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: Oct 31 2026 at 8:29 AM PDTNext Issuance: Nov 01 2026 at 9:00 AM PST
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:  10/31/2026 at 08:30 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/31/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       1603.74 Feet
# Maximum Observed Flow:                        198 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/31/2026 at 10:00 PM PDT
# Maximum Forecast Stage:                       1603.88 Feet
# Maximum Forecast Flow:                        217 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/26/2026 08 AM PDT         1603.72            196                Not Applicable
  10/26/2026 09 AM PDT         1603.72            196         0      Not Applicable
  10/26/2026 10 AM PDT         1603.72            196         0      Not Applicable
  10/26/2026 11 AM PDT         1603.72            196         0      Not Applicable
  10/26/2026 12 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 01 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 02 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 03 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 04 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 05 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 06 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 07 PM PDT         1603.71            194         -      Not Applicable
  10/26/2026 08 PM PDT         1603.72            196         +      Not Applicable
  10/26/2026 09 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 10 PM PDT         1603.72            196         0      Not Applicable
  10/26/2026 11 PM PDT         1603.71            194         -      Not Applicable
  10/27/2026 12 AM PDT         1603.72            196         +      Not Applicable
  10/27/2026 01 AM PDT         1603.71            194         -      Not Applicable
  10/27/2026 02 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 03 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 04 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 05 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 06 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 07 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 08 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 09 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 10 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 11 AM PDT         1603.71            194         0      Not Applicable
  10/27/2026 12 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 01 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 02 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 03 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 04 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 05 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 06 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 07 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 08 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 09 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 10 PM PDT         1603.71            194         0      Not Applicable
  10/27/2026 11 PM PDT         1603.71            194         0      Not Applicable
  10/28/2026 12 AM PDT         1603.71            194         0      Not Applicable
  10/28/2026 01 AM PDT         1603.71            194         0      Not Applicable
  10/28/2026 02 AM PDT         1603.71            194         0      Not Applicable
  10/28/2026 03 AM PDT         1603.72            196         +      Not Applicable
  10/28/2026 04 AM PDT         1603.71            194         -      Not Applicable
  10/28/2026 05 AM PDT         1603.72            196         +      Not Applicable
  10/28/2026 06 AM PDT         1603.71            194         -      Not Applicable
  10/28/2026 07 AM PDT         1603.72            196         +      Not Applicable
  10/28/2026 08 AM PDT         1603.72            196         0      Not Applicable
  10/28/2026 09 AM PDT         1603.71            194         -      Not Applicable
  10/28/2026 10 AM PDT         1603.72            196         +      Not Applicable
  10/28/2026 11 AM PDT         1603.71            194         -      Not Applicable
  10/28/2026 12 PM PDT         1603.72            196         +      Not Applicable
  10/28/2026 01 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 02 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 03 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 04 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 05 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 06 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 07 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 08 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 09 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 10 PM PDT         1603.72            196         0      Not Applicable
  10/28/2026 11 PM PDT         1603.71            194         -      Not Applicable
  10/29/2026 12 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 01 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 02 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 03 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 04 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 05 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 06 AM PDT         1603.72            196         +      Not Applicable
  10/29/2026 07 AM PDT         1603.71            194         -      Not Applicable
  10/29/2026 08 AM PDT         1603.71            194         0      Not Applicable
  10/29/2026 09 AM PDT         1603.72            196         +      Not Applicable
  10/29/2026 10 AM PDT         1603.72            196         0      Not Applicable
  10/29/2026 11 AM PDT         1603.71            194         -      Not Applicable
  10/29/2026 12 PM PDT         1603.71            194         0      Not Applicable
  10/29/2026 01 PM PDT         1603.71            194         0      Not Applicable
  10/29/2026 02 PM PDT         1603.71            194         0      Not Applicable
  10/29/2026 03 PM PDT         1603.71            194         0      Not Applicable
  10/29/2026 04 PM PDT         1603.72            196         +      Not Applicable
  10/29/2026 05 PM PDT         1603.72            196         0      Not Applicable
  10/29/2026 06 PM PDT         1603.72            196         0      Not Applicable
  10/29/2026 07 PM PDT         1603.72            196         0      Not Applicable
  10/29/2026 08 PM PDT         1603.71            194         -      Not Applicable
  10/29/2026 09 PM PDT         1603.72            196         +      Not Applicable
  10/29/2026 10 PM PDT         1603.72            196         0      Not Applicable
  10/29/2026 11 PM PDT         1603.72            196         0      Not Applicable
  10/30/2026 12 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 01 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 02 AM PDT         1603.71            194         -      Not Applicable
  10/30/2026 03 AM PDT         1603.72            196         +      Not Applicable
  10/30/2026 04 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 05 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 06 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 07 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 08 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 09 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 10 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 11 AM PDT         1603.72            196         0      Not Applicable
  10/30/2026 12 PM PDT         1603.72            196         0      Not Applicable
  10/30/2026 01 PM PDT         1603.73            197         +      Not Applicable
  10/30/2026 02 PM PDT         1603.73            197         0      Not Applicable
  10/30/2026 03 PM PDT         1603.72            196         -      Not Applicable
  10/30/2026 04 PM PDT         1603.73            197         +      Not Applicable
  10/30/2026 05 PM PDT         1603.72            196         -      Not Applicable
  10/30/2026 06 PM PDT         1603.72            196         0      Not Applicable
  10/30/2026 07 PM PDT         1603.72            196         0      Not Applicable
  10/30/2026 08 PM PDT         1603.72            196         0      Not Applicable
  10/30/2026 09 PM PDT         1603.73            197         +      Not Applicable
  10/30/2026 10 PM PDT         1603.73            197         0      Not Applicable
  10/30/2026 11 PM PDT         1603.72            196         -      Not Applicable
  10/31/2026 12 AM PDT         1603.73            197         +      Not Applicable
  10/31/2026 01 AM PDT         1603.72            196         -      Not Applicable
  10/31/2026 02 AM PDT         1603.72            196         0      Not Applicable
  10/31/2026 03 AM PDT         1603.73            197         +      Not Applicable
  10/31/2026 04 AM PDT         1603.72            196         -      Not Applicable
  10/31/2026 05 AM PDT         1603.73            197         +      Not Applicable
  10/31/2026 06 AM PDT         1603.73            197         0      Not Applicable
  10/31/2026 07 AM PDT         1603.74            198         +      Not Applicable
  10/31/2026 08 AM PDT         1603.74            198         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/31/2026 09 AM PDT         1603.75            200                Not Applicable
  10/31/2026 10 AM PDT         1603.75            200         0      Not Applicable
  10/31/2026 11 AM PDT         1603.76            201         +      Not Applicable
  10/31/2026 12 PM PDT         1603.77            203         +      Not Applicable
  10/31/2026 01 PM PDT         1603.78            204         +      Not Applicable
  10/31/2026 02 PM PDT         1603.80            207         +      Not Applicable
  10/31/2026 03 PM PDT         1603.81            208         +      Not Applicable
  10/31/2026 04 PM PDT         1603.82            210         +      Not Applicable
  10/31/2026 05 PM PDT         1603.84            212         +      Not Applicable
  10/31/2026 06 PM PDT         1603.85            213         +      Not Applicable
  10/31/2026 07 PM PDT         1603.85            213         0      Not Applicable
  10/31/2026 08 PM PDT         1603.86            215         +      Not Applicable
  10/31/2026 09 PM PDT         1603.87            216         +      Not Applicable
  10/31/2026 10 PM PDT         1603.88            217         +      Not Applicable
  10/31/2026 11 PM PDT         1603.88            217         0      Not Applicable
  11/01/2026 12 AM PDT         1603.88            217         0      Not Applicable
  11/01/2026 01 AM PDT         1603.87            216         -      Not Applicable
  11/01/2026 01 AM PST         1603.86            215         -      Not Applicable
  11/01/2026 02 AM PST         1603.85            213         -      Not Applicable
  11/01/2026 03 AM PST         1603.84            212         -      Not Applicable
  11/01/2026 04 AM PST         1603.83            211         -      Not Applicable
  11/01/2026 05 AM PST         1603.83            211         0      Not Applicable
  11/01/2026 06 AM PST         1603.82            210         -      Not Applicable
  11/01/2026 07 AM PST         1603.82            210         0      Not Applicable
  11/01/2026 08 AM PST         1603.82            210         0      Not Applicable
  11/01/2026 09 AM PST         1603.81            208         -      Not Applicable
  11/01/2026 10 AM PST         1603.81            208         0      Not Applicable
  11/01/2026 11 AM PST         1603.81            208         0      Not Applicable
  11/01/2026 12 PM PST         1603.81            208         0      Not Applicable
  11/01/2026 01 PM PST         1603.80            207         -      Not Applicable
  11/01/2026 02 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 03 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 04 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 05 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 06 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 07 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 08 PM PST         1603.80            207         0      Not Applicable
  11/01/2026 09 PM PST         1603.79            206         -      Not Applicable
  11/01/2026 10 PM PST         1603.79            206         0      Not Applicable
  11/01/2026 11 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 12 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 01 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 02 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 03 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 04 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 05 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 06 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 07 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 08 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 09 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 10 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 11 AM PST         1603.79            206         0      Not Applicable
  11/02/2026 12 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 01 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 02 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 03 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 04 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 05 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 06 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 07 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 08 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 09 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 10 PM PST         1603.79            206         0      Not Applicable
  11/02/2026 11 PM PST         1603.79            206         0      Not Applicable
  11/03/2026 12 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 01 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 02 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 03 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 04 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 05 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 06 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 07 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 08 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 09 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 10 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 11 AM PST         1603.79            206         0      Not Applicable
  11/03/2026 12 PM PST         1603.79            206         0      Not Applicable
  11/03/2026 01 PM PST         1603.79            206         0      Not Applicable
  11/03/2026 02 PM PST         1603.79            206         0      Not Applicable
  11/03/2026 03 PM PST         1603.80            207         +      Not Applicable
  11/03/2026 04 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 05 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 06 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 07 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 08 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 09 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 10 PM PST         1603.80            207         0      Not Applicable
  11/03/2026 11 PM PST         1603.80            207         0      Not Applicable
  11/04/2026 12 AM PST         1603.81            208         +      Not Applicable
  11/04/2026 01 AM PST         1603.81            208         0      Not Applicable
  11/04/2026 02 AM PST         1603.81            208         0      Not Applicable
  11/04/2026 03 AM PST         1603.82            210         +      Not Applicable
  11/04/2026 04 AM PST         1603.82            210         0      Not Applicable
  11/04/2026 05 AM PST         1603.82            210         0      Not Applicable
  11/04/2026 06 AM PST         1603.82            210         0      Not Applicable
  11/04/2026 07 AM PST         1603.83            211         +      Not Applicable
  11/04/2026 08 AM PST         1603.83            211         0      Not Applicable
  11/04/2026 09 AM PST         1603.83            211         0      Not Applicable
  11/04/2026 10 AM PST         1603.84            212         +      Not Applicable
  11/04/2026 11 AM PST         1603.83            211         -      Not Applicable
  11/04/2026 12 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 01 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 02 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 03 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 04 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 05 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 06 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 07 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 08 PM PST         1603.83            211         0      Not Applicable
  11/04/2026 09 PM PST         1603.82            210         -      Not Applicable
  11/04/2026 10 PM PST         1603.82            210         0      Not Applicable
  11/04/2026 11 PM PST         1603.82            210         0      Not Applicable
  11/05/2026 12 AM PST         1603.82            210         0      Not Applicable
  11/05/2026 01 AM PST         1603.82            210         0      Not Applicable
  11/05/2026 02 AM PST         1603.82            210         0      Not Applicable
  11/05/2026 03 AM PST         1603.82            210         0      Not Applicable
  11/05/2026 04 AM PST         1603.82            210         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.