Not Applicable
  09/03/2026 05 PM PDT         1603.79            206         +      Not Applicable
  09/03/2026 06 PM PDT         1603.82            210         +      Not Applicable
  09/03/2026 07 PM PDT         1603.85            213         +      Not Applicable
  09/03/2026 08 PM PDT         1603.88            217         +      Not Applicable
  09/03/2026 09 PM PDT         1603.91            221         +      Not Applicable
  09/03/2026 10 PM PDT         1603.93            224         +      Not Applicable
  09/03/2026 11 PM PDT         1603.96            228         +      Not Applicable
  09/04/2026 12 AM PDT         1603.99            233         +      Not Applicable
  09/04/2026 01 AM PDT         1604.07            244         +      Not Applicable
  09/04/2026 02 AM PDT         1604.12            257         +      Not Applicable
  09/04/2026 03 AM PDT         1604.14            266         +      Not Applicable
  09/04/2026 04 AM PDT         1604.16            275         +      Not Applicable
  09/04/2026 05 AM PDT         1604.16            275         0      Not Applicable
  09/04/2026 06 AM PDT         1604.16            275         0      Not Applicable
  09/04/2026 07 AM PDT         1604.15            270         -      Not Applicable
  09/04/2026 08 AM PDT         1604.13            261         -      Not Applicable
  09/04/2026 09 AM PDT         1604.12            257         -      Not Applicable
  09/04/2026 10 AM PDT         1604.10            249         -      Not Applicable
  09/04/2026 11 AM PDT         1604.08            246         -      Not Applicable
  09/04/2026 12 PM PDT         1604.07            244         -      Not Applicable
  09/04/2026 01 PM PDT         1604.06            243         -      Not Applicable
  09/04/2026 02 PM PDT         1604.06            243         0      Not Applicable
  09/04/2026 03 PM PDT         1604.04            240         -      Not Applicable
  09/04/2026 04 PM PDT         1604.05            241         +      Not Applicable
  09/04/2026 05 PM PDT         1604.04            240         -      Not Applicable
  09/04/2026 06 PM PDT         1604.03            238         -      Not Applicable
  09/04/2026 07 PM PDT         1604.03            238         0      Not Applicable
  09/04/2026 08 PM PDT         1604.03            238         0      Not Applicable
  09/04/2026 09 PM PDT         1604.02            237         -      Not Applicable
  09/04/2026 10 PM PDT         1604.01            235         -      Not Applicable
  09/04/2026 11 PM PDT         1604.01            235         0      Not Applicable
  09/05/2026 12 AM PDT         1604.00            234         -      Not Applicable
  09/05/2026 01 AM PDT         1604.00            234         0      Not Applicable
  09/05/2026 02 AM PDT         1603.99            233         -      Not Applicable
  09/05/2026 03 AM PDT         1603.99            233         0      Not Applicable
  09/05/2026 04 AM PDT         1603.99            233         0      Not Applicable
  09/05/2026 05 AM PDT         1604.00            234         +      Not Applicable
  09/05/2026 06 AM PDT         1604.01            235         +      Not Applicable
  09/05/2026 07 AM PDT         1604.01            235         0      Not Applicable
  09/05/2026 08 AM PDT         1604.01            235         0      Not Applicable
  09/05/2026 09 AM PDT         1604.01            235         0      Not Applicable
  09/05/2026 10 AM PDT         1604.01            235         0      Not Applicable
  09/05/2026 11 AM PDT         1604.01            235         0      Not Applicable
  09/05/2026 12 PM PDT         1604.01            235         0      Not Applicable
  09/05/2026 01 PM PDT         1604.01            235         0      Not Applicable
  09/05/2026 02 PM PDT         1604.00            234         -      Not Applicable
  09/05/2026 03 PM PDT         1603.99            233         -      Not Applicable
  09/05/2026 04 PM PDT         1603.99            233         0      Not Applicable
  09/05/2026 05 PM PDT         1603.98            231         -      Not Applicable
  09/05/2026 06 PM PDT         1603.97            230         -      Not Applicable
  09/05/2026 07 PM PDT         1603.97            230         0      Not Applicable
  09/05/2026 08 PM PDT         1603.96            228         -      Not Applicable
  09/05/2026 09 PM PDT         1603.95            227         -      Not Applicable
  09/05/2026 10 PM PDT         1603.94            225         -      Not Applicable
  09/05/2026 11 PM PDT         1603.93            224         -      Not Applicable
  09/06/2026 12 AM PDT         1603.92            223         -      Not Applicable
  09/06/2026 01 AM PDT         1603.91            221         -      Not Applicable
  09/06/2026 02 AM PDT         1603.90            220         -      Not Applicable
  09/06/2026 03 AM PDT         1603.89            219         -      Not Applicable
  09/06/2026 04 AM PDT         1603.89            219         0      Not Applicable
  09/06/2026 05 AM PDT         1603.88            217         -      Not Applicable
  09/06/2026 06 AM PDT         1603.87            216         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/06/2026 07 AM PDT         1603.87            216                Not Applicable
  09/06/2026 08 AM PDT         1603.86            215         -      Not Applicable
  09/06/2026 09 AM PDT         1603.86            215         0      Not Applicable
  09/06/2026 10 AM PDT         1603.86            215         0      Not Applicable
  09/06/2026 11 AM PDT         1603.86            215         0      Not Applicable
  09/06/2026 12 PM PDT         1603.85            213         -      Not Applicable
  09/06/2026 01 PM PDT         1603.85            213         0      Not Applicable
  09/06/2026 02 PM PDT         1603.85            213         0      Not Applicable
  09/06/2026 03 PM PDT         1603.85            213         0      Not Applicable
  09/06/2026 04 PM PDT         1603.85            213         0      Not Applicable
  09/06/2026 05 PM PDT         1603.85            213         0      Not Applicable
  09/06/2026 06 PM PDT         1603.84            212         -      Not Applicable
  09/06/2026 07 PM PDT         1603.84            212         0      Not Applicable
  09/06/2026 08 PM PDT         1603.84            212         0      Not Applicable
  09/06/2026 09 PM PDT         1603.84            212         0      Not Applicable
  09/06/2026 10 PM PDT         1603.84            212         0      Not Applicable
  09/06/2026 11 PM PDT         1603.84            212         0      Not Applicable
  09/07/2026 12 AM PDT         1603.84            212         0      Not Applicable
  09/07/2026 01 AM PDT         1603.83            211         -      Not Applicable
  09/07/2026 02 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 03 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 04 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 05 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 06 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 07 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 08 AM PDT         1603.83            211         0      Not Applicable
  09/07/2026 09 AM PDT         1603.82            210         -      Not Applicable
  09/07/2026 10 AM PDT         1603.82            210         0      Not Applicable
  09/07/2026 11 AM PDT         1603.82            210         0      Not Applicable
  09/07/2026 12 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 01 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 02 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 03 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 04 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 05 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 06 PM PDT         1603.82            210         0      Not Applicable
  09/07/2026 07 PM PDT         1603.81            208         -      Not Applicable
  09/07/2026 08 PM PDT         1603.81            208         0      Not Applicable
  09/07/2026 09 PM PDT         1603.81            208         0      Not Applicable
  09/07/2026 10 PM PDT         1603.81            208         0      Not Applicable
  09/07/2026 11 PM PDT         1603.81            208         0      Not Applicable
  09/08/2026 12 AM PDT         1603.81            208         0      Not Applicable
  09/08/2026 01 AM PDT         1603.81            208         0      Not Applicable
  09/08/2026 02 AM PDT         1603.81            208         0      Not Applicable
  09/08/2026 03 AM PDT         1603.81            208         0      Not Applicable
  09/08/2026 04 AM PDT         1603.80            207         -      Not Applicable
  09/08/2026 05 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 06 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 07 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 08 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 09 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 10 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 11 AM PDT         1603.80            207         0      Not Applicable
  09/08/2026 12 PM PDT         1603.80            207         0      Not Applicable
  09/08/2026 01 PM PDT         1603.80            207         0      Not Applicable
  09/08/2026 02 PM PDT         1603.80            207         0      Not Applicable
  09/08/2026 03 PM PDT         1603.80            207         0      Not Applicable
  09/08/2026 04 PM PDT         1603.79            206         -      Not Applicable
  09/08/2026 05 PM PDT         1603.79            206         0      Not Applicable
  09/08/2026 06 PM PDT         1603.79            206         0      Not Applicable
  09/08/2026 07 PM PDT         1603.79            206         0      Not Applicable
  09/08/2026 08 PM PDT         1603.79            206         0      Not Applicable
  09/08/2026 09 PM PDT         1603.79            206         0      Not Applicable
  09/08/2026 10 PM PDT         1603.79            206         0      Not Applicable
  09/08/2026 11 PM PDT         1603.79            206         0      Not Applicable
  09/09/2026 12 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 01 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 02 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 03 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 04 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 05 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 06 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 07 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 08 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 09 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 10 AM PDT         1603.79            206         0      Not Applicable
  09/09/2026 11 AM PDT         1603.78            204         -      Not Applicable
  09/09/2026 12 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 01 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 02 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 03 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 04 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 05 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 06 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 07 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 08 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 09 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 10 PM PDT         1603.78            204         0      Not Applicable
  09/09/2026 11 PM PDT         1603.78            204         0      Not Applicable
  09/10/2026 12 AM PDT         1603.77            203         -      Not Applicable
  09/10/2026 01 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 02 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 03 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 04 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 05 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 06 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 07 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 08 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 09 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 10 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 11 AM PDT         1603.77            203         0      Not Applicable
  09/10/2026 12 PM PDT         1603.76            201         -      Not Applicable
  09/10/2026 01 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 02 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 03 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 04 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 05 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 06 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 07 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 08 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 09 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 10 PM PDT         1603.76            201         0      Not Applicable
  09/10/2026 11 PM PDT         1603.76            201         0      Not Applicable
  09/11/2026 12 AM PDT         1603.76            201         0      Not Applicable
  09/11/2026 01 AM PDT         1603.76            201         0      Not Applicable
  09/11/2026 02 AM PDT         1603.76            201         0      Not Applicable
  09/11/2026 03 AM PDT         1603.76            201         0      Not Applicable
  09/11/2026 04 AM PDT         1603.76            201         0      Not Applicable
  09/11/2026 05 AM PDT         1603.75            200         -      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.