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 - FORESTHILL (MFAC1)
Latitude: 39.01º NLongitude: 120.76º WElevation: 1070 FeetForecast Type: Unofficial Location
Location: Placer County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: Mar 22 2026 at 7:27 AM PDTNext Issuance: Mar 23 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 - Foresthill (MFAC1)
#
# File Generation Time:  03/22/2026 at 07:29 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/20/2026 at 08:00 PM PDT
# Maximum Observed Stage:                       10.09 Feet
# Maximum Observed Flow:                        1166 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/22/2026 at 03:00 PM PDT
# Maximum Forecast Stage:                       9.78 Feet
# Maximum Forecast Flow:                        972 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/17/2026 07 AM PDT            9.92           1062                Not Applicable
  03/17/2026 08 AM PDT            9.83           1004         -      Not Applicable
  03/17/2026 09 AM PDT            9.93           1068         +      Not Applicable
  03/17/2026 10 AM PDT            9.95           1082         +      Not Applicable
  03/17/2026 11 AM PDT            9.94           1075         -      Not Applicable
  03/17/2026 12 PM PDT            9.95           1082         +      Not Applicable
  03/17/2026 01 PM PDT            9.97           1095         +      Not Applicable
  03/17/2026 02 PM PDT            9.98           1102         +      Not Applicable
  03/17/2026 03 PM PDT            9.94           1075         -      Not Applicable
  03/17/2026 04 PM PDT            9.94           1075         0      Not Applicable
  03/17/2026 05 PM PDT            9.94           1075         0      Not Applicable
  03/17/2026 06 PM PDT           10.03           1132         +      Not Applicable
  03/17/2026 07 PM PDT            9.96           1088         -      Not Applicable
  03/17/2026 08 PM PDT            9.95           1082         -      Not Applicable
  03/17/2026 09 PM PDT            9.93           1068         -      Not Applicable
  03/17/2026 10 PM PDT            9.96           1088         +      Not Applicable
  03/17/2026 11 PM PDT            9.91           1055         -      Not Applicable
  03/18/2026 12 AM PDT            9.93           1068         +      Not Applicable
  03/18/2026 01 AM PDT            9.93           1068         0      Not Applicable
  03/18/2026 02 AM PDT            9.92           1062         -      Not Applicable
  03/18/2026 03 AM PDT            9.93           1068         +      Not Applicable
  03/18/2026 04 AM PDT            9.95           1082         +      Not Applicable
  03/18/2026 05 AM PDT            9.94           1075         -      Not Applicable
  03/18/2026 06 AM PDT            9.87           1029         -      Not Applicable
  03/18/2026 07 AM PDT            9.90           1049         +      Not Applicable
  03/18/2026 08 AM PDT            9.84           1010         -      Not Applicable
  03/18/2026 09 AM PDT            9.86           1023         +      Not Applicable
  03/18/2026 10 AM PDT            9.75            953         -      Not Applicable
  03/18/2026 11 AM PDT            9.79            979         +      Not Applicable
  03/18/2026 12 PM PDT            9.74            947         -      Not Applicable
  03/18/2026 01 PM PDT            9.78            972         +      Not Applicable
  03/18/2026 02 PM PDT            9.79            979         +      Not Applicable
  03/18/2026 03 PM PDT            9.77            966         -      Not Applicable
  03/18/2026 04 PM PDT            9.79            979         +      Not Applicable
  03/18/2026 05 PM PDT            9.79            979         0      Not Applicable
  03/18/2026 06 PM PDT            9.78            972         -      Not Applicable
  03/18/2026 07 PM PDT            9.76            959         -      Not Applicable
  03/18/2026 08 PM PDT            9.70            922         -      Not Applicable
  03/18/2026 09 PM PDT            9.72            934         +      Not Applicable
  03/18/2026 10 PM PDT            9.75            953         +      Not Applicable
  03/18/2026 11 PM PDT            9.75            953         0      Not Applicable
  03/19/2026 12 AM PDT            9.75            953         0      Not Applicable
  03/19/2026 01 AM PDT            9.73            941         -      Not Applicable
  03/19/2026 02 AM PDT            9.75            953         +      Not Applicable
  03/19/2026 03 AM PDT            9.78            972         +      Not Applicable
  03/19/2026 04 AM PDT            9.75            953         -      Not Applicable
  03/19/2026 05 AM PDT            9.76            959         +      Not Applicable
  03/19/2026 06 AM PDT            9.71            928         -      Not Applicable
  03/19/2026 07 AM PDT            9.76            959         +      Not Applicable
  03/19/2026 08 AM PDT            9.76            959         0      Not Applicable
  03/19/2026 09 AM PDT            9.71            928         -      Not Applicable
  03/19/2026 10 AM PDT            9.78            972         +      Not Applicable
  03/19/2026 11 AM PDT            9.75            953         -      Not Applicable
  03/19/2026 12 PM PDT            9.72            934         -      Not Applicable
  03/19/2026 01 PM PDT            9.76            959         +      Not Applicable
  03/19/2026 02 PM PDT            9.76            959         0      Not Applicable
  03/19/2026 03 PM PDT            9.75            953         -      Not Applicable
  03/19/2026 04 PM PDT            9.75            953         0      Not Applicable
  03/19/2026 05 PM PDT            9.77            966         +      Not Applicable
  03/19/2026 06 PM PDT            9.74            947         -      Not Applicable
  03/19/2026 07 PM PDT           10.00           1115         +      Not Applicable
  03/19/2026 08 PM PDT            9.96           1088         -      Not Applicable
  03/19/2026 09 PM PDT            9.93           1068         -      Not Applicable
  03/19/2026 10 PM PDT            9.90           1049         -      Not Applicable
  03/19/2026 11 PM PDT            9.90           1049         0      Not Applicable
  03/20/2026 12 AM PDT            9.93           1068         +      Not Applicable
  03/20/2026 01 AM PDT            9.74            947         -      Not Applicable
  03/20/2026 02 AM PDT            9.68            909         -      Not Applicable
  03/20/2026 03 AM PDT            9.66            897         -      Not Applicable
  03/20/2026 04 AM PDT            9.72            934         +      Not Applicable
  03/20/2026 05 AM PDT            9.75            953         +      Not Applicable
  03/20/2026 06 AM PDT            9.69            916         -      Not Applicable
  03/20/2026 07 AM PDT            9.70            922         +      Not Applicable
  03/20/2026 08 AM PDT            9.71            928         +      Not Applicable
  03/20/2026 09 AM PDT            9.68            909         -      Not Applicable
  03/20/2026 10 AM PDT            9.73            941         +      Not Applicable
  03/20/2026 11 AM PDT            9.74            947         +      Not Applicable
  03/20/2026 12 PM PDT            9.73            941         -      Not Applicable
  03/20/2026 01 PM PDT            9.73            941         0      Not Applicable
  03/20/2026 02 PM PDT            9.71            928         -      Not Applicable
  03/20/2026 03 PM PDT            9.71            928         0      Not Applicable
  03/20/2026 04 PM PDT            9.78            972         +      Not Applicable
  03/20/2026 05 PM PDT            9.75            953         -      Not Applicable
  03/20/2026 06 PM PDT            9.76            959         +      Not Applicable
  03/20/2026 07 PM PDT           10.09           1166         +      Not Applicable
  03/20/2026 08 PM PDT           10.09           1166         0      Not Applicable
  03/20/2026 09 PM PDT           10.05           1143         -      Not Applicable
  03/20/2026 10 PM PDT           10.00           1115         -      Not Applicable
  03/20/2026 11 PM PDT            9.73            941         -      Not Applicable
  03/21/2026 12 AM PDT            9.72            934         -      Not Applicable
  03/21/2026 01 AM PDT            9.70            922         -      Not Applicable
  03/21/2026 02 AM PDT            9.69            916         -      Not Applicable
  03/21/2026 03 AM PDT            9.70            922         +      Not Applicable
  03/21/2026 04 AM PDT            9.65            891         -      Not Applicable
  03/21/2026 05 AM PDT            9.63            878         -      Not Applicable
  03/21/2026 06 AM PDT            9.71            928         +      Not Applicable
  03/21/2026 07 AM PDT            9.72            934         +      Not Applicable
  03/21/2026 08 AM PDT            9.66            897         -      Not Applicable
  03/21/2026 09 AM PDT            9.68            909         +      Not Applicable
  03/21/2026 10 AM PDT            9.67            903         -      Not Applicable
  03/21/2026 11 AM PDT            9.73            941         +      Not Applicable
  03/21/2026 12 PM PDT            9.71            928         -      Not Applicable
  03/21/2026 01 PM PDT            9.71            928         0      Not Applicable
  03/21/2026 02 PM PDT            9.73            941         +      Not Applicable
  03/21/2026 03 PM PDT            9.72            934         -      Not Applicable
  03/21/2026 04 PM PDT            9.70            922         -      Not Applicable
  03/21/2026 05 PM PDT            9.71            928         +      Not Applicable
  03/21/2026 06 PM PDT            9.76            959         +      Not Applicable
  03/21/2026 07 PM PDT            9.70            922         -      Not Applicable
  03/21/2026 08 PM PDT            9.68            909         -      Not Applicable
  03/21/2026 09 PM PDT            9.71            928         +      Not Applicable
  03/21/2026 10 PM PDT            9.69            916         -      Not Applicable
  03/21/2026 11 PM PDT            9.67            903         -      Not Applicable
  03/22/2026 12 AM PDT            9.67            903         0      Not Applicable
  03/22/2026 01 AM PDT            9.68            909         +      Not Applicable
  03/22/2026 02 AM PDT            9.66            897         -      Not Applicable
  03/22/2026 03 AM PDT            9.70            922         +      Not Applicable
  03/22/2026 04 AM PDT            9.70            922         0      Not Applicable
  03/22/2026 05 AM PDT            9.68            909         -      Not Applicable
  03/22/2026 06 AM PDT            9.72            934         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/22/2026 07 AM PDT            9.73            941                Not Applicable
  03/22/2026 08 AM PDT            9.73            941         0      Not Applicable
  03/22/2026 09 AM PDT            9.74            947         +      Not Applicable
  03/22/2026 10 AM PDT            9.74            947         0      Not Applicable
  03/22/2026 11 AM PDT            9.74            947         0      Not Applicable
  03/22/2026 12 PM PDT            9.74            947         0      Not Applicable
  03/22/2026 01 PM PDT            9.75            953         +      Not Applicable
  03/22/2026 02 PM PDT            9.75            953         0      Not Applicable
  03/22/2026 03 PM PDT            9.78            972         +      Not Applicable
  03/22/2026 04 PM PDT            9.78            972         0      Not Applicable
  03/22/2026 05 PM PDT            9.78            972         0      Not Applicable
  03/22/2026 06 PM PDT            9.78            972         0      Not Applicable
  03/22/2026 07 PM PDT            9.77            966         -      Not Applicable
  03/22/2026 08 PM PDT            9.77            966         0      Not Applicable
  03/22/2026 09 PM PDT            9.77            966         0      Not Applicable
  03/22/2026 10 PM PDT            9.77            966         0      Not Applicable
  03/22/2026 11 PM PDT            9.77            966         0      Not Applicable
  03/23/2026 12 AM PDT            9.77            966         0      Not Applicable
  03/23/2026 01 AM PDT            9.76            959         -      Not Applicable
  03/23/2026 02 AM PDT            9.76            959         0      Not Applicable
  03/23/2026 03 AM PDT            9.76            959         0      Not Applicable
  03/23/2026 04 AM PDT            9.76            959         0      Not Applicable
  03/23/2026 05 AM PDT            9.76            959         0      Not Applicable
  03/23/2026 06 AM PDT            9.75            953         -      Not Applicable
  03/23/2026 07 AM PDT            9.75            953         0      Not Applicable
  03/23/2026 08 AM PDT            9.75            953         0      Not Applicable
  03/23/2026 09 AM PDT            9.74            947         -      Not Applicable
  03/23/2026 10 AM PDT            9.74            947         0      Not Applicable
  03/23/2026 11 AM PDT            9.74            947         0      Not Applicable
  03/23/2026 12 PM PDT            9.74            947         0      Not Applicable
  03/23/2026 01 PM PDT            9.73            941         -      Not Applicable
  03/23/2026 02 PM PDT            9.73            941         0      Not Applicable
  03/23/2026 03 PM PDT            9.73            941         0      Not Applicable
  03/23/2026 04 PM PDT            9.73            941         0      Not Applicable
  03/23/2026 05 PM PDT            9.72            934         -      Not Applicable
  03/23/2026 06 PM PDT            9.72            934         0      Not Applicable
  03/23/2026 07 PM PDT            9.72            934         0      Not Applicable
  03/23/2026 08 PM PDT            9.72            934         0      Not Applicable
  03/23/2026 09 PM PDT            9.71            928         -      Not Applicable
  03/23/2026 10 PM PDT            9.71            928         0      Not Applicable
  03/23/2026 11 PM PDT            9.71            928         0      Not Applicable
  03/24/2026 12 AM PDT            9.71            928         0      Not Applicable
  03/24/2026 01 AM PDT            9.71            928         0      Not Applicable
  03/24/2026 02 AM PDT            9.71            928         0      Not Applicable
  03/24/2026 03 AM PDT            9.71            928         0      Not Applicable
  03/24/2026 04 AM PDT            9.70            922         -      Not Applicable
  03/24/2026 05 AM PDT            9.70            922         0      Not Applicable
  03/24/2026 06 AM PDT            9.70            922         0      Not Applicable
  03/24/2026 07 AM PDT            9.70            922         0      Not Applicable
  03/24/2026 08 AM PDT            9.70            922         0      Not Applicable
  03/24/2026 09 AM PDT            9.69            916         -      Not Applicable
  03/24/2026 10 AM PDT            9.69            916         0      Not Applicable
  03/24/2026 11 AM PDT            9.69            916         0      Not Applicable
  03/24/2026 12 PM PDT            9.69            916         0      Not Applicable
  03/24/2026 01 PM PDT            9.68            909         -      Not Applicable
  03/24/2026 02 PM PDT            9.68            909         0      Not Applicable
  03/24/2026 03 PM PDT            9.68            909         0      Not Applicable
  03/24/2026 04 PM PDT            9.68            909         0      Not Applicable
  03/24/2026 05 PM PDT            9.68            909         0      Not Applicable
  03/24/2026 06 PM PDT            9.67            903         -      Not Applicable
  03/24/2026 07 PM PDT            9.67            903         0      Not Applicable
  03/24/2026 08 PM PDT            9.67            903         0      Not Applicable
  03/24/2026 09 PM PDT            9.67            903         0      Not Applicable
  03/24/2026 10 PM PDT            9.67            903         0      Not Applicable
  03/24/2026 11 PM PDT            9.67            903         0      Not Applicable
  03/25/2026 12 AM PDT            9.67            903         0      Not Applicable
  03/25/2026 01 AM PDT            9.67            903         0      Not Applicable
  03/25/2026 02 AM PDT            9.66            897         -      Not Applicable
  03/25/2026 03 AM PDT            9.66            897         0      Not Applicable
  03/25/2026 04 AM PDT            9.66            897         0      Not Applicable
  03/25/2026 05 AM PDT            9.66            897         0      Not Applicable
  03/25/2026 06 AM PDT            9.66            897         0      Not Applicable
  03/25/2026 07 AM PDT            9.66            897         0      Not Applicable
  03/25/2026 08 AM PDT            9.65            891         -      Not Applicable
  03/25/2026 09 AM PDT            9.65            891         0      Not Applicable
  03/25/2026 10 AM PDT            9.65            891         0      Not Applicable
  03/25/2026 11 AM PDT            9.65            891         0      Not Applicable
  03/25/2026 12 PM PDT            9.64            884         -      Not Applicable
  03/25/2026 01 PM PDT            9.64            884         0      Not Applicable
  03/25/2026 02 PM PDT            9.64            884         0      Not Applicable
  03/25/2026 03 PM PDT            9.64            884         0      Not Applicable
  03/25/2026 04 PM PDT            9.63            878         -      Not Applicable
  03/25/2026 05 PM PDT            9.63            878         0      Not Applicable
  03/25/2026 06 PM PDT            9.63            878         0      Not Applicable
  03/25/2026 07 PM PDT            9.63            878         0      Not Applicable
  03/25/2026 08 PM PDT            9.63            878         0      Not Applicable
  03/25/2026 09 PM PDT            9.63            878         0      Not Applicable
  03/25/2026 10 PM PDT            9.63            878         0      Not Applicable
  03/25/2026 11 PM PDT            9.62            872         -      Not Applicable
  03/26/2026 12 AM PDT            9.62            872         0      Not Applicable
  03/26/2026 01 AM PDT            9.62            872         0      Not Applicable
  03/26/2026 02 AM PDT            9.62            872         0      Not Applicable
  03/26/2026 03 AM PDT            9.62            872         0      Not Applicable
  03/26/2026 04 AM PDT            9.62            872         0      Not Applicable
  03/26/2026 05 AM PDT            9.62            872         0      Not Applicable
  03/26/2026 06 AM PDT            9.61            866         -      Not Applicable
  03/26/2026 07 AM PDT            9.61            866         0      Not Applicable
  03/26/2026 08 AM PDT            9.61            866         0      Not Applicable
  03/26/2026 09 AM PDT            9.61            866         0      Not Applicable
  03/26/2026 10 AM PDT            9.60            860         -      Not Applicable
  03/26/2026 11 AM PDT            9.60            860         0      Not Applicable
  03/26/2026 12 PM PDT            9.60            860         0      Not Applicable
  03/26/2026 01 PM PDT            9.60            860         0      Not Applicable
  03/26/2026 02 PM PDT            9.59            854         -      Not Applicable
  03/26/2026 03 PM PDT            9.59            854         0      Not Applicable
  03/26/2026 04 PM PDT            9.59            854         0      Not Applicable
  03/26/2026 05 PM PDT            9.59            854         0      Not Applicable
  03/26/2026 06 PM PDT            9.59            854         0      Not Applicable
  03/26/2026 07 PM PDT            9.58            848         -      Not Applicable
  03/26/2026 08 PM PDT            9.58            848         0      Not Applicable
  03/26/2026 09 PM PDT            9.58            848         0      Not Applicable
  03/26/2026 10 PM PDT            9.58            848         0      Not Applicable
  03/26/2026 11 PM PDT            9.58            848         0      Not Applicable
  03/27/2026 12 AM PDT            9.58            848         0      Not Applicable
  03/27/2026 01 AM PDT            9.58            848         0      Not Applicable
  03/27/2026 02 AM PDT            9.58            848         0      Not Applicable
  03/27/2026 03 AM PDT            9.57            842         -      Not Applicable
  03/27/2026 04 AM PDT            9.57            842         0      Not Applicable
  03/27/2026 05 AM PDT            9.57            842         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.