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: Jun 01 2026 at 6:53 AM PDTNext Issuance: Jun 02 2026 at 9:00 AM PDT
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:  06/01/2026 at 06:55 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/27/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       1604.78 Feet
# Maximum Observed Flow:                        590 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/01/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       1604.61 Feet
# Maximum Forecast Flow:                        496 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/27/2026 06 AM PDT         1604.78            590                Not Applicable
  05/27/2026 07 AM PDT         1604.78            590         0      Not Applicable
  05/27/2026 08 AM PDT         1604.77            584         -      Not Applicable
  05/27/2026 09 AM PDT         1604.77            584         0      Not Applicable
  05/27/2026 10 AM PDT         1604.76            579         -      Not Applicable
  05/27/2026 11 AM PDT         1604.76            579         0      Not Applicable
  05/27/2026 12 PM PDT         1604.76            579         0      Not Applicable
  05/27/2026 01 PM PDT         1604.75            573         -      Not Applicable
  05/27/2026 02 PM PDT         1604.74            567         -      Not Applicable
  05/27/2026 03 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 04 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 05 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 06 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 07 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 08 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 09 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 10 PM PDT         1604.74            567         0      Not Applicable
  05/27/2026 11 PM PDT         1604.74            567         0      Not Applicable
  05/28/2026 12 AM PDT         1604.74            567         0      Not Applicable
  05/28/2026 01 AM PDT         1604.73            562         -      Not Applicable
  05/28/2026 02 AM PDT         1604.73            562         0      Not Applicable
  05/28/2026 03 AM PDT         1604.73            562         0      Not Applicable
  05/28/2026 04 AM PDT         1604.72            556         -      Not Applicable
  05/28/2026 05 AM PDT         1604.72            556         0      Not Applicable
  05/28/2026 06 AM PDT         1604.72            556         0      Not Applicable
  05/28/2026 07 AM PDT         1604.71            550         -      Not Applicable
  05/28/2026 08 AM PDT         1604.71            550         0      Not Applicable
  05/28/2026 09 AM PDT         1604.71            550         0      Not Applicable
  05/28/2026 10 AM PDT         1604.71            550         0      Not Applicable
  05/28/2026 11 AM PDT         1604.70            545         -      Not Applicable
  05/28/2026 12 PM PDT         1604.70            545         0      Not Applicable
  05/28/2026 01 PM PDT         1604.70            545         0      Not Applicable
  05/28/2026 02 PM PDT         1604.70            545         0      Not Applicable
  05/28/2026 03 PM PDT         1604.70            545         0      Not Applicable
  05/28/2026 04 PM PDT         1604.70            545         0      Not Applicable
  05/28/2026 05 PM PDT         1604.70            545         0      Not Applicable
  05/28/2026 06 PM PDT         1604.71            550         +      Not Applicable
  05/28/2026 07 PM PDT         1604.71            550         0      Not Applicable
  05/28/2026 08 PM PDT         1604.71            550         0      Not Applicable
  05/28/2026 09 PM PDT         1604.72            556         +      Not Applicable
  05/28/2026 10 PM PDT         1604.72            556         0      Not Applicable
  05/28/2026 11 PM PDT         1604.72            556         0      Not Applicable
  05/29/2026 12 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 01 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 02 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 03 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 04 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 05 AM PDT         1604.73            562         +      Not Applicable
  05/29/2026 06 AM PDT         1604.72            556         -      Not Applicable
  05/29/2026 07 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 08 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 09 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 10 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 11 AM PDT         1604.72            556         0      Not Applicable
  05/29/2026 12 PM PDT         1604.72            556         0      Not Applicable
  05/29/2026 01 PM PDT         1604.71            550         -      Not Applicable
  05/29/2026 02 PM PDT         1604.71            550         0      Not Applicable
  05/29/2026 03 PM PDT         1604.70            545         -      Not Applicable
  05/29/2026 04 PM PDT         1604.70            545         0      Not Applicable
  05/29/2026 05 PM PDT         1604.70            545         0      Not Applicable
  05/29/2026 06 PM PDT         1604.69            539         -      Not Applicable
  05/29/2026 07 PM PDT         1604.69            539         0      Not Applicable
  05/29/2026 08 PM PDT         1604.69            539         0      Not Applicable
  05/29/2026 09 PM PDT         1604.69            539         0      Not Applicable
  05/29/2026 10 PM PDT         1604.68            534         -      Not Applicable
  05/29/2026 11 PM PDT         1604.68            534         0      Not Applicable
  05/30/2026 12 AM PDT         1604.68            534         0      Not Applicable
  05/30/2026 01 AM PDT         1604.68            534         0      Not Applicable
  05/30/2026 02 AM PDT         1604.68            534         0      Not Applicable
  05/30/2026 03 AM PDT         1604.67            528         -      Not Applicable
  05/30/2026 04 AM PDT         1604.67            528         0      Not Applicable
  05/30/2026 05 AM PDT         1604.67            528         0      Not Applicable
  05/30/2026 06 AM PDT         1604.67            528         0      Not Applicable
  05/30/2026 07 AM PDT         1604.67            528         0      Not Applicable
  05/30/2026 08 AM PDT         1604.67            528         0      Not Applicable
  05/30/2026 09 AM PDT         1604.66            523         -      Not Applicable
  05/30/2026 10 AM PDT         1604.66            523         0      Not Applicable
  05/30/2026 11 AM PDT         1604.66            523         0      Not Applicable
  05/30/2026 12 PM PDT         1604.66            523         0      Not Applicable
  05/30/2026 01 PM PDT         1604.66            523         0      Not Applicable
  05/30/2026 02 PM PDT         1604.66            523         0      Not Applicable
  05/30/2026 03 PM PDT         1604.66            523         0      Not Applicable
  05/30/2026 04 PM PDT         1604.65            517         -      Not Applicable
  05/30/2026 05 PM PDT         1604.65            517         0      Not Applicable
  05/30/2026 06 PM PDT         1604.65            517         0      Not Applicable
  05/30/2026 07 PM PDT         1604.65            517         0      Not Applicable
  05/30/2026 08 PM PDT         1604.65            517         0      Not Applicable
  05/30/2026 09 PM PDT         1604.65            517         0      Not Applicable
  05/30/2026 10 PM PDT         1604.65            517         0      Not Applicable
  05/30/2026 11 PM PDT         1604.64            512         -      Not Applicable
  05/31/2026 12 AM PDT         1604.64            512         0      Not Applicable
  05/31/2026 01 AM PDT         1604.64            512         0      Not Applicable
  05/31/2026 02 AM PDT         1604.64            512         0      Not Applicable
  05/31/2026 03 AM PDT         1604.64            512         0      Not Applicable
  05/31/2026 04 AM PDT         1604.64            512         0      Not Applicable
  05/31/2026 05 AM PDT         1604.64            512         0      Not Applicable
  05/31/2026 06 AM PDT         1604.63            507         -      Not Applicable
  05/31/2026 07 AM PDT         1604.63            507         0      Not Applicable
  05/31/2026 08 AM PDT         1604.63            507         0      Not Applicable
  05/31/2026 09 AM PDT         1604.63            507         0      Not Applicable
  05/31/2026 10 AM PDT         1604.63            507         0      Not Applicable
  05/31/2026 11 AM PDT         1604.63            507         0      Not Applicable
  05/31/2026 12 PM PDT         1604.63            507         0      Not Applicable
  05/31/2026 01 PM PDT         1604.63            507         0      Not Applicable
  05/31/2026 02 PM PDT         1604.62            501         -      Not Applicable
  05/31/2026 03 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 04 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 05 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 06 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 07 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 08 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 09 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 10 PM PDT         1604.62            501         0      Not Applicable
  05/31/2026 11 PM PDT         1604.62            501         0      Not Applicable
  06/01/2026 12 AM PDT         1604.61            496         -      Not Applicable
  06/01/2026 01 AM PDT         1604.61            496         0      Not Applicable
  06/01/2026 02 AM PDT         1604.61            496         0      Not Applicable
  06/01/2026 03 AM PDT         1604.61            496         0      Not Applicable
  06/01/2026 04 AM PDT         1604.61            496         0      Not Applicable
  06/01/2026 05 AM PDT         1604.61            496         0      Not Applicable
  06/01/2026 06 AM PDT         1604.61            496         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/01/2026 07 AM PDT         1604.61            496                Not Applicable
  06/01/2026 08 AM PDT         1604.61            496         0      Not Applicable
  06/01/2026 09 AM PDT         1604.60            491         -      Not Applicable
  06/01/2026 10 AM PDT         1604.60            491         0      Not Applicable
  06/01/2026 11 AM PDT         1604.60            491         0      Not Applicable
  06/01/2026 12 PM PDT         1604.60            491         0      Not Applicable
  06/01/2026 01 PM PDT         1604.60            491         0      Not Applicable
  06/01/2026 02 PM PDT         1604.60            491         0      Not Applicable
  06/01/2026 03 PM PDT         1604.60            491         0      Not Applicable
  06/01/2026 04 PM PDT         1604.60            491         0      Not Applicable
  06/01/2026 05 PM PDT         1604.60            491         0      Not Applicable
  06/01/2026 06 PM PDT         1604.59            486         -      Not Applicable
  06/01/2026 07 PM PDT         1604.59            486         0      Not Applicable
  06/01/2026 08 PM PDT         1604.59            486         0      Not Applicable
  06/01/2026 09 PM PDT         1604.59            486         0      Not Applicable
  06/01/2026 10 PM PDT         1604.59            486         0      Not Applicable
  06/01/2026 11 PM PDT         1604.59            486         0      Not Applicable
  06/02/2026 12 AM PDT         1604.59            486         0      Not Applicable
  06/02/2026 01 AM PDT         1604.59            486         0      Not Applicable
  06/02/2026 02 AM PDT         1604.59            486         0      Not Applicable
  06/02/2026 03 AM PDT         1604.59            486         0      Not Applicable
  06/02/2026 04 AM PDT         1604.58            480         -      Not Applicable
  06/02/2026 05 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 06 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 07 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 08 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 09 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 10 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 11 AM PDT         1604.58            480         0      Not Applicable
  06/02/2026 12 PM PDT         1604.58            480         0      Not Applicable
  06/02/2026 01 PM PDT         1604.57            475         -      Not Applicable
  06/02/2026 02 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 03 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 04 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 05 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 06 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 07 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 08 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 09 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 10 PM PDT         1604.57            475         0      Not Applicable
  06/02/2026 11 PM PDT         1604.56            470         -      Not Applicable
  06/03/2026 12 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 01 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 02 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 03 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 04 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 05 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 06 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 07 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 08 AM PDT         1604.56            470         0      Not Applicable
  06/03/2026 09 AM PDT         1604.55            465         -      Not Applicable
  06/03/2026 10 AM PDT         1604.55            465         0      Not Applicable
  06/03/2026 11 AM PDT         1604.55            465         0      Not Applicable
  06/03/2026 12 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 01 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 02 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 03 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 04 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 05 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 06 PM PDT         1604.55            465         0      Not Applicable
  06/03/2026 07 PM PDT         1604.54            460         -      Not Applicable
  06/03/2026 08 PM PDT         1604.54            460         0      Not Applicable
  06/03/2026 09 PM PDT         1604.54            460         0      Not Applicable
  06/03/2026 10 PM PDT         1604.54            460         0      Not Applicable
  06/03/2026 11 PM PDT         1604.54            460         0      Not Applicable
  06/04/2026 12 AM PDT         1604.54            460         0      Not Applicable
  06/04/2026 01 AM PDT         1604.54            460         0      Not Applicable
  06/04/2026 02 AM PDT         1604.54            460         0      Not Applicable
  06/04/2026 03 AM PDT         1604.54            460         0      Not Applicable
  06/04/2026 04 AM PDT         1604.54            460         0      Not Applicable
  06/04/2026 05 AM PDT         1604.53            455         -      Not Applicable
  06/04/2026 06 AM PDT         1604.53            455         0      Not Applicable
  06/04/2026 07 AM PDT         1604.53            455         0      Not Applicable
  06/04/2026 08 AM PDT         1604.53            455         0      Not Applicable
  06/04/2026 09 AM PDT         1604.53            455         0      Not Applicable
  06/04/2026 10 AM PDT         1604.53            455         0      Not Applicable
  06/04/2026 11 AM PDT         1604.53            455         0      Not Applicable
  06/04/2026 12 PM PDT         1604.53            455         0      Not Applicable
  06/04/2026 01 PM PDT         1604.53            455         0      Not Applicable
  06/04/2026 02 PM PDT         1604.53            455         0      Not Applicable
  06/04/2026 03 PM PDT         1604.53            455         0      Not Applicable
  06/04/2026 04 PM PDT         1604.52            450         -      Not Applicable
  06/04/2026 05 PM PDT         1604.52            450         0      Not Applicable
  06/04/2026 06 PM PDT         1604.52            450         0      Not Applicable
  06/04/2026 07 PM PDT         1604.52            450         0      Not Applicable
  06/04/2026 08 PM PDT         1604.52            450         0      Not Applicable
  06/04/2026 09 PM PDT         1604.52            450         0      Not Applicable
  06/04/2026 10 PM PDT         1604.52            450         0      Not Applicable
  06/04/2026 11 PM PDT         1604.52            450         0      Not Applicable
  06/05/2026 12 AM PDT         1604.52            450         0      Not Applicable
  06/05/2026 01 AM PDT         1604.52            450         0      Not Applicable
  06/05/2026 02 AM PDT         1604.51            445         -      Not Applicable
  06/05/2026 03 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 04 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 05 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 06 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 07 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 08 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 09 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 10 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 11 AM PDT         1604.51            445         0      Not Applicable
  06/05/2026 12 PM PDT         1604.50            440         -      Not Applicable
  06/05/2026 01 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 02 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 03 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 04 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 05 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 06 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 07 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 08 PM PDT         1604.50            440         0      Not Applicable
  06/05/2026 09 PM PDT         1604.49            435         -      Not Applicable
  06/05/2026 10 PM PDT         1604.49            435         0      Not Applicable
  06/05/2026 11 PM PDT         1604.49            435         0      Not Applicable
  06/06/2026 12 AM PDT         1604.49            435         0      Not Applicable
  06/06/2026 01 AM PDT         1604.49            435         0      Not Applicable
  06/06/2026 02 AM PDT         1604.49            435         0      Not Applicable
  06/06/2026 03 AM PDT         1604.49            435         0      Not Applicable
  06/06/2026 04 AM PDT         1604.49            435         0      Not Applicable
  06/06/2026 05 AM PDT         1604.49            435         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.