National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 | 

NORTH FORK OF MIDDLE FORK AMERICAN RIVER - FORESTHILL (NMFC1)
Latitude: 39.02º NLongitude: 120.72º WElevation: 1302 Feet
Location: Placer County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: Dec 25 2025 at 2:03 PM PSTNext Issuance: Dec 26 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: NF of MF American River - Foresthill (NMFC1)
#
# File Generation Time:  12/25/2025 at 02:07 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 10:00 AM PST
# Maximum Observed Flow:                        3527 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 04:00 AM PST
# Maximum Forecast Flow:                        1722 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Flow (cfs)     Trend     Observed Status
# ----------------------------------------------------------------
  12/20/2025 02 PM PST           296                Not Applicable
  12/20/2025 03 PM PST           290         -      Not Applicable
  12/20/2025 04 PM PST           283         -      Not Applicable
  12/20/2025 05 PM PST           279         -      Not Applicable
  12/20/2025 06 PM PST           276         -      Not Applicable
  12/20/2025 07 PM PST           272         -      Not Applicable
  12/20/2025 08 PM PST           269         -      Not Applicable
  12/20/2025 09 PM PST           265         -      Not Applicable
  12/20/2025 10 PM PST           262         -      Not Applicable
  12/20/2025 11 PM PST           290         +      Not Applicable
  12/21/2025 12 AM PST           319         +      Not Applicable
  12/21/2025 01 AM PST           347         +      Not Applicable
  12/21/2025 02 AM PST           375         +      Not Applicable
  12/21/2025 03 AM PST           404         +      Not Applicable
  12/21/2025 04 AM PST           432         +      Not Applicable
  12/21/2025 05 AM PST           517         +      Not Applicable
  12/21/2025 06 AM PST           602         +      Not Applicable
  12/21/2025 07 AM PST           686         +      Not Applicable
  12/21/2025 08 AM PST           771         +      Not Applicable
  12/21/2025 09 AM PST           856         +      Not Applicable
  12/21/2025 10 AM PST           940         +      Not Applicable
  12/21/2025 11 AM PST           991         +      Not Applicable
  12/21/2025 12 PM PST          1042         +      Not Applicable
  12/21/2025 01 PM PST          1092         +      Not Applicable
  12/21/2025 02 PM PST          1143         +      Not Applicable
  12/21/2025 03 PM PST          1193         +      Not Applicable
  12/21/2025 04 PM PST          1244         +      Not Applicable
  12/21/2025 05 PM PST          1334         +      Not Applicable
  12/21/2025 06 PM PST          1425         +      Not Applicable
  12/21/2025 07 PM PST          1516         +      Not Applicable
  12/21/2025 08 PM PST          1607         +      Not Applicable
  12/21/2025 09 PM PST          1698         +      Not Applicable
  12/21/2025 10 PM PST          1788         +      Not Applicable
  12/21/2025 11 PM PST          1984         +      Not Applicable
  12/22/2025 12 AM PST          2179         +      Not Applicable
  12/22/2025 01 AM PST          2374         +      Not Applicable
  12/22/2025 02 AM PST          2569         +      Not Applicable
  12/22/2025 03 AM PST          2765         +      Not Applicable
  12/22/2025 04 AM PST          2960         +      Not Applicable
  12/22/2025 05 AM PST          3054         +      Not Applicable
  12/22/2025 06 AM PST          3149         +      Not Applicable
  12/22/2025 07 AM PST          3243         +      Not Applicable
  12/22/2025 08 AM PST          3338         +      Not Applicable
  12/22/2025 09 AM PST          3432         +      Not Applicable
  12/22/2025 10 AM PST          3527         +      Not Applicable
  12/22/2025 11 AM PST          3495         -      Not Applicable
  12/22/2025 12 PM PST          3463         -      Not Applicable
  12/22/2025 01 PM PST          3431         -      Not Applicable
  12/22/2025 02 PM PST          3399         -      Not Applicable
  12/22/2025 03 PM PST          3367         -      Not Applicable
  12/22/2025 04 PM PST          3335         -      Not Applicable
  12/22/2025 05 PM PST          3207         -      Not Applicable
  12/22/2025 06 PM PST          3080         -      Not Applicable
  12/22/2025 07 PM PST          2953         -      Not Applicable
  12/22/2025 08 PM PST          2825         -      Not Applicable
  12/22/2025 09 PM PST          2698         -      Not Applicable
  12/22/2025 10 PM PST          2570         -      Not Applicable
  12/22/2025 11 PM PST          2444         -      Not Applicable
  12/23/2025 12 AM PST          2318         -      Not Applicable
  12/23/2025 01 AM PST          2192         -      Not Applicable
  12/23/2025 02 AM PST          2065         -      Not Applicable
  12/23/2025 03 AM PST          1939         -      Not Applicable
  12/23/2025 04 AM PST          1813         -      Not Applicable
  12/23/2025 05 AM PST          1737         -      Not Applicable
  12/23/2025 06 AM PST          1662         -      Not Applicable
  12/23/2025 07 AM PST          1587         -      Not Applicable
  12/23/2025 08 AM PST          1511         -      Not Applicable
  12/23/2025 09 AM PST          1436         -      Not Applicable
  12/23/2025 10 AM PST          1360         -      Not Applicable
  12/23/2025 11 AM PST          1318         -      Not Applicable
  12/23/2025 12 PM PST          1276         -      Not Applicable
  12/23/2025 01 PM PST          1233         -      Not Applicable
  12/23/2025 02 PM PST          1191         -      Not Applicable
  12/23/2025 03 PM PST          1149         -      Not Applicable
  12/23/2025 04 PM PST          1106         -      Not Applicable
  12/23/2025 05 PM PST          1081         -      Not Applicable
  12/23/2025 06 PM PST          1056         -      Not Applicable
  12/23/2025 07 PM PST          1031         -      Not Applicable
  12/23/2025 08 PM PST          1005         -      Not Applicable
  12/23/2025 09 PM PST           980         -      Not Applicable
  12/23/2025 10 PM PST           955         -      Not Applicable
  12/23/2025 11 PM PST           949         -      Not Applicable
  12/24/2025 12 AM PST           944         -      Not Applicable
  12/24/2025 01 AM PST           938         -      Not Applicable
  12/24/2025 02 AM PST           933         -      Not Applicable
  12/24/2025 03 AM PST           927         -      Not Applicable
  12/24/2025 04 AM PST           922         -      Not Applicable
  12/24/2025 05 AM PST          1002         +      Not Applicable
  12/24/2025 06 AM PST          1082         +      Not Applicable
  12/24/2025 07 AM PST          1162         +      Not Applicable
  12/24/2025 08 AM PST          1242         +      Not Applicable
  12/24/2025 09 AM PST          1322         +      Not Applicable
  12/24/2025 10 AM PST          1402         +      Not Applicable
  12/24/2025 11 AM PST          1504         +      Not Applicable
  12/24/2025 12 PM PST          1606         +      Not Applicable
  12/24/2025 01 PM PST          1708         +      Not Applicable
  12/24/2025 02 PM PST          1810         +      Not Applicable
  12/24/2025 03 PM PST          1912         +      Not Applicable
  12/24/2025 04 PM PST          2014         +      Not Applicable
  12/24/2025 05 PM PST          2029         +      Not Applicable
  12/24/2025 06 PM PST          2043         +      Not Applicable
  12/24/2025 07 PM PST          2057         +      Not Applicable
  12/24/2025 08 PM PST          2071         +      Not Applicable
  12/24/2025 09 PM PST          2085         +      Not Applicable
  12/24/2025 10 PM PST          2099         +      Not Applicable
  12/24/2025 11 PM PST          2059         -      Not Applicable
  12/25/2025 12 AM PST          2020         -      Not Applicable
  12/25/2025 01 AM PST          1980         -      Not Applicable
  12/25/2025 02 AM PST          1941         -      Not Applicable
  12/25/2025 03 AM PST          1901         -      Not Applicable
  12/25/2025 04 AM PST          1861         -      Not Applicable
  12/25/2025 05 AM PST          1838         -      Not Applicable
  12/25/2025 06 AM PST          1814         -      Not Applicable
  12/25/2025 07 AM PST          1791         -      Not Applicable
  12/25/2025 08 AM PST          1767         -      Not Applicable
  12/25/2025 09 AM PST          1743         -      Not Applicable
  12/25/2025 10 AM PST          1720         -      Not Applicable
  12/25/2025 11 AM PST          1716         -      Not Applicable
  12/25/2025 12 PM PST          1712         -      Not Applicable
  12/25/2025 01 PM PST          1708         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Flow (cfs)     Trend     Forecast Status
# ----------------------------------------------------------------
  12/25/2025 02 PM PST          1705                Not Applicable
  12/25/2025 03 PM PST          1701         -      Not Applicable
  12/25/2025 04 PM PST          1697         -      Not Applicable
  12/25/2025 05 PM PST          1698         +      Not Applicable
  12/25/2025 06 PM PST          1699         +      Not Applicable
  12/25/2025 07 PM PST          1700         +      Not Applicable
  12/25/2025 08 PM PST          1701         +      Not Applicable
  12/25/2025 09 PM PST          1702         +      Not Applicable
  12/25/2025 10 PM PST          1702         0      Not Applicable
  12/25/2025 11 PM PST          1706         +      Not Applicable
  12/26/2025 12 AM PST          1709         +      Not Applicable
  12/26/2025 01 AM PST          1712         +      Not Applicable
  12/26/2025 02 AM PST          1716         +      Not Applicable
  12/26/2025 03 AM PST          1719         +      Not Applicable
  12/26/2025 04 AM PST          1722         +      Not Applicable
  12/26/2025 05 AM PST          1718         -      Not Applicable
  12/26/2025 06 AM PST          1714         -      Not Applicable
  12/26/2025 07 AM PST          1710         -      Not Applicable
  12/26/2025 08 AM PST          1706         -      Not Applicable
  12/26/2025 09 AM PST          1702         -      Not Applicable
  12/26/2025 10 AM PST          1698         -      Not Applicable
  12/26/2025 11 AM PST          1683         -      Not Applicable
  12/26/2025 12 PM PST          1669         -      Not Applicable
  12/26/2025 01 PM PST          1655         -      Not Applicable
  12/26/2025 02 PM PST          1640         -      Not Applicable
  12/26/2025 03 PM PST          1626         -      Not Applicable
  12/26/2025 04 PM PST          1612         -      Not Applicable
  12/26/2025 05 PM PST          1594         -      Not Applicable
  12/26/2025 06 PM PST          1576         -      Not Applicable
  12/26/2025 07 PM PST          1558         -      Not Applicable
  12/26/2025 08 PM PST          1541         -      Not Applicable
  12/26/2025 09 PM PST          1523         -      Not Applicable
  12/26/2025 10 PM PST          1505         -      Not Applicable
  12/26/2025 11 PM PST          1487         -      Not Applicable
  12/27/2025 12 AM PST          1469         -      Not Applicable
  12/27/2025 01 AM PST          1451         -      Not Applicable
  12/27/2025 02 AM PST          1433         -      Not Applicable
  12/27/2025 03 AM PST          1415         -      Not Applicable
  12/27/2025 04 AM PST          1397         -      Not Applicable
  12/27/2025 05 AM PST          1379         -      Not Applicable
  12/27/2025 06 AM PST          1362         -      Not Applicable
  12/27/2025 07 AM PST          1344         -      Not Applicable
  12/27/2025 08 AM PST          1326         -      Not Applicable
  12/27/2025 09 AM PST          1308         -      Not Applicable
  12/27/2025 10 AM PST          1290         -      Not Applicable
  12/27/2025 11 AM PST          1274         -      Not Applicable
  12/27/2025 12 PM PST          1257         -      Not Applicable
  12/27/2025 01 PM PST          1240         -      Not Applicable
  12/27/2025 02 PM PST          1224         -      Not Applicable
  12/27/2025 03 PM PST          1207         -      Not Applicable
  12/27/2025 04 PM PST          1190         -      Not Applicable
  12/27/2025 05 PM PST          1175         -      Not Applicable
  12/27/2025 06 PM PST          1160         -      Not Applicable
  12/27/2025 07 PM PST          1145         -      Not Applicable
  12/27/2025 08 PM PST          1130         -      Not Applicable
  12/27/2025 09 PM PST          1115         -      Not Applicable
  12/27/2025 10 PM PST          1101         -      Not Applicable
  12/27/2025 11 PM PST          1087         -      Not Applicable
  12/28/2025 12 AM PST          1074         -      Not Applicable
  12/28/2025 01 AM PST          1061         -      Not Applicable
  12/28/2025 02 AM PST          1048         -      Not Applicable
  12/28/2025 03 AM PST          1034         -      Not Applicable
  12/28/2025 04 AM PST          1021         -      Not Applicable
  12/28/2025 05 AM PST          1010         -      Not Applicable
  12/28/2025 06 AM PST           998         -      Not Applicable
  12/28/2025 07 AM PST           986         -      Not Applicable
  12/28/2025 08 AM PST           975         -      Not Applicable
  12/28/2025 09 AM PST           963         -      Not Applicable
  12/28/2025 10 AM PST           952         -      Not Applicable
  12/28/2025 11 AM PST           942         -      Not Applicable
  12/28/2025 12 PM PST           931         -      Not Applicable
  12/28/2025 01 PM PST           921         -      Not Applicable
  12/28/2025 02 PM PST           911         -      Not Applicable
  12/28/2025 03 PM PST           901         -      Not Applicable
  12/28/2025 04 PM PST           891         -      Not Applicable
  12/28/2025 05 PM PST           882         -      Not Applicable
  12/28/2025 06 PM PST           873         -      Not Applicable
  12/28/2025 07 PM PST           864         -      Not Applicable
  12/28/2025 08 PM PST           854         -      Not Applicable
  12/28/2025 09 PM PST           845         -      Not Applicable
  12/28/2025 10 PM PST           836         -      Not Applicable
  12/28/2025 11 PM PST           828         -      Not Applicable
  12/29/2025 12 AM PST           820         -      Not Applicable
  12/29/2025 01 AM PST           812         -      Not Applicable
  12/29/2025 02 AM PST           804         -      Not Applicable
  12/29/2025 03 AM PST           796         -      Not Applicable
  12/29/2025 04 AM PST           788         -      Not Applicable
  12/29/2025 05 AM PST           780         -      Not Applicable
  12/29/2025 06 AM PST           773         -      Not Applicable
  12/29/2025 07 AM PST           766         -      Not Applicable
  12/29/2025 08 AM PST           758         -      Not Applicable
  12/29/2025 09 AM PST           751         -      Not Applicable
  12/29/2025 10 AM PST           744         -      Not Applicable
  12/29/2025 11 AM PST           737         -      Not Applicable
  12/29/2025 12 PM PST           731         -      Not Applicable
  12/29/2025 01 PM PST           724         -      Not Applicable
  12/29/2025 02 PM PST           717         -      Not Applicable
  12/29/2025 03 PM PST           711         -      Not Applicable
  12/29/2025 04 PM PST           704         -      Not Applicable
  12/29/2025 05 PM PST           698         -      Not Applicable
  12/29/2025 06 PM PST           692         -      Not Applicable
  12/29/2025 07 PM PST           686         -      Not Applicable
  12/29/2025 08 PM PST           680         -      Not Applicable
  12/29/2025 09 PM PST           674         -      Not Applicable
  12/29/2025 10 PM PST           668         -      Not Applicable
  12/29/2025 11 PM PST           663         -      Not Applicable
  12/30/2025 12 AM PST           657         -      Not Applicable
  12/30/2025 01 AM PST           652         -      Not Applicable
  12/30/2025 02 AM PST           646         -      Not Applicable
  12/30/2025 03 AM PST           641         -      Not Applicable
  12/30/2025 04 AM PST           635         -      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.