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MIDDLE FORK AMERICAN RIVER - FORESTHILL (MFAC1)
| Latitude: 39.01º N | Longitude: 120.76º W | Elevation: 1070 Feet | | Forecast Type: Unofficial Location |
| Location: Placer County in California | Bulletin Group: Lower Sacramento | River Group: American |
| Issuance Time: | Aug 16 2026 at 7:09 AM PDT | Next Issuance: | Aug 17 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: 08/16/2026 at 07:11 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/15/2026 at 07:00 AM PDT
# Maximum Observed Stage: 9.89 Feet
# Maximum Observed Flow: 1042 cfs
#
# Earliest Date & Time of Maximum Forecast: 08/16/2026 at 01:00 PM PDT
# Maximum Forecast Stage: 9.63 Feet
# Maximum Forecast Flow: 878 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
08/11/2026 07 AM PDT 9.77 966 Not Applicable
08/11/2026 08 AM PDT 9.78 972 + Not Applicable
08/11/2026 09 AM PDT 9.76 959 - Not Applicable
08/11/2026 10 AM PDT 9.83 1004 + Not Applicable
08/11/2026 11 AM PDT 9.85 1017 + Not Applicable
08/11/2026 12 PM PDT 9.79 979 - Not Applicable
08/11/2026 01 PM PDT 9.81 991 + Not Applicable
08/11/2026 02 PM PDT 9.78 972 - Not Applicable
08/11/2026 03 PM PDT 9.81 991 + Not Applicable
08/11/2026 04 PM PDT 9.77 966 - Not Applicable
08/11/2026 05 PM PDT 9.83 1004 + Not Applicable
08/11/2026 06 PM PDT 9.80 985 - Not Applicable
08/11/2026 07 PM PDT 9.74 947 - Not Applicable
08/11/2026 08 PM PDT 9.75 953 + Not Applicable
08/11/2026 09 PM PDT 9.75 953 0 Not Applicable
08/11/2026 10 PM PDT 9.80 985 + Not Applicable
08/11/2026 11 PM PDT 9.81 991 + Not Applicable
08/12/2026 12 AM PDT 9.78 972 - Not Applicable
08/12/2026 01 AM PDT 9.77 966 - Not Applicable
08/12/2026 02 AM PDT 9.75 953 - Not Applicable
08/12/2026 03 AM PDT 9.78 972 + Not Applicable
08/12/2026 04 AM PDT 9.78 972 0 Not Applicable
08/12/2026 05 AM PDT 9.77 966 - Not Applicable
08/12/2026 06 AM PDT 9.77 966 0 Not Applicable
08/12/2026 07 AM PDT 9.79 979 + Not Applicable
08/12/2026 08 AM PDT 9.73 941 - Not Applicable
08/12/2026 09 AM PDT 9.78 972 + Not Applicable
08/12/2026 10 AM PDT 9.77 966 - Not Applicable
08/12/2026 11 AM PDT 9.79 979 + Not Applicable
08/12/2026 12 PM PDT 9.80 985 + Not Applicable
08/12/2026 01 PM PDT 9.77 966 - Not Applicable
08/12/2026 02 PM PDT 9.66 897 - Not Applicable
08/12/2026 03 PM PDT 9.68 909 + Not Applicable
08/12/2026 04 PM PDT 9.59 854 - Not Applicable
08/12/2026 05 PM PDT 9.60 860 + Not Applicable
08/12/2026 06 PM PDT 9.08 607 - Not Applicable
08/12/2026 07 PM PDT 8.98 565 - Not Applicable
08/12/2026 08 PM PDT 9.00 572 + Not Applicable
08/12/2026 09 PM PDT 9.02 581 + Not Applicable
08/12/2026 10 PM PDT 8.95 554 - Not Applicable
08/12/2026 11 PM PDT 8.91 540 - Not Applicable
08/13/2026 12 AM PDT 8.92 544 + Not Applicable
08/13/2026 01 AM PDT 8.92 544 0 Not Applicable
08/13/2026 02 AM PDT 9.41 758 + Not Applicable
08/13/2026 03 AM PDT 9.37 739 - Not Applicable
08/13/2026 04 AM PDT 9.38 744 + Not Applicable
08/13/2026 05 AM PDT 9.37 739 - Not Applicable
08/13/2026 06 AM PDT 9.38 744 + Not Applicable
08/13/2026 07 AM PDT 9.40 753 + Not Applicable
08/13/2026 08 AM PDT 9.39 748 - Not Applicable
08/13/2026 09 AM PDT 9.84 1010 + Not Applicable
08/13/2026 10 AM PDT 9.82 998 - Not Applicable
08/13/2026 11 AM PDT 9.81 991 - Not Applicable
08/13/2026 12 PM PDT 9.85 1017 + Not Applicable
08/13/2026 01 PM PDT 9.82 998 - Not Applicable
08/13/2026 02 PM PDT 9.30 707 - Not Applicable
08/13/2026 03 PM PDT 8.78 494 - Not Applicable
08/13/2026 04 PM PDT 8.81 505 + Not Applicable
08/13/2026 05 PM PDT 8.79 498 - Not Applicable
08/13/2026 06 PM PDT 8.74 477 - Not Applicable
08/13/2026 07 PM PDT 8.76 485 + Not Applicable
08/13/2026 08 PM PDT 8.74 477 - Not Applicable
08/13/2026 09 PM PDT 8.72 469 - Not Applicable
08/13/2026 10 PM PDT 8.74 477 + Not Applicable
08/13/2026 11 PM PDT 8.72 469 - Not Applicable
08/14/2026 12 AM PDT 8.77 489 + Not Applicable
08/14/2026 01 AM PDT 9.37 739 + Not Applicable
08/14/2026 02 AM PDT 9.84 1010 + Not Applicable
08/14/2026 03 AM PDT 9.78 972 - Not Applicable
08/14/2026 04 AM PDT 9.83 1004 + Not Applicable
08/14/2026 05 AM PDT 9.84 1010 + Not Applicable
08/14/2026 06 AM PDT 9.85 1017 + Not Applicable
08/14/2026 07 AM PDT 9.86 1023 + Not Applicable
08/14/2026 08 AM PDT 9.85 1017 - Not Applicable
08/14/2026 09 AM PDT 9.88 1036 + Not Applicable
08/14/2026 10 AM PDT 9.87 1029 - Not Applicable
08/14/2026 11 AM PDT 9.85 1017 - Not Applicable
08/14/2026 12 PM PDT 9.81 991 - Not Applicable
08/14/2026 01 PM PDT 9.86 1023 + Not Applicable
08/14/2026 02 PM PDT 9.53 818 - Not Applicable
08/14/2026 03 PM PDT 9.55 830 + Not Applicable
08/14/2026 04 PM PDT 9.58 848 + Not Applicable
08/14/2026 05 PM PDT 9.51 806 - Not Applicable
08/14/2026 06 PM PDT 9.55 830 + Not Applicable
08/14/2026 07 PM PDT 9.16 643 - Not Applicable
08/14/2026 08 PM PDT 9.14 634 - Not Applicable
08/14/2026 09 PM PDT 9.12 625 - Not Applicable
08/14/2026 10 PM PDT 9.13 629 + Not Applicable
08/14/2026 11 PM PDT 9.09 611 - Not Applicable
08/15/2026 12 AM PDT 9.11 620 + Not Applicable
08/15/2026 01 AM PDT 9.12 625 + Not Applicable
08/15/2026 02 AM PDT 9.65 891 + Not Applicable
08/15/2026 03 AM PDT 9.83 1004 + Not Applicable
08/15/2026 04 AM PDT 9.88 1036 + Not Applicable
08/15/2026 05 AM PDT 9.88 1036 0 Not Applicable
08/15/2026 06 AM PDT 9.87 1029 - Not Applicable
08/15/2026 07 AM PDT 9.89 1042 + Not Applicable
08/15/2026 08 AM PDT 9.81 991 - Not Applicable
08/15/2026 09 AM PDT 9.82 998 + Not Applicable
08/15/2026 10 AM PDT 9.85 1017 + Not Applicable
08/15/2026 11 AM PDT 9.86 1023 + Not Applicable
08/15/2026 12 PM PDT 9.84 1010 - Not Applicable
08/15/2026 01 PM PDT 9.58 848 - Not Applicable
08/15/2026 02 PM PDT 8.82 509 - Not Applicable
08/15/2026 03 PM PDT 8.63 427 - Not Applicable
08/15/2026 04 PM PDT 8.55 389 - Not Applicable
08/15/2026 05 PM PDT 8.54 385 - Not Applicable
08/15/2026 06 PM PDT 8.52 376 - Not Applicable
08/15/2026 07 PM PDT 8.53 380 + Not Applicable
08/15/2026 08 PM PDT 8.53 380 0 Not Applicable
08/15/2026 09 PM PDT 8.51 371 - Not Applicable
08/15/2026 10 PM PDT 8.87 526 + Not Applicable
08/15/2026 11 PM PDT 8.97 561 + Not Applicable
08/16/2026 12 AM PDT 8.90 537 - Not Applicable
08/16/2026 01 AM PDT 8.86 523 - Not Applicable
08/16/2026 02 AM PDT 8.90 537 + Not Applicable
08/16/2026 03 AM PDT 8.94 551 + Not Applicable
08/16/2026 04 AM PDT 8.88 530 - Not Applicable
08/16/2026 05 AM PDT 8.88 530 0 Not Applicable
08/16/2026 06 AM PDT 8.90 537 + Not Applicable
08/16/2026 07 AM PDT 9.03 585 + Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
08/16/2026 08 AM PDT 9.14 634 Not Applicable
08/16/2026 09 AM PDT 9.25 684 + Not Applicable
08/16/2026 10 AM PDT 9.35 730 + Not Applicable
08/16/2026 11 AM PDT 9.46 781 + Not Applicable
08/16/2026 12 PM PDT 9.55 830 + Not Applicable
08/16/2026 01 PM PDT 9.63 878 + Not Applicable
08/16/2026 02 PM PDT 9.19 656 - Not Applicable
08/16/2026 03 PM PDT 9.19 656 0 Not Applicable
08/16/2026 04 PM PDT 9.19 656 0 Not Applicable
08/16/2026 05 PM PDT 9.19 656 0 Not Applicable
08/16/2026 06 PM PDT 9.19 656 0 Not Applicable
08/16/2026 07 PM PDT 9.19 656 0 Not Applicable
08/16/2026 08 PM PDT 9.19 656 0 Not Applicable
08/16/2026 09 PM PDT 9.19 656 0 Not Applicable
08/16/2026 10 PM PDT 9.19 656 0 Not Applicable
08/16/2026 11 PM PDT 9.19 656 0 Not Applicable
08/17/2026 12 AM PDT 9.19 656 0 Not Applicable
08/17/2026 01 AM PDT 9.19 656 0 Not Applicable
08/17/2026 02 AM PDT 9.19 656 0 Not Applicable
08/17/2026 03 AM PDT 9.19 656 0 Not Applicable
08/17/2026 04 AM PDT 9.19 656 0 Not Applicable
08/17/2026 05 AM PDT 9.19 656 0 Not Applicable
08/17/2026 06 AM PDT 9.19 656 0 Not Applicable
08/17/2026 07 AM PDT 9.19 656 0 Not Applicable
08/17/2026 08 AM PDT 9.19 656 0 Not Applicable
08/17/2026 09 AM PDT 9.19 656 0 Not Applicable
08/17/2026 10 AM PDT 9.19 656 0 Not Applicable
08/17/2026 11 AM PDT 9.19 656 0 Not Applicable
08/17/2026 12 PM PDT 9.19 656 0 Not Applicable
08/17/2026 01 PM PDT 9.19 656 0 Not Applicable
08/17/2026 02 PM PDT 9.19 656 0 Not Applicable
08/17/2026 03 PM PDT 9.19 656 0 Not Applicable
08/17/2026 04 PM PDT 9.19 656 0 Not Applicable
08/17/2026 05 PM PDT 9.19 656 0 Not Applicable
08/17/2026 06 PM PDT 9.19 656 0 Not Applicable
08/17/2026 07 PM PDT 9.19 656 0 Not Applicable
08/17/2026 08 PM PDT 9.19 656 0 Not Applicable
08/17/2026 09 PM PDT 9.19 656 0 Not Applicable
08/17/2026 10 PM PDT 9.19 656 0 Not Applicable
08/17/2026 11 PM PDT 9.19 656 0 Not Applicable
08/18/2026 12 AM PDT 9.19 656 0 Not Applicable
08/18/2026 01 AM PDT 9.19 656 0 Not Applicable
08/18/2026 02 AM PDT 9.19 656 0 Not Applicable
08/18/2026 03 AM PDT 9.19 656 0 Not Applicable
08/18/2026 04 AM PDT 9.19 656 0 Not Applicable
08/18/2026 05 AM PDT 9.19 656 0 Not Applicable
08/18/2026 06 AM PDT 9.19 656 0 Not Applicable
08/18/2026 07 AM PDT 9.19 656 0 Not Applicable
08/18/2026 08 AM PDT 9.19 656 0 Not Applicable
08/18/2026 09 AM PDT 9.19 656 0 Not Applicable
08/18/2026 10 AM PDT 9.19 656 0 Not Applicable
08/18/2026 11 AM PDT 9.19 656 0 Not Applicable
08/18/2026 12 PM PDT 9.19 656 0 Not Applicable
08/18/2026 01 PM PDT 9.19 656 0 Not Applicable
08/18/2026 02 PM PDT 9.19 656 0 Not Applicable
08/18/2026 03 PM PDT 9.19 656 0 Not Applicable
08/18/2026 04 PM PDT 9.19 656 0 Not Applicable
08/18/2026 05 PM PDT 9.19 656 0 Not Applicable
08/18/2026 06 PM PDT 9.19 656 0 Not Applicable
08/18/2026 07 PM PDT 9.19 656 0 Not Applicable
08/18/2026 08 PM PDT 9.19 656 0 Not Applicable
08/18/2026 09 PM PDT 9.19 656 0 Not Applicable
08/18/2026 10 PM PDT 9.19 656 0 Not Applicable
08/18/2026 11 PM PDT 9.19 656 0 Not Applicable
08/19/2026 12 AM PDT 9.19 656 0 Not Applicable
08/19/2026 01 AM PDT 9.19 656 0 Not Applicable
08/19/2026 02 AM PDT 9.19 656 0 Not Applicable
08/19/2026 03 AM PDT 9.19 656 0 Not Applicable
08/19/2026 04 AM PDT 9.19 656 0 Not Applicable
08/19/2026 05 AM PDT 9.19 656 0 Not Applicable
08/19/2026 06 AM PDT 9.19 656 0 Not Applicable
08/19/2026 07 AM PDT 9.19 656 0 Not Applicable
08/19/2026 08 AM PDT 9.19 656 0 Not Applicable
08/19/2026 09 AM PDT 9.19 656 0 Not Applicable
08/19/2026 10 AM PDT 9.19 656 0 Not Applicable
08/19/2026 11 AM PDT 9.19 656 0 Not Applicable
08/19/2026 12 PM PDT 9.19 656 0 Not Applicable
08/19/2026 01 PM PDT 9.19 656 0 Not Applicable
08/19/2026 02 PM PDT 9.19 656 0 Not Applicable
08/19/2026 03 PM PDT 9.19 656 0 Not Applicable
08/19/2026 04 PM PDT 9.19 656 0 Not Applicable
08/19/2026 05 PM PDT 9.19 656 0 Not Applicable
08/19/2026 06 PM PDT 9.19 656 0 Not Applicable
08/19/2026 07 PM PDT 9.19 656 0 Not Applicable
08/19/2026 08 PM PDT 9.19 656 0 Not Applicable
08/19/2026 09 PM PDT 9.19 656 0 Not Applicable
08/19/2026 10 PM PDT 9.19 656 0 Not Applicable
08/19/2026 11 PM PDT 9.19 656 0 Not Applicable
08/20/2026 12 AM PDT 9.19 656 0 Not Applicable
08/20/2026 01 AM PDT 9.19 656 0 Not Applicable
08/20/2026 02 AM PDT 9.19 656 0 Not Applicable
08/20/2026 03 AM PDT 9.19 656 0 Not Applicable
08/20/2026 04 AM PDT 9.19 656 0 Not Applicable
08/20/2026 05 AM PDT 9.19 656 0 Not Applicable
08/20/2026 06 AM PDT 9.19 656 0 Not Applicable
08/20/2026 07 AM PDT 9.19 656 0 Not Applicable
08/20/2026 08 AM PDT 9.19 656 0 Not Applicable
08/20/2026 09 AM PDT 9.19 656 0 Not Applicable
08/20/2026 10 AM PDT 9.19 656 0 Not Applicable
08/20/2026 11 AM PDT 9.19 656 0 Not Applicable
08/20/2026 12 PM PDT 9.19 656 0 Not Applicable
08/20/2026 01 PM PDT 9.18 652 - Not Applicable
08/20/2026 02 PM PDT 9.18 652 0 Not Applicable
08/20/2026 03 PM PDT 9.18 652 0 Not Applicable
08/20/2026 04 PM PDT 9.18 652 0 Not Applicable
08/20/2026 05 PM PDT 9.18 652 0 Not Applicable
08/20/2026 06 PM PDT 9.18 652 0 Not Applicable
08/20/2026 07 PM PDT 9.18 652 0 Not Applicable
08/20/2026 08 PM PDT 9.18 652 0 Not Applicable
08/20/2026 09 PM PDT 9.18 652 0 Not Applicable
08/20/2026 10 PM PDT 9.18 652 0 Not Applicable
08/20/2026 11 PM PDT 9.18 652 0 Not Applicable
08/21/2026 12 AM PDT 9.18 652 0 Not Applicable
08/21/2026 01 AM PDT 9.18 652 0 Not Applicable
08/21/2026 02 AM PDT 9.18 652 0 Not Applicable
08/21/2026 03 AM PDT 9.18 652 0 Not Applicable
08/21/2026 04 AM PDT 9.18 652 0 Not Applicable
08/21/2026 05 AM PDT 9.18 652 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.
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