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: Apr 20 2026 at 7:07 AM PDTNext Issuance: Apr 21 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:  04/20/2026 at 07:09 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/17/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       12.23 Feet
# Maximum Observed Flow:                        3220 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/21/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       13.74 Feet
# Maximum Forecast Flow:                        5359 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/15/2026 07 AM PDT           11.00           1950                Not Applicable
  04/15/2026 08 AM PDT           11.08           2012         +      Not Applicable
  04/15/2026 09 AM PDT           11.04           1981         -      Not Applicable
  04/15/2026 10 AM PDT           11.01           1958         -      Not Applicable
  04/15/2026 11 AM PDT           11.03           1973         +      Not Applicable
  04/15/2026 12 PM PDT           11.01           1958         -      Not Applicable
  04/15/2026 01 PM PDT           10.98           1929         -      Not Applicable
  04/15/2026 02 PM PDT           11.00           1950         +      Not Applicable
  04/15/2026 03 PM PDT           10.96           1908         -      Not Applicable
  04/15/2026 04 PM PDT           10.95           1898         -      Not Applicable
  04/15/2026 05 PM PDT           10.92           1867         -      Not Applicable
  04/15/2026 06 PM PDT           10.84           1786         -      Not Applicable
  04/15/2026 07 PM PDT           10.89           1837         +      Not Applicable
  04/15/2026 08 PM PDT           10.94           1888         +      Not Applicable
  04/15/2026 09 PM PDT           10.88           1827         -      Not Applicable
  04/15/2026 10 PM PDT           10.97           1919         +      Not Applicable
  04/15/2026 11 PM PDT           11.08           2012         +      Not Applicable
  04/16/2026 12 AM PDT           11.11           2036         +      Not Applicable
  04/16/2026 01 AM PDT           11.09           2020         -      Not Applicable
  04/16/2026 02 AM PDT           11.13           2051         +      Not Applicable
  04/16/2026 03 AM PDT           11.12           2044         -      Not Applicable
  04/16/2026 04 AM PDT           11.12           2044         0      Not Applicable
  04/16/2026 05 AM PDT           11.06           1997         -      Not Applicable
  04/16/2026 06 AM PDT           11.15           2067         +      Not Applicable
  04/16/2026 07 AM PDT           11.19           2099         +      Not Applicable
  04/16/2026 08 AM PDT           11.24           2139         +      Not Applicable
  04/16/2026 09 AM PDT           11.34           2219         +      Not Applicable
  04/16/2026 10 AM PDT           11.37           2243         +      Not Applicable
  04/16/2026 11 AM PDT           11.43           2292         +      Not Applicable
  04/16/2026 12 PM PDT           11.48           2333         +      Not Applicable
  04/16/2026 01 PM PDT           11.52           2373         +      Not Applicable
  04/16/2026 02 PM PDT           11.56           2418         +      Not Applicable
  04/16/2026 03 PM PDT           11.58           2442         +      Not Applicable
  04/16/2026 04 PM PDT           11.60           2465         +      Not Applicable
  04/16/2026 05 PM PDT           11.62           2488         +      Not Applicable
  04/16/2026 06 PM PDT           11.62           2488         0      Not Applicable
  04/16/2026 07 PM PDT           11.62           2488         0      Not Applicable
  04/16/2026 08 PM PDT           11.62           2488         0      Not Applicable
  04/16/2026 09 PM PDT           11.61           2477         -      Not Applicable
  04/16/2026 10 PM PDT           11.61           2477         0      Not Applicable
  04/16/2026 11 PM PDT           11.60           2465         -      Not Applicable
  04/17/2026 12 AM PDT           11.60           2465         0      Not Applicable
  04/17/2026 01 AM PDT           11.59           2453         -      Not Applicable
  04/17/2026 02 AM PDT           11.59           2453         0      Not Applicable
  04/17/2026 03 AM PDT           11.58           2442         -      Not Applicable
  04/17/2026 04 AM PDT           11.70           2582         +      Not Applicable
  04/17/2026 05 AM PDT           11.81           2714         +      Not Applicable
  04/17/2026 06 AM PDT           11.91           2837         +      Not Applicable
  04/17/2026 07 AM PDT           12.02           2973         +      Not Applicable
  04/17/2026 08 AM PDT           12.12           3089         +      Not Applicable
  04/17/2026 09 AM PDT           12.23           3220         +      Not Applicable
  04/17/2026 10 AM PDT           12.19           3172         -      Not Applicable
  04/17/2026 11 AM PDT           11.15           2067         -      Not Applicable
  04/17/2026 12 PM PDT           11.27           2163         +      Not Applicable
  04/17/2026 01 PM PDT           11.22           2123         -      Not Applicable
  04/17/2026 02 PM PDT           11.27           2163         +      Not Applicable
  04/17/2026 03 PM PDT           11.13           2051         -      Not Applicable
  04/17/2026 04 PM PDT           11.34           2219         +      Not Applicable
  04/17/2026 05 PM PDT           11.03           1973         -      Not Applicable
  04/17/2026 06 PM PDT           11.89           2812         +      Not Applicable
  04/17/2026 07 PM PDT           11.83           2738         -      Not Applicable
  04/17/2026 08 PM PDT           11.85           2763         +      Not Applicable
  04/17/2026 09 PM PDT           11.85           2763         0      Not Applicable
  04/17/2026 10 PM PDT           11.83           2738         -      Not Applicable
  04/17/2026 11 PM PDT           11.83           2738         0      Not Applicable
  04/18/2026 12 AM PDT           11.76           2653         -      Not Applicable
  04/18/2026 01 AM PDT           11.76           2653         0      Not Applicable
  04/18/2026 02 AM PDT           11.81           2714         +      Not Applicable
  04/18/2026 03 AM PDT           11.84           2751         +      Not Applicable
  04/18/2026 04 AM PDT           11.91           2837         +      Not Applicable
  04/18/2026 05 AM PDT           11.69           2570         -      Not Applicable
  04/18/2026 06 AM PDT           11.74           2629         +      Not Applicable
  04/18/2026 07 AM PDT           11.74           2629         0      Not Applicable
  04/18/2026 08 AM PDT           11.77           2666         +      Not Applicable
  04/18/2026 09 AM PDT           11.70           2582         -      Not Applicable
  04/18/2026 10 AM PDT           10.81           1757         -      Not Applicable
  04/18/2026 11 AM PDT           10.60           1554         -      Not Applicable
  04/18/2026 12 PM PDT           10.71           1659         +      Not Applicable
  04/18/2026 01 PM PDT           10.76           1707         +      Not Applicable
  04/18/2026 02 PM PDT           10.71           1659         -      Not Applicable
  04/18/2026 03 PM PDT           10.68           1630         -      Not Applicable
  04/18/2026 04 PM PDT           10.78           1727         +      Not Applicable
  04/18/2026 05 PM PDT           10.64           1591         -      Not Applicable
  04/18/2026 06 PM PDT           10.72           1668         +      Not Applicable
  04/18/2026 07 PM PDT           11.62           2488         +      Not Applicable
  04/18/2026 08 PM PDT           11.61           2477         -      Not Applicable
  04/18/2026 09 PM PDT           11.58           2442         -      Not Applicable
  04/18/2026 10 PM PDT           11.56           2418         -      Not Applicable
  04/18/2026 11 PM PDT           11.57           2430         +      Not Applicable
  04/19/2026 12 AM PDT           11.62           2488         +      Not Applicable
  04/19/2026 01 AM PDT           11.63           2500         +      Not Applicable
  04/19/2026 02 AM PDT           11.59           2453         -      Not Applicable
  04/19/2026 03 AM PDT           11.62           2488         +      Not Applicable
  04/19/2026 04 AM PDT           11.66           2535         +      Not Applicable
  04/19/2026 05 AM PDT           11.60           2465         -      Not Applicable
  04/19/2026 06 AM PDT           11.66           2535         +      Not Applicable
  04/19/2026 07 AM PDT           11.60           2465         -      Not Applicable
  04/19/2026 08 AM PDT           11.57           2430         -      Not Applicable
  04/19/2026 09 AM PDT           11.50           2350         -      Not Applicable
  04/19/2026 10 AM PDT           10.76           1707         -      Not Applicable
  04/19/2026 11 AM PDT           10.52           1480         -      Not Applicable
  04/19/2026 12 PM PDT           10.50           1462         -      Not Applicable
  04/19/2026 01 PM PDT           10.51           1471         +      Not Applicable
  04/19/2026 02 PM PDT           10.55           1507         +      Not Applicable
  04/19/2026 03 PM PDT           10.50           1462         -      Not Applicable
  04/19/2026 04 PM PDT           10.54           1498         +      Not Applicable
  04/19/2026 05 PM PDT           10.58           1535         +      Not Applicable
  04/19/2026 06 PM PDT           11.49           2342         +      Not Applicable
  04/19/2026 07 PM PDT           11.58           2442         +      Not Applicable
  04/19/2026 08 PM PDT           11.49           2342         -      Not Applicable
  04/19/2026 09 PM PDT           11.45           2309         -      Not Applicable
  04/19/2026 10 PM PDT           11.44           2301         -      Not Applicable
  04/19/2026 11 PM PDT           11.46           2317         +      Not Applicable
  04/20/2026 12 AM PDT           11.51           2361         +      Not Applicable
  04/20/2026 01 AM PDT           11.52           2373         +      Not Applicable
  04/20/2026 02 AM PDT           11.51           2361         -      Not Applicable
  04/20/2026 03 AM PDT           11.47           2325         -      Not Applicable
  04/20/2026 04 AM PDT           11.51           2361         +      Not Applicable
  04/20/2026 05 AM PDT           11.56           2418         +      Not Applicable
  04/20/2026 06 AM PDT           11.48           2333         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/20/2026 07 AM PDT           11.46           2317                Not Applicable
  04/20/2026 08 AM PDT           11.44           2301         -      Not Applicable
  04/20/2026 09 AM PDT           11.42           2284         -      Not Applicable
  04/20/2026 10 AM PDT           11.40           2268         -      Not Applicable
  04/20/2026 11 AM PDT           11.38           2252         -      Not Applicable
  04/20/2026 12 PM PDT           11.36           2235         -      Not Applicable
  04/20/2026 01 PM PDT           11.35           2227         -      Not Applicable
  04/20/2026 02 PM PDT           11.34           2219         -      Not Applicable
  04/20/2026 03 PM PDT           11.33           2211         -      Not Applicable
  04/20/2026 04 PM PDT           11.33           2211         0      Not Applicable
  04/20/2026 05 PM PDT           11.32           2203         -      Not Applicable
  04/20/2026 06 PM PDT           11.32           2203         0      Not Applicable
  04/20/2026 07 PM PDT           11.32           2203         0      Not Applicable
  04/20/2026 08 PM PDT           11.33           2211         +      Not Applicable
  04/20/2026 09 PM PDT           11.33           2211         0      Not Applicable
  04/20/2026 10 PM PDT           11.34           2219         +      Not Applicable
  04/20/2026 11 PM PDT           11.35           2227         +      Not Applicable
  04/21/2026 12 AM PDT           11.39           2260         +      Not Applicable
  04/21/2026 01 AM PDT           11.44           2301         +      Not Applicable
  04/21/2026 02 AM PDT           11.49           2342         +      Not Applicable
  04/21/2026 03 AM PDT           11.53           2384         +      Not Applicable
  04/21/2026 04 AM PDT           11.57           2430         +      Not Applicable
  04/21/2026 05 AM PDT           11.62           2488         +      Not Applicable
  04/21/2026 06 AM PDT           11.75           2641         +      Not Applicable
  04/21/2026 07 AM PDT           11.88           2800         +      Not Applicable
  04/21/2026 08 AM PDT           12.01           2961         +      Not Applicable
  04/21/2026 09 AM PDT           12.16           3136         +      Not Applicable
  04/21/2026 10 AM PDT           12.31           3316         +      Not Applicable
  04/21/2026 11 AM PDT           12.46           3500         +      Not Applicable
  04/21/2026 12 PM PDT           12.62           3701         +      Not Applicable
  04/21/2026 01 PM PDT           12.79           3921         +      Not Applicable
  04/21/2026 02 PM PDT           12.95           4133         +      Not Applicable
  04/21/2026 03 PM PDT           13.09           4334         +      Not Applicable
  04/21/2026 04 PM PDT           13.23           4545         +      Not Applicable
  04/21/2026 05 PM PDT           13.36           4747         +      Not Applicable
  04/21/2026 06 PM PDT           13.43           4857         +      Not Applicable
  04/21/2026 07 PM PDT           13.51           4984         +      Not Applicable
  04/21/2026 08 PM PDT           13.58           5097         +      Not Applicable
  04/21/2026 09 PM PDT           13.64           5195         +      Not Applicable
  04/21/2026 10 PM PDT           13.69           5277         +      Not Applicable
  04/21/2026 11 PM PDT           13.74           5359         +      Not Applicable
  04/22/2026 12 AM PDT           13.74           5359         0      Not Applicable
  04/22/2026 01 AM PDT           13.74           5359         0      Not Applicable
  04/22/2026 02 AM PDT           13.74           5359         0      Not Applicable
  04/22/2026 03 AM PDT           13.73           5343         -      Not Applicable
  04/22/2026 04 AM PDT           13.72           5326         -      Not Applicable
  04/22/2026 05 AM PDT           13.70           5293         -      Not Applicable
  04/22/2026 06 AM PDT           13.66           5227         -      Not Applicable
  04/22/2026 07 AM PDT           13.63           5178         -      Not Applicable
  04/22/2026 08 AM PDT           13.59           5114         -      Not Applicable
  04/22/2026 09 AM PDT           13.55           5048         -      Not Applicable
  04/22/2026 10 AM PDT           13.50           4968         -      Not Applicable
  04/22/2026 11 AM PDT           13.46           4904         -      Not Applicable
  04/22/2026 12 PM PDT           13.41           4826         -      Not Applicable
  04/22/2026 01 PM PDT           13.36           4747         -      Not Applicable
  04/22/2026 02 PM PDT           13.32           4684         -      Not Applicable
  04/22/2026 03 PM PDT           13.27           4607         -      Not Applicable
  04/22/2026 04 PM PDT           13.23           4545         -      Not Applicable
  04/22/2026 05 PM PDT           13.19           4485         -      Not Applicable
  04/22/2026 06 PM PDT           13.14           4409         -      Not Applicable
  04/22/2026 07 PM PDT           13.10           4349         -      Not Applicable
  04/22/2026 08 PM PDT           13.06           4289         -      Not Applicable
  04/22/2026 09 PM PDT           13.03           4244         -      Not Applicable
  04/22/2026 10 PM PDT           12.99           4186         -      Not Applicable
  04/22/2026 11 PM PDT           12.95           4133         -      Not Applicable
  04/23/2026 12 AM PDT           12.92           4093         -      Not Applicable
  04/23/2026 01 AM PDT           12.88           4039         -      Not Applicable
  04/23/2026 02 AM PDT           12.85           4000         -      Not Applicable
  04/23/2026 03 AM PDT           12.81           3947         -      Not Applicable
  04/23/2026 04 AM PDT           12.77           3895         -      Not Applicable
  04/23/2026 05 AM PDT           12.74           3856         -      Not Applicable
  04/23/2026 06 AM PDT           12.70           3804         -      Not Applicable
  04/23/2026 07 AM PDT           12.67           3765         -      Not Applicable
  04/23/2026 08 AM PDT           12.63           3714         -      Not Applicable
  04/23/2026 09 AM PDT           12.60           3676         -      Not Applicable
  04/23/2026 10 AM PDT           12.56           3625         -      Not Applicable
  04/23/2026 11 AM PDT           12.52           3575         -      Not Applicable
  04/23/2026 12 PM PDT           12.50           3550         -      Not Applicable
  04/23/2026 01 PM PDT           12.47           3512         -      Not Applicable
  04/23/2026 02 PM PDT           12.45           3488         -      Not Applicable
  04/23/2026 03 PM PDT           12.42           3451         -      Not Applicable
  04/23/2026 04 PM PDT           12.40           3426         -      Not Applicable
  04/23/2026 05 PM PDT           12.38           3401         -      Not Applicable
  04/23/2026 06 PM PDT           12.38           3401         0      Not Applicable
  04/23/2026 07 PM PDT           12.37           3389         -      Not Applicable
  04/23/2026 08 PM PDT           12.37           3389         0      Not Applicable
  04/23/2026 09 PM PDT           12.37           3389         0      Not Applicable
  04/23/2026 10 PM PDT           12.36           3377         -      Not Applicable
  04/23/2026 11 PM PDT           12.36           3377         0      Not Applicable
  04/24/2026 12 AM PDT           12.36           3377         0      Not Applicable
  04/24/2026 01 AM PDT           12.36           3377         0      Not Applicable
  04/24/2026 02 AM PDT           12.36           3377         0      Not Applicable
  04/24/2026 03 AM PDT           12.36           3377         0      Not Applicable
  04/24/2026 04 AM PDT           12.36           3377         0      Not Applicable
  04/24/2026 05 AM PDT           12.35           3365         -      Not Applicable
  04/24/2026 06 AM PDT           12.35           3365         0      Not Applicable
  04/24/2026 07 AM PDT           12.34           3352         -      Not Applicable
  04/24/2026 08 AM PDT           12.32           3328         -      Not Applicable
  04/24/2026 09 AM PDT           12.31           3316         -      Not Applicable
  04/24/2026 10 AM PDT           12.30           3304         -      Not Applicable
  04/24/2026 11 AM PDT           12.28           3280         -      Not Applicable
  04/24/2026 12 PM PDT           12.27           3268         -      Not Applicable
  04/24/2026 01 PM PDT           12.26           3256         -      Not Applicable
  04/24/2026 02 PM PDT           12.24           3232         -      Not Applicable
  04/24/2026 03 PM PDT           12.23           3220         -      Not Applicable
  04/24/2026 04 PM PDT           12.21           3196         -      Not Applicable
  04/24/2026 05 PM PDT           12.20           3184         -      Not Applicable
  04/24/2026 06 PM PDT           12.20           3184         0      Not Applicable
  04/24/2026 07 PM PDT           12.19           3172         -      Not Applicable
  04/24/2026 08 PM PDT           12.19           3172         0      Not Applicable
  04/24/2026 09 PM PDT           12.18           3160         -      Not Applicable
  04/24/2026 10 PM PDT           12.18           3160         0      Not Applicable
  04/24/2026 11 PM PDT           12.18           3160         0      Not Applicable
  04/25/2026 12 AM PDT           12.18           3160         0      Not Applicable
  04/25/2026 01 AM PDT           12.17           3148         -      Not Applicable
  04/25/2026 02 AM PDT           12.17           3148         0      Not Applicable
  04/25/2026 03 AM PDT           12.16           3136         -      Not Applicable
  04/25/2026 04 AM PDT           12.15           3125         -      Not Applicable
  04/25/2026 05 AM PDT           12.14           3113         -      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.