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

 | 

SOUTH FORK AMERICAN RIVER - PLACERVILLE (CBAC1)
Latitude: 38.77º NLongitude: 120.82º WElevation: 931 FeetForecast Type: Unofficial Location
Location: El Dorado County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: Sep 18 2026 at 8:11 AM PDTNext Issuance: Sep 19 2026 at 9:00 AM PDT
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A
Please Note:

# Tabular Observed and Forecast Hydrograph Information
#
# Location: South Fork American River - Placerville (CBAC1)
#
# File Generation Time:  09/18/2026 at 08:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/15/2026 at 12:00 AM PDT
# Maximum Observed Stage:                       4.31 Feet
# Maximum Observed Flow:                        1857 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/19/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       3.92 Feet
# Maximum Forecast Flow:                        1553 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/13/2026 08 AM PDT            3.37           1151                Not Applicable
  09/13/2026 09 AM PDT            4.02           1631         +      Not Applicable
  09/13/2026 10 AM PDT            4.03           1639         +      Not Applicable
  09/13/2026 11 AM PDT            4.04           1646         +      Not Applicable
  09/13/2026 12 PM PDT            4.05           1654         +      Not Applicable
  09/13/2026 01 PM PDT            3.40           1173         -      Not Applicable
  09/13/2026 02 PM PDT            2.74            785         -      Not Applicable
  09/13/2026 03 PM PDT            2.23            549         -      Not Applicable
  09/13/2026 04 PM PDT            1.76            363         -      Not Applicable
  09/13/2026 05 PM PDT            1.62            312         -      Not Applicable
  09/13/2026 06 PM PDT            1.62            312         0      Not Applicable
  09/13/2026 07 PM PDT            1.62            312         0      Not Applicable
  09/13/2026 08 PM PDT            1.61            309         -      Not Applicable
  09/13/2026 09 PM PDT            1.60            305         -      Not Applicable
  09/13/2026 10 PM PDT            1.60            305         0      Not Applicable
  09/13/2026 11 PM PDT            1.60            305         0      Not Applicable
  09/14/2026 12 AM PDT            1.59            302         -      Not Applicable
  09/14/2026 01 AM PDT            1.59            302         0      Not Applicable
  09/14/2026 02 AM PDT            1.59            302         0      Not Applicable
  09/14/2026 03 AM PDT            1.59            302         0      Not Applicable
  09/14/2026 04 AM PDT            1.59            302         0      Not Applicable
  09/14/2026 05 AM PDT            2.00            454         +      Not Applicable
  09/14/2026 06 AM PDT            2.57            701         +      Not Applicable
  09/14/2026 07 AM PDT            3.22           1050         +      Not Applicable
  09/14/2026 08 AM PDT            3.00            917         -      Not Applicable
  09/14/2026 09 AM PDT            2.47            657         -      Not Applicable
  09/14/2026 10 AM PDT            2.47            657         0      Not Applicable
  09/14/2026 11 AM PDT            2.47            657         0      Not Applicable
  09/14/2026 12 PM PDT            2.47            657         0      Not Applicable
  09/14/2026 01 PM PDT            2.47            657         0      Not Applicable
  09/14/2026 02 PM PDT            2.47            657         0      Not Applicable
  09/14/2026 03 PM PDT            2.50            670         +      Not Applicable
  09/14/2026 04 PM PDT            3.35           1137         +      Not Applicable
  09/14/2026 05 PM PDT            3.64           1346         +      Not Applicable
  09/14/2026 06 PM PDT            4.03           1639         +      Not Applicable
  09/14/2026 07 PM PDT            4.03           1639         0      Not Applicable
  09/14/2026 08 PM PDT            4.29           1841         +      Not Applicable
  09/14/2026 09 PM PDT            4.31           1857         +      Not Applicable
  09/14/2026 10 PM PDT            4.31           1857         0      Not Applicable
  09/14/2026 11 PM PDT            4.31           1857         0      Not Applicable
  09/15/2026 12 AM PDT            4.31           1857         0      Not Applicable
  09/15/2026 01 AM PDT            4.01           1623         -      Not Applicable
  09/15/2026 02 AM PDT            3.52           1256         -      Not Applicable
  09/15/2026 03 AM PDT            3.52           1256         0      Not Applicable
  09/15/2026 04 AM PDT            3.51           1248         -      Not Applicable
  09/15/2026 05 AM PDT            3.51           1248         0      Not Applicable
  09/15/2026 06 AM PDT            3.51           1248         0      Not Applicable
  09/15/2026 07 AM PDT            3.51           1248         0      Not Applicable
  09/15/2026 08 AM PDT            3.31           1108         -      Not Applicable
  09/15/2026 09 AM PDT            2.62            725         -      Not Applicable
  09/15/2026 10 AM PDT            2.16            519         -      Not Applicable
  09/15/2026 11 AM PDT            1.66            327         -      Not Applicable
  09/15/2026 12 PM PDT            1.60            305         -      Not Applicable
  09/15/2026 01 PM PDT            1.60            305         0      Not Applicable
  09/15/2026 02 PM PDT            1.60            305         0      Not Applicable
  09/15/2026 03 PM PDT            1.61            309         +      Not Applicable
  09/15/2026 04 PM PDT            1.60            305         -      Not Applicable
  09/15/2026 05 PM PDT            1.60            305         0      Not Applicable
  09/15/2026 06 PM PDT            1.60            305         0      Not Applicable
  09/15/2026 07 PM PDT            2.52            679         +      Not Applicable
  09/15/2026 08 PM PDT            2.91            872         +      Not Applicable
  09/15/2026 09 PM PDT            3.62           1331         +      Not Applicable
  09/15/2026 10 PM PDT            3.88           1523         +      Not Applicable
  09/15/2026 11 PM PDT            3.89           1530         +      Not Applicable
  09/16/2026 12 AM PDT            3.89           1530         0      Not Applicable
  09/16/2026 01 AM PDT            3.89           1530         0      Not Applicable
  09/16/2026 02 AM PDT            3.73           1411         -      Not Applicable
  09/16/2026 03 AM PDT            3.11            976         -      Not Applicable
  09/16/2026 04 AM PDT            2.91            872         -      Not Applicable
  09/16/2026 05 AM PDT            2.65            740         -      Not Applicable
  09/16/2026 06 AM PDT            2.48            661         -      Not Applicable
  09/16/2026 07 AM PDT            3.14            996         +      Not Applicable
  09/16/2026 08 AM PDT            2.61            720         -      Not Applicable
  09/16/2026 09 AM PDT            2.28            570         -      Not Applicable
  09/16/2026 10 AM PDT            2.22            545         -      Not Applicable
  09/16/2026 11 AM PDT            1.85            395         -      Not Applicable
  09/16/2026 12 PM PDT            1.78            370         -      Not Applicable
  09/16/2026 01 PM PDT            1.78            370         0      Not Applicable
  09/16/2026 02 PM PDT            1.78            370         0      Not Applicable
  09/16/2026 03 PM PDT            1.78            370         0      Not Applicable
  09/16/2026 04 PM PDT            1.78            370         0      Not Applicable
  09/16/2026 05 PM PDT            2.11            497         +      Not Applicable
  09/16/2026 06 PM PDT            3.13            989         +      Not Applicable
  09/16/2026 07 PM PDT            3.84           1492         +      Not Applicable
  09/16/2026 08 PM PDT            3.90           1538         +      Not Applicable
  09/16/2026 09 PM PDT            3.87           1515         -      Not Applicable
  09/16/2026 10 PM PDT            3.77           1440         -      Not Applicable
  09/16/2026 11 PM PDT            3.77           1440         0      Not Applicable
  09/17/2026 12 AM PDT            3.64           1346         -      Not Applicable
  09/17/2026 01 AM PDT            3.02            927         -      Not Applicable
  09/17/2026 02 AM PDT            2.36            607         -      Not Applicable
  09/17/2026 03 AM PDT            1.93            425         -      Not Applicable
  09/17/2026 04 AM PDT            1.60            305         -      Not Applicable
  09/17/2026 05 AM PDT            1.60            305         0      Not Applicable
  09/17/2026 06 AM PDT            1.60            305         0      Not Applicable
  09/17/2026 07 AM PDT            2.02            462         +      Not Applicable
  09/17/2026 08 AM PDT            3.08            959         +      Not Applicable
  09/17/2026 09 AM PDT            3.72           1403         +      Not Applicable
  09/17/2026 10 AM PDT            3.73           1411         +      Not Applicable
  09/17/2026 11 AM PDT            3.73           1411         0      Not Applicable
  09/17/2026 12 PM PDT            3.73           1411         0      Not Applicable
  09/17/2026 01 PM PDT            3.18           1023         -      Not Applicable
  09/17/2026 02 PM PDT            2.46            652         -      Not Applicable
  09/17/2026 03 PM PDT            2.04            469         -      Not Applicable
  09/17/2026 04 PM PDT            2.17            524         +      Not Applicable
  09/17/2026 05 PM PDT            3.17           1016         +      Not Applicable
  09/17/2026 06 PM PDT            3.73           1411         +      Not Applicable
  09/17/2026 07 PM PDT            3.73           1411         0      Not Applicable
  09/17/2026 08 PM PDT            3.73           1411         0      Not Applicable
  09/17/2026 09 PM PDT            3.73           1411         0      Not Applicable
  09/17/2026 10 PM PDT            3.73           1411         0      Not Applicable
  09/17/2026 11 PM PDT            3.73           1411         0      Not Applicable
  09/18/2026 12 AM PDT            3.50           1241         -      Not Applicable
  09/18/2026 01 AM PDT            2.87            851         -      Not Applicable
  09/18/2026 02 AM PDT            2.29            575         -      Not Applicable
  09/18/2026 03 AM PDT            1.84            391         -      Not Applicable
  09/18/2026 04 AM PDT            1.60            305         -      Not Applicable
  09/18/2026 05 AM PDT            1.60            305         0      Not Applicable
  09/18/2026 06 AM PDT            1.59            302         -      Not Applicable
  09/18/2026 07 AM PDT            1.59            302         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/18/2026 08 AM PDT            1.59            302                Not Applicable
  09/18/2026 09 AM PDT            3.65           1353         +      Not Applicable
  09/18/2026 10 AM PDT            3.65           1353         0      Not Applicable
  09/18/2026 11 AM PDT            3.65           1353         0      Not Applicable
  09/18/2026 12 PM PDT            1.59            302         -      Not Applicable
  09/18/2026 01 PM PDT            1.58            298         -      Not Applicable
  09/18/2026 02 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 03 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 04 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 05 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 06 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 07 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 08 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 09 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 10 PM PDT            1.58            298         0      Not Applicable
  09/18/2026 11 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 12 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 01 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 02 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 03 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 04 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 05 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 06 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 07 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 08 AM PDT            1.58            298         0      Not Applicable
  09/19/2026 09 AM PDT            3.92           1553         +      Not Applicable
  09/19/2026 10 AM PDT            3.92           1553         0      Not Applicable
  09/19/2026 11 AM PDT            3.92           1553         0      Not Applicable
  09/19/2026 12 PM PDT            1.58            298         -      Not Applicable
  09/19/2026 01 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 02 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 03 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 04 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 05 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 06 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 07 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 08 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 09 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 10 PM PDT            1.58            298         0      Not Applicable
  09/19/2026 11 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 12 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 01 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 02 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 03 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 04 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 05 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 06 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 07 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 08 AM PDT            1.58            298         0      Not Applicable
  09/20/2026 09 AM PDT            3.92           1553         +      Not Applicable
  09/20/2026 10 AM PDT            3.92           1553         0      Not Applicable
  09/20/2026 11 AM PDT            3.92           1553         0      Not Applicable
  09/20/2026 12 PM PDT            1.58            298         -      Not Applicable
  09/20/2026 01 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 02 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 03 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 04 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 05 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 06 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 07 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 08 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 09 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 10 PM PDT            1.58            298         0      Not Applicable
  09/20/2026 11 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 12 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 01 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 02 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 03 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 04 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 05 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 06 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 07 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 08 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 09 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 10 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 11 AM PDT            1.58            298         0      Not Applicable
  09/21/2026 12 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 01 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 02 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 03 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 04 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 05 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 06 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 07 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 08 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 09 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 10 PM PDT            1.58            298         0      Not Applicable
  09/21/2026 11 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 12 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 01 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 02 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 03 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 04 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 05 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 06 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 07 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 08 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 09 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 10 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 11 AM PDT            1.58            298         0      Not Applicable
  09/22/2026 12 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 01 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 02 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 03 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 04 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 05 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 06 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 07 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 08 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 09 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 10 PM PDT            1.58            298         0      Not Applicable
  09/22/2026 11 PM PDT            1.58            298         0      Not Applicable
  09/23/2026 12 AM PDT            1.58            298         0      Not Applicable
  09/23/2026 01 AM PDT            1.58            298         0      Not Applicable
  09/23/2026 02 AM PDT            1.58            298         0      Not Applicable
  09/23/2026 03 AM PDT            1.58            298         0      Not Applicable
  09/23/2026 04 AM PDT            1.58            298         0      Not Applicable
  09/23/2026 05 AM PDT            1.58            298         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.