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 AMERICAN RIVER - ABOVE MIDDLE FORK POWERHOUSE (MFPC1)
Latitude: 39.03º NLongitude: 120.59º WElevation: 2540 FeetForecast Type: Unofficial Location
Location: Placer County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: Apr 05 2026 at 7:24 AM PDTNext Issuance: Apr 06 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 American River - Above Middle Fork Powerhouse (MFPC1)
#
# File Generation Time:  04/05/2026 at 07:27 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/02/2026 at 07:00 AM PDT
# Maximum Observed Flow:                        666 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/09/2026 at 11:00 PM PDT
# Maximum Forecast Flow:                        304 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Flow (cfs)     Trend     Observed Status
# ----------------------------------------------------------------
  03/31/2026 07 AM PDT            90                Not Applicable
  03/31/2026 08 AM PDT            91         +      Not Applicable
  03/31/2026 09 AM PDT            92         +      Not Applicable
  03/31/2026 10 AM PDT            91         -      Not Applicable
  03/31/2026 11 AM PDT            93         +      Not Applicable
  03/31/2026 12 PM PDT            94         +      Not Applicable
  03/31/2026 01 PM PDT            94         0      Not Applicable
  03/31/2026 02 PM PDT            97         +      Not Applicable
  03/31/2026 03 PM PDT            99         +      Not Applicable
  03/31/2026 04 PM PDT           106         +      Not Applicable
  03/31/2026 05 PM PDT           122         +      Not Applicable
  03/31/2026 06 PM PDT           138         +      Not Applicable
  03/31/2026 07 PM PDT           188         +      Not Applicable
  03/31/2026 08 PM PDT           226         +      Not Applicable
  03/31/2026 09 PM PDT           282         +      Not Applicable
  03/31/2026 10 PM PDT           335         +      Not Applicable
  03/31/2026 11 PM PDT           345         +      Not Applicable
  04/01/2026 12 AM PDT           362         +      Not Applicable
  04/01/2026 01 AM PDT           313         -      Not Applicable
  04/01/2026 02 AM PDT           288         -      Not Applicable
  04/01/2026 03 AM PDT           267         -      Not Applicable
  04/01/2026 04 AM PDT           248         -      Not Applicable
  04/01/2026 05 AM PDT           238         -      Not Applicable
  04/01/2026 06 AM PDT           232         -      Not Applicable
  04/01/2026 07 AM PDT           222         -      Not Applicable
  04/01/2026 08 AM PDT           218         -      Not Applicable
  04/01/2026 09 AM PDT           222         +      Not Applicable
  04/01/2026 10 AM PDT           218         -      Not Applicable
  04/01/2026 11 AM PDT           220         +      Not Applicable
  04/01/2026 12 PM PDT           226         +      Not Applicable
  04/01/2026 01 PM PDT           230         +      Not Applicable
  04/01/2026 02 PM PDT           240         +      Not Applicable
  04/01/2026 03 PM PDT           258         +      Not Applicable
  04/01/2026 04 PM PDT           277         +      Not Applicable
  04/01/2026 05 PM PDT           313         +      Not Applicable
  04/01/2026 06 PM PDT           348         +      Not Applicable
  04/01/2026 07 PM PDT           398         +      Not Applicable
  04/01/2026 08 PM PDT           471         +      Not Applicable
  04/01/2026 09 PM PDT           528         +      Not Applicable
  04/01/2026 10 PM PDT           561         +      Not Applicable
  04/01/2026 11 PM PDT           576         +      Not Applicable
  04/02/2026 12 AM PDT           584         +      Not Applicable
  04/02/2026 01 AM PDT           580         -      Not Applicable
  04/02/2026 02 AM PDT           622         +      Not Applicable
  04/02/2026 03 AM PDT           606         -      Not Applicable
  04/02/2026 04 AM PDT           610         +      Not Applicable
  04/02/2026 05 AM PDT           634         +      Not Applicable
  04/02/2026 06 AM PDT           661         +      Not Applicable
  04/02/2026 07 AM PDT           666         +      Not Applicable
  04/02/2026 08 AM PDT           645         -      Not Applicable
  04/02/2026 09 AM PDT           626         -      Not Applicable
  04/02/2026 10 AM PDT           580         -      Not Applicable
  04/02/2026 11 AM PDT           561         -      Not Applicable
  04/02/2026 12 PM PDT           528         -      Not Applicable
  04/02/2026 01 PM PDT           510         -      Not Applicable
  04/02/2026 02 PM PDT           475         -      Not Applicable
  04/02/2026 03 PM PDT           455         -      Not Applicable
  04/02/2026 04 PM PDT           447         -      Not Applicable
  04/02/2026 05 PM PDT           431         -      Not Applicable
  04/02/2026 06 PM PDT           420         -      Not Applicable
  04/02/2026 07 PM PDT           416         -      Not Applicable
  04/02/2026 08 PM PDT           416         0      Not Applicable
  04/02/2026 09 PM PDT           412         -      Not Applicable
  04/02/2026 10 PM PDT           405         -      Not Applicable
  04/02/2026 11 PM PDT           398         -      Not Applicable
  04/03/2026 12 AM PDT           383         -      Not Applicable
  04/03/2026 01 AM PDT           372         -      Not Applicable
  04/03/2026 02 AM PDT           355         -      Not Applicable
  04/03/2026 03 AM PDT           348         -      Not Applicable
  04/03/2026 04 AM PDT           338         -      Not Applicable
  04/03/2026 05 AM PDT           331         -      Not Applicable
  04/03/2026 06 AM PDT           331         0      Not Applicable
  04/03/2026 07 AM PDT           321         -      Not Applicable
  04/03/2026 08 AM PDT           315         -      Not Applicable
  04/03/2026 09 AM PDT           313         -      Not Applicable
  04/03/2026 10 AM PDT           306         -      Not Applicable
  04/03/2026 11 AM PDT           301         -      Not Applicable
  04/03/2026 12 PM PDT           297         -      Not Applicable
  04/03/2026 01 PM PDT           293         -      Not Applicable
  04/03/2026 02 PM PDT           290         -      Not Applicable
  04/03/2026 03 PM PDT           290         0      Not Applicable
  04/03/2026 04 PM PDT           284         -      Not Applicable
  04/03/2026 05 PM PDT           277         -      Not Applicable
  04/03/2026 06 PM PDT           280         +      Not Applicable
  04/03/2026 07 PM PDT           280         0      Not Applicable
  04/03/2026 08 PM PDT           277         -      Not Applicable
  04/03/2026 09 PM PDT           280         +      Not Applicable
  04/03/2026 10 PM PDT           282         +      Not Applicable
  04/03/2026 11 PM PDT           280         -      Not Applicable
  04/04/2026 12 AM PDT           282         +      Not Applicable
  04/04/2026 01 AM PDT           269         -      Not Applicable
  04/04/2026 02 AM PDT           271         +      Not Applicable
  04/04/2026 03 AM PDT           265         -      Not Applicable
  04/04/2026 04 AM PDT           262         -      Not Applicable
  04/04/2026 05 AM PDT           262         0      Not Applicable
  04/04/2026 06 AM PDT           258         -      Not Applicable
  04/04/2026 07 AM PDT           254         -      Not Applicable
  04/04/2026 08 AM PDT           254         0      Not Applicable
  04/04/2026 09 AM PDT           252         -      Not Applicable
  04/04/2026 10 AM PDT           248         -      Not Applicable
  04/04/2026 11 AM PDT           246         -      Not Applicable
  04/04/2026 12 PM PDT           246         0      Not Applicable
  04/04/2026 01 PM PDT           248         +      Not Applicable
  04/04/2026 02 PM PDT           244         -      Not Applicable
  04/04/2026 03 PM PDT           236         -      Not Applicable
  04/04/2026 04 PM PDT           236         0      Not Applicable
  04/04/2026 05 PM PDT           234         -      Not Applicable
  04/04/2026 06 PM PDT           234         0      Not Applicable
  04/04/2026 07 PM PDT           232         -      Not Applicable
  04/04/2026 08 PM PDT           236         +      Not Applicable
  04/04/2026 09 PM PDT           236         0      Not Applicable
  04/04/2026 10 PM PDT           240         +      Not Applicable
  04/04/2026 11 PM PDT           238         -      Not Applicable
  04/05/2026 12 AM PDT           238         0      Not Applicable
  04/05/2026 01 AM PDT           238         0      Not Applicable
  04/05/2026 02 AM PDT           236         -      Not Applicable
  04/05/2026 03 AM PDT           232         -      Not Applicable
  04/05/2026 04 AM PDT           228         -      Not Applicable
  04/05/2026 05 AM PDT           232         +      Not Applicable
  04/05/2026 06 AM PDT           231         -      Not Applicable
  04/05/2026 07 AM PDT           230         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Flow (cfs)     Trend     Forecast Status
# ----------------------------------------------------------------
  04/05/2026 08 AM PDT           230                Not Applicable
  04/05/2026 09 AM PDT           229         -      Not Applicable
  04/05/2026 10 AM PDT           228         -      Not Applicable
  04/05/2026 11 AM PDT           227         -      Not Applicable
  04/05/2026 12 PM PDT           227         0      Not Applicable
  04/05/2026 01 PM PDT           227         0      Not Applicable
  04/05/2026 02 PM PDT           226         -      Not Applicable
  04/05/2026 03 PM PDT           226         0      Not Applicable
  04/05/2026 04 PM PDT           226         0      Not Applicable
  04/05/2026 05 PM PDT           226         0      Not Applicable
  04/05/2026 06 PM PDT           226         0      Not Applicable
  04/05/2026 07 PM PDT           226         0      Not Applicable
  04/05/2026 08 PM PDT           226         0      Not Applicable
  04/05/2026 09 PM PDT           227         +      Not Applicable
  04/05/2026 10 PM PDT           227         0      Not Applicable
  04/05/2026 11 PM PDT           227         0      Not Applicable
  04/06/2026 12 AM PDT           227         0      Not Applicable
  04/06/2026 01 AM PDT           226         -      Not Applicable
  04/06/2026 02 AM PDT           226         0      Not Applicable
  04/06/2026 03 AM PDT           225         -      Not Applicable
  04/06/2026 04 AM PDT           224         -      Not Applicable
  04/06/2026 05 AM PDT           224         0      Not Applicable
  04/06/2026 06 AM PDT           224         0      Not Applicable
  04/06/2026 07 AM PDT           224         0      Not Applicable
  04/06/2026 08 AM PDT           224         0      Not Applicable
  04/06/2026 09 AM PDT           224         0      Not Applicable
  04/06/2026 10 AM PDT           224         0      Not Applicable
  04/06/2026 11 AM PDT           224         0      Not Applicable
  04/06/2026 12 PM PDT           226         +      Not Applicable
  04/06/2026 01 PM PDT           229         +      Not Applicable
  04/06/2026 02 PM PDT           231         +      Not Applicable
  04/06/2026 03 PM PDT           233         +      Not Applicable
  04/06/2026 04 PM PDT           236         +      Not Applicable
  04/06/2026 05 PM PDT           238         +      Not Applicable
  04/06/2026 06 PM PDT           239         +      Not Applicable
  04/06/2026 07 PM PDT           239         0      Not Applicable
  04/06/2026 08 PM PDT           240         +      Not Applicable
  04/06/2026 09 PM PDT           240         0      Not Applicable
  04/06/2026 10 PM PDT           241         +      Not Applicable
  04/06/2026 11 PM PDT           241         0      Not Applicable
  04/07/2026 12 AM PDT           240         -      Not Applicable
  04/07/2026 01 AM PDT           239         -      Not Applicable
  04/07/2026 02 AM PDT           237         -      Not Applicable
  04/07/2026 03 AM PDT           236         -      Not Applicable
  04/07/2026 04 AM PDT           234         -      Not Applicable
  04/07/2026 05 AM PDT           233         -      Not Applicable
  04/07/2026 06 AM PDT           232         -      Not Applicable
  04/07/2026 07 AM PDT           230         -      Not Applicable
  04/07/2026 08 AM PDT           229         -      Not Applicable
  04/07/2026 09 AM PDT           227         -      Not Applicable
  04/07/2026 10 AM PDT           226         -      Not Applicable
  04/07/2026 11 AM PDT           225         -      Not Applicable
  04/07/2026 12 PM PDT           224         -      Not Applicable
  04/07/2026 01 PM PDT           223         -      Not Applicable
  04/07/2026 02 PM PDT           223         0      Not Applicable
  04/07/2026 03 PM PDT           222         -      Not Applicable
  04/07/2026 04 PM PDT           222         0      Not Applicable
  04/07/2026 05 PM PDT           221         -      Not Applicable
  04/07/2026 06 PM PDT           221         0      Not Applicable
  04/07/2026 07 PM PDT           221         0      Not Applicable
  04/07/2026 08 PM PDT           220         -      Not Applicable
  04/07/2026 09 PM PDT           220         0      Not Applicable
  04/07/2026 10 PM PDT           220         0      Not Applicable
  04/07/2026 11 PM PDT           220         0      Not Applicable
  04/08/2026 12 AM PDT           219         -      Not Applicable
  04/08/2026 01 AM PDT           219         0      Not Applicable
  04/08/2026 02 AM PDT           218         -      Not Applicable
  04/08/2026 03 AM PDT           218         0      Not Applicable
  04/08/2026 04 AM PDT           217         -      Not Applicable
  04/08/2026 05 AM PDT           217         0      Not Applicable
  04/08/2026 06 AM PDT           216         -      Not Applicable
  04/08/2026 07 AM PDT           216         0      Not Applicable
  04/08/2026 08 AM PDT           215         -      Not Applicable
  04/08/2026 09 AM PDT           214         -      Not Applicable
  04/08/2026 10 AM PDT           214         0      Not Applicable
  04/08/2026 11 AM PDT           213         -      Not Applicable
  04/08/2026 12 PM PDT           215         +      Not Applicable
  04/08/2026 01 PM PDT           216         +      Not Applicable
  04/08/2026 02 PM PDT           218         +      Not Applicable
  04/08/2026 03 PM PDT           220         +      Not Applicable
  04/08/2026 04 PM PDT           221         +      Not Applicable
  04/08/2026 05 PM PDT           223         +      Not Applicable
  04/08/2026 06 PM PDT           224         +      Not Applicable
  04/08/2026 07 PM PDT           225         +      Not Applicable
  04/08/2026 08 PM PDT           226         +      Not Applicable
  04/08/2026 09 PM PDT           227         +      Not Applicable
  04/08/2026 10 PM PDT           228         +      Not Applicable
  04/08/2026 11 PM PDT           229         +      Not Applicable
  04/09/2026 12 AM PDT           227         -      Not Applicable
  04/09/2026 01 AM PDT           226         -      Not Applicable
  04/09/2026 02 AM PDT           225         -      Not Applicable
  04/09/2026 03 AM PDT           223         -      Not Applicable
  04/09/2026 04 AM PDT           222         -      Not Applicable
  04/09/2026 05 AM PDT           221         -      Not Applicable
  04/09/2026 06 AM PDT           220         -      Not Applicable
  04/09/2026 07 AM PDT           220         0      Not Applicable
  04/09/2026 08 AM PDT           219         -      Not Applicable
  04/09/2026 09 AM PDT           219         0      Not Applicable
  04/09/2026 10 AM PDT           218         -      Not Applicable
  04/09/2026 11 AM PDT           218         0      Not Applicable
  04/09/2026 12 PM PDT           227         +      Not Applicable
  04/09/2026 01 PM PDT           236         +      Not Applicable
  04/09/2026 02 PM PDT           245         +      Not Applicable
  04/09/2026 03 PM PDT           255         +      Not Applicable
  04/09/2026 04 PM PDT           264         +      Not Applicable
  04/09/2026 05 PM PDT           273         +      Not Applicable
  04/09/2026 06 PM PDT           278         +      Not Applicable
  04/09/2026 07 PM PDT           283         +      Not Applicable
  04/09/2026 08 PM PDT           288         +      Not Applicable
  04/09/2026 09 PM PDT           293         +      Not Applicable
  04/09/2026 10 PM PDT           299         +      Not Applicable
  04/09/2026 11 PM PDT           304         +      Not Applicable
  04/10/2026 12 AM PDT           301         -      Not Applicable
  04/10/2026 01 AM PDT           299         -      Not Applicable
  04/10/2026 02 AM PDT           296         -      Not Applicable
  04/10/2026 03 AM PDT           294         -      Not Applicable
  04/10/2026 04 AM PDT           291         -      Not Applicable
  04/10/2026 05 AM PDT           289         -      Not Applicable
#
# NOTE 1: Flows are rounded to the nearest (1) cfs.
# NOTE 2: Trends are determined using hourly change in unrounded flow.
# NOTE 3: Maximum Values are determined using unrounded flow.