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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
 | 

NORTH FORK AMERICAN RIVER - NORTH FORK DAM (NFDC1)
Latitude: 38.94º NLongitude: 121.02º WElevation: 715 Feet
Location: Placer County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: Jun 14 2025 at 7:21 AM PDTNext Issuance: Jun 15 2025 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: North Fork American River - North Fork Dam (NFDC1)
#
# File Generation Time:  06/14/2025 at 07:23 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/09/2025 at 06:00 PM PDT
# Maximum Observed Stage:                       1.02 Feet
# Maximum Observed Flow:                        480 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/14/2025 at 10:00 AM PDT
# Maximum Forecast Stage:                       0.83 Feet
# Maximum Forecast Flow:                        322 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/09/2025 07 AM PDT            0.93            406                Not Applicable
  06/09/2025 08 AM PDT            0.93            406         0      Not Applicable
  06/09/2025 09 AM PDT            0.94            414         +      Not Applicable
  06/09/2025 10 AM PDT            0.95            422         +      Not Applicable
  06/09/2025 11 AM PDT            0.97            438         +      Not Applicable
  06/09/2025 12 PM PDT            0.99            455         +      Not Applicable
  06/09/2025 01 PM PDT            1.01            472         +      Not Applicable
  06/09/2025 02 PM PDT            1.01            472         0      Not Applicable
  06/09/2025 03 PM PDT            1.02            480         +      Not Applicable
  06/09/2025 04 PM PDT            1.02            480         0      Not Applicable
  06/09/2025 05 PM PDT            1.02            480         0      Not Applicable
  06/09/2025 06 PM PDT            1.02            480         0      Not Applicable
  06/09/2025 07 PM PDT            1.01            472         -      Not Applicable
  06/09/2025 08 PM PDT            1.01            472         0      Not Applicable
  06/09/2025 09 PM PDT            1.00            463         -      Not Applicable
  06/09/2025 10 PM PDT            0.99            455         -      Not Applicable
  06/09/2025 11 PM PDT            0.99            455         0      Not Applicable
  06/10/2025 12 AM PDT            0.98            447         -      Not Applicable
  06/10/2025 01 AM PDT            0.98            447         0      Not Applicable
  06/10/2025 02 AM PDT            0.97            438         -      Not Applicable
  06/10/2025 03 AM PDT            0.96            430         -      Not Applicable
  06/10/2025 04 AM PDT            0.95            422         -      Not Applicable
  06/10/2025 05 AM PDT            0.95            422         0      Not Applicable
  06/10/2025 06 AM PDT            0.94            414         -      Not Applicable
  06/10/2025 07 AM PDT            0.93            406         -      Not Applicable
  06/10/2025 08 AM PDT            0.93            406         0      Not Applicable
  06/10/2025 09 AM PDT            0.93            406         0      Not Applicable
  06/10/2025 10 AM PDT            0.93            406         0      Not Applicable
  06/10/2025 11 AM PDT            0.94            414         +      Not Applicable
  06/10/2025 12 PM PDT            0.94            414         0      Not Applicable
  06/10/2025 01 PM PDT            0.96            430         +      Not Applicable
  06/10/2025 02 PM PDT            0.97            438         +      Not Applicable
  06/10/2025 03 PM PDT            0.97            438         0      Not Applicable
  06/10/2025 04 PM PDT            0.98            447         +      Not Applicable
  06/10/2025 05 PM PDT            0.97            438         -      Not Applicable
  06/10/2025 06 PM PDT            0.97            438         0      Not Applicable
  06/10/2025 07 PM PDT            0.97            438         0      Not Applicable
  06/10/2025 08 PM PDT            0.97            438         0      Not Applicable
  06/10/2025 09 PM PDT            0.96            430         -      Not Applicable
  06/10/2025 10 PM PDT            0.95            422         -      Not Applicable
  06/10/2025 11 PM PDT            0.95            422         0      Not Applicable
  06/11/2025 12 AM PDT            0.94            414         -      Not Applicable
  06/11/2025 01 AM PDT            0.93            406         -      Not Applicable
  06/11/2025 02 AM PDT            0.93            406         0      Not Applicable
  06/11/2025 03 AM PDT            0.92            398         -      Not Applicable
  06/11/2025 04 AM PDT            0.91            389         -      Not Applicable
  06/11/2025 05 AM PDT            0.91            389         0      Not Applicable
  06/11/2025 06 AM PDT            0.90            380         -      Not Applicable
  06/11/2025 07 AM PDT            0.90            380         0      Not Applicable
  06/11/2025 08 AM PDT            0.89            372         -      Not Applicable
  06/11/2025 09 AM PDT            0.88            363         -      Not Applicable
  06/11/2025 10 AM PDT            0.88            363         0      Not Applicable
  06/11/2025 11 AM PDT            0.88            363         0      Not Applicable
  06/11/2025 12 PM PDT            0.88            363         0      Not Applicable
  06/11/2025 01 PM PDT            0.89            372         +      Not Applicable
  06/11/2025 02 PM PDT            0.90            380         +      Not Applicable
  06/11/2025 03 PM PDT            0.91            389         +      Not Applicable
  06/11/2025 04 PM PDT            0.92            398         +      Not Applicable
  06/11/2025 05 PM PDT            0.92            398         0      Not Applicable
  06/11/2025 06 PM PDT            0.92            398         0      Not Applicable
  06/11/2025 07 PM PDT            0.92            398         0      Not Applicable
  06/11/2025 08 PM PDT            0.92            398         0      Not Applicable
  06/11/2025 09 PM PDT            0.92            398         0      Not Applicable
  06/11/2025 10 PM PDT            0.91            389         -      Not Applicable
  06/11/2025 11 PM PDT            0.90            380         -      Not Applicable
  06/12/2025 12 AM PDT            0.90            380         0      Not Applicable
  06/12/2025 01 AM PDT            0.89            372         -      Not Applicable
  06/12/2025 02 AM PDT            0.88            363         -      Not Applicable
  06/12/2025 03 AM PDT            0.88            363         0      Not Applicable
  06/12/2025 04 AM PDT            0.87            355         -      Not Applicable
  06/12/2025 05 AM PDT            0.87            355         0      Not Applicable
  06/12/2025 06 AM PDT            0.86            346         -      Not Applicable
  06/12/2025 07 AM PDT            0.86            346         0      Not Applicable
  06/12/2025 08 AM PDT            0.85            338         -      Not Applicable
  06/12/2025 09 AM PDT            0.84            330         -      Not Applicable
  06/12/2025 10 AM PDT            0.84            330         0      Not Applicable
  06/12/2025 11 AM PDT            0.83            322         -      Not Applicable
  06/12/2025 12 PM PDT            0.83            322         0      Not Applicable
  06/12/2025 01 PM PDT            0.84            330         +      Not Applicable
  06/12/2025 02 PM PDT            0.84            330         0      Not Applicable
  06/12/2025 03 PM PDT            0.85            338         +      Not Applicable
  06/12/2025 04 PM PDT            0.85            338         0      Not Applicable
  06/12/2025 05 PM PDT            0.85            338         0      Not Applicable
  06/12/2025 06 PM PDT            0.86            346         +      Not Applicable
  06/12/2025 07 PM PDT            0.86            346         0      Not Applicable
  06/12/2025 08 PM PDT            0.86            346         0      Not Applicable
  06/12/2025 09 PM PDT            0.86            346         0      Not Applicable
  06/12/2025 10 PM PDT            0.85            338         -      Not Applicable
  06/12/2025 11 PM PDT            0.85            338         0      Not Applicable
  06/13/2025 12 AM PDT            0.84            330         -      Not Applicable
  06/13/2025 01 AM PDT            0.84            330         0      Not Applicable
  06/13/2025 02 AM PDT            0.84            330         0      Not Applicable
  06/13/2025 03 AM PDT            0.83            322         -      Not Applicable
  06/13/2025 04 AM PDT            0.83            322         0      Not Applicable
  06/13/2025 05 AM PDT            0.82            314         -      Not Applicable
  06/13/2025 06 AM PDT            0.82            314         0      Not Applicable
  06/13/2025 07 AM PDT            0.81            306         -      Not Applicable
  06/13/2025 08 AM PDT            0.81            306         0      Not Applicable
  06/13/2025 09 AM PDT            0.80            298         -      Not Applicable
  06/13/2025 10 AM PDT            0.80            298         0      Not Applicable
  06/13/2025 11 AM PDT            0.80            298         0      Not Applicable
  06/13/2025 12 PM PDT            0.79            290         -      Not Applicable
  06/13/2025 01 PM PDT            0.78            282         -      Not Applicable
  06/13/2025 02 PM PDT            0.79            290         +      Not Applicable
  06/13/2025 03 PM PDT            0.79            290         0      Not Applicable
  06/13/2025 04 PM PDT            0.79            290         0      Not Applicable
  06/13/2025 05 PM PDT            0.78            282         -      Not Applicable
  06/13/2025 06 PM PDT            0.79            290         +      Not Applicable
  06/13/2025 07 PM PDT            0.80            298         +      Not Applicable
  06/13/2025 08 PM PDT            0.80            298         0      Not Applicable
  06/13/2025 09 PM PDT            0.80            298         0      Not Applicable
  06/13/2025 10 PM PDT            0.80            298         0      Not Applicable
  06/13/2025 11 PM PDT            0.80            298         0      Not Applicable
  06/14/2025 12 AM PDT            0.79            290         -      Not Applicable
  06/14/2025 01 AM PDT            0.79            290         0      Not Applicable
  06/14/2025 02 AM PDT            0.79            290         0      Not Applicable
  06/14/2025 03 AM PDT            0.79            290         0      Not Applicable
  06/14/2025 04 AM PDT            0.79            290         0      Not Applicable
  06/14/2025 05 AM PDT            0.80            298         +      Not Applicable
  06/14/2025 06 AM PDT            0.80            298         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/14/2025 07 AM PDT            0.81            306                Not Applicable
  06/14/2025 08 AM PDT            0.82            314         +      Not Applicable
  06/14/2025 09 AM PDT            0.82            314         0      Not Applicable
  06/14/2025 10 AM PDT            0.83            322         +      Not Applicable
  06/14/2025 11 AM PDT            0.83            322         0      Not Applicable
  06/14/2025 12 PM PDT            0.83            322         0      Not Applicable
  06/14/2025 01 PM PDT            0.83            322         0      Not Applicable
  06/14/2025 02 PM PDT            0.83            322         0      Not Applicable
  06/14/2025 03 PM PDT            0.83            322         0      Not Applicable
  06/14/2025 04 PM PDT            0.82            314         -      Not Applicable
  06/14/2025 05 PM PDT            0.82            314         0      Not Applicable
  06/14/2025 06 PM PDT            0.82            314         0      Not Applicable
  06/14/2025 07 PM PDT            0.82            314         0      Not Applicable
  06/14/2025 08 PM PDT            0.82            314         0      Not Applicable
  06/14/2025 09 PM PDT            0.82            314         0      Not Applicable
  06/14/2025 10 PM PDT            0.82            314         0      Not Applicable
  06/14/2025 11 PM PDT            0.82            314         0      Not Applicable
  06/15/2025 12 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 01 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 02 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 03 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 04 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 05 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 06 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 07 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 08 AM PDT            0.82            314         0      Not Applicable
  06/15/2025 09 AM PDT            0.81            306         -      Not Applicable
  06/15/2025 10 AM PDT            0.81            306         0      Not Applicable
  06/15/2025 11 AM PDT            0.81            306         0      Not Applicable
  06/15/2025 12 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 01 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 02 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 03 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 04 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 05 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 06 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 07 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 08 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 09 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 10 PM PDT            0.81            306         0      Not Applicable
  06/15/2025 11 PM PDT            0.81            306         0      Not Applicable
  06/16/2025 12 AM PDT            0.81            306         0      Not Applicable
  06/16/2025 01 AM PDT            0.81            306         0      Not Applicable
  06/16/2025 02 AM PDT            0.81            306         0      Not Applicable
  06/16/2025 03 AM PDT            0.80            298         -      Not Applicable
  06/16/2025 04 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 05 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 06 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 07 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 08 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 09 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 10 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 11 AM PDT            0.80            298         0      Not Applicable
  06/16/2025 12 PM PDT            0.80            298         0      Not Applicable
  06/16/2025 01 PM PDT            0.80            298         0      Not Applicable
  06/16/2025 02 PM PDT            0.80            298         0      Not Applicable
  06/16/2025 03 PM PDT            0.80            298         0      Not Applicable
  06/16/2025 04 PM PDT            0.79            290         -      Not Applicable
  06/16/2025 05 PM PDT            0.79            290         0      Not Applicable
  06/16/2025 06 PM PDT            0.79            290         0      Not Applicable
  06/16/2025 07 PM PDT            0.79            290         0      Not Applicable
  06/16/2025 08 PM PDT            0.79            290         0      Not Applicable
  06/16/2025 09 PM PDT            0.79            290         0      Not Applicable
  06/16/2025 10 PM PDT            0.79            290         0      Not Applicable
  06/16/2025 11 PM PDT            0.79            290         0      Not Applicable
  06/17/2025 12 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 01 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 02 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 03 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 04 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 05 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 06 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 07 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 08 AM PDT            0.79            290         0      Not Applicable
  06/17/2025 09 AM PDT            0.78            282         -      Not Applicable
  06/17/2025 10 AM PDT            0.78            282         0      Not Applicable
  06/17/2025 11 AM PDT            0.78            282         0      Not Applicable
  06/17/2025 12 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 01 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 02 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 03 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 04 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 05 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 06 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 07 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 08 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 09 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 10 PM PDT            0.78            282         0      Not Applicable
  06/17/2025 11 PM PDT            0.78            282         0      Not Applicable
  06/18/2025 12 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 01 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 02 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 03 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 04 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 05 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 06 AM PDT            0.78            282         0      Not Applicable
  06/18/2025 07 AM PDT            0.77            275         -      Not Applicable
  06/18/2025 08 AM PDT            0.77            275         0      Not Applicable
  06/18/2025 09 AM PDT            0.77            275         0      Not Applicable
  06/18/2025 10 AM PDT            0.77            275         0      Not Applicable
  06/18/2025 11 AM PDT            0.77            275         0      Not Applicable
  06/18/2025 12 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 01 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 02 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 03 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 04 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 05 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 06 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 07 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 08 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 09 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 10 PM PDT            0.77            275         0      Not Applicable
  06/18/2025 11 PM PDT            0.77            275         0      Not Applicable
  06/19/2025 12 AM PDT            0.77            275         0      Not Applicable
  06/19/2025 01 AM PDT            0.77            275         0      Not Applicable
  06/19/2025 02 AM PDT            0.77            275         0      Not Applicable
  06/19/2025 03 AM PDT            0.77            275         0      Not Applicable
  06/19/2025 04 AM PDT            0.77            275         0      Not Applicable
  06/19/2025 05 AM PDT            0.76            267         -      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.