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

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NORTH FORK AMERICAN RIVER - NORTH FORK DAM (NFDC1)
Latitude: 38.94º NLongitude: 121.02º WElevation: 715 FeetForecast Type: Unofficial Location
Location: Placer County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: May 23 2026 at 7:50 AM PDTNext Issuance: May 24 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: North Fork American River - North Fork Dam (NFDC1)
#
# File Generation Time:  05/23/2026 at 07:51 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/18/2026 at 05:00 PM PDT
# Maximum Observed Stage:                       1.07 Feet
# Maximum Observed Flow:                        524 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/23/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       0.96 Feet
# Maximum Forecast Flow:                        430 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/18/2026 07 AM PDT            1.07            524                Not Applicable
  05/18/2026 08 AM PDT            1.06            515         -      Not Applicable
  05/18/2026 09 AM PDT            1.06            515         0      Not Applicable
  05/18/2026 10 AM PDT            1.07            524         +      Not Applicable
  05/18/2026 11 AM PDT            1.06            515         -      Not Applicable
  05/18/2026 12 PM PDT            1.06            515         0      Not Applicable
  05/18/2026 01 PM PDT            1.06            515         0      Not Applicable
  05/18/2026 02 PM PDT            1.06            515         0      Not Applicable
  05/18/2026 03 PM PDT            1.06            515         0      Not Applicable
  05/18/2026 04 PM PDT            1.07            524         +      Not Applicable
  05/18/2026 05 PM PDT            1.07            524         0      Not Applicable
  05/18/2026 06 PM PDT            1.06            515         -      Not Applicable
  05/18/2026 07 PM PDT            1.05            506         -      Not Applicable
  05/18/2026 08 PM PDT            1.06            515         +      Not Applicable
  05/18/2026 09 PM PDT            1.06            515         0      Not Applicable
  05/18/2026 10 PM PDT            1.05            506         -      Not Applicable
  05/18/2026 11 PM PDT            1.05            506         0      Not Applicable
  05/19/2026 12 AM PDT            1.05            506         0      Not Applicable
  05/19/2026 01 AM PDT            1.04            498         -      Not Applicable
  05/19/2026 02 AM PDT            1.04            498         0      Not Applicable
  05/19/2026 03 AM PDT            1.04            498         0      Not Applicable
  05/19/2026 04 AM PDT            1.03            489         -      Not Applicable
  05/19/2026 05 AM PDT            1.03            489         0      Not Applicable
  05/19/2026 06 AM PDT            1.03            489         0      Not Applicable
  05/19/2026 07 AM PDT            1.03            489         0      Not Applicable
  05/19/2026 08 AM PDT            1.02            480         -      Not Applicable
  05/19/2026 09 AM PDT            1.02            480         0      Not Applicable
  05/19/2026 10 AM PDT            1.02            480         0      Not Applicable
  05/19/2026 11 AM PDT            1.02            480         0      Not Applicable
  05/19/2026 12 PM PDT            1.02            480         0      Not Applicable
  05/19/2026 01 PM PDT            1.02            480         0      Not Applicable
  05/19/2026 02 PM PDT            1.02            480         0      Not Applicable
  05/19/2026 03 PM PDT            1.02            480         0      Not Applicable
  05/19/2026 04 PM PDT            1.02            480         0      Not Applicable
  05/19/2026 05 PM PDT            1.03            489         +      Not Applicable
  05/19/2026 06 PM PDT            1.03            489         0      Not Applicable
  05/19/2026 07 PM PDT            1.02            480         -      Not Applicable
  05/19/2026 08 PM PDT            1.03            489         +      Not Applicable
  05/19/2026 09 PM PDT            1.02            480         -      Not Applicable
  05/19/2026 10 PM PDT            1.02            480         0      Not Applicable
  05/19/2026 11 PM PDT            1.02            480         0      Not Applicable
  05/20/2026 12 AM PDT            1.02            480         0      Not Applicable
  05/20/2026 01 AM PDT            1.01            472         -      Not Applicable
  05/20/2026 02 AM PDT            1.01            472         0      Not Applicable
  05/20/2026 03 AM PDT            1.01            472         0      Not Applicable
  05/20/2026 04 AM PDT            1.01            472         0      Not Applicable
  05/20/2026 05 AM PDT            1.00            463         -      Not Applicable
  05/20/2026 06 AM PDT            1.00            463         0      Not Applicable
  05/20/2026 07 AM PDT            1.00            463         0      Not Applicable
  05/20/2026 08 AM PDT            1.00            463         0      Not Applicable
  05/20/2026 09 AM PDT            0.99            455         -      Not Applicable
  05/20/2026 10 AM PDT            0.99            455         0      Not Applicable
  05/20/2026 11 AM PDT            0.99            455         0      Not Applicable
  05/20/2026 12 PM PDT            0.99            455         0      Not Applicable
  05/20/2026 01 PM PDT            0.99            455         0      Not Applicable
  05/20/2026 02 PM PDT            0.99            455         0      Not Applicable
  05/20/2026 03 PM PDT            0.99            455         0      Not Applicable
  05/20/2026 04 PM PDT            1.00            463         +      Not Applicable
  05/20/2026 05 PM PDT            1.00            463         0      Not Applicable
  05/20/2026 06 PM PDT            1.00            463         0      Not Applicable
  05/20/2026 07 PM PDT            1.00            463         0      Not Applicable
  05/20/2026 08 PM PDT            1.00            463         0      Not Applicable
  05/20/2026 09 PM PDT            1.00            463         0      Not Applicable
  05/20/2026 10 PM PDT            1.00            463         0      Not Applicable
  05/20/2026 11 PM PDT            1.00            463         0      Not Applicable
  05/21/2026 12 AM PDT            0.99            455         -      Not Applicable
  05/21/2026 01 AM PDT            0.99            455         0      Not Applicable
  05/21/2026 02 AM PDT            0.99            455         0      Not Applicable
  05/21/2026 03 AM PDT            0.99            455         0      Not Applicable
  05/21/2026 04 AM PDT            0.99            455         0      Not Applicable
  05/21/2026 05 AM PDT            0.99            455         0      Not Applicable
  05/21/2026 06 AM PDT            0.98            447         -      Not Applicable
  05/21/2026 07 AM PDT            0.98            447         0      Not Applicable
  05/21/2026 08 AM PDT            0.98            447         0      Not Applicable
  05/21/2026 09 AM PDT            0.97            438         -      Not Applicable
  05/21/2026 10 AM PDT            0.97            438         0      Not Applicable
  05/21/2026 11 AM PDT            0.96            430         -      Not Applicable
  05/21/2026 12 PM PDT            0.97            438         +      Not Applicable
  05/21/2026 01 PM PDT            0.97            438         0      Not Applicable
  05/21/2026 02 PM PDT            0.98            447         +      Not Applicable
  05/21/2026 03 PM PDT            0.98            447         0      Not Applicable
  05/21/2026 04 PM PDT            0.98            447         0      Not Applicable
  05/21/2026 05 PM PDT            0.98            447         0      Not Applicable
  05/21/2026 06 PM PDT            0.99            455         +      Not Applicable
  05/21/2026 07 PM PDT            0.99            455         0      Not Applicable
  05/21/2026 08 PM PDT            0.99            455         0      Not Applicable
  05/21/2026 09 PM PDT            0.99            455         0      Not Applicable
  05/21/2026 10 PM PDT            0.99            455         0      Not Applicable
  05/21/2026 11 PM PDT            0.99            455         0      Not Applicable
  05/22/2026 12 AM PDT            0.99            455         0      Not Applicable
  05/22/2026 01 AM PDT            0.99            455         0      Not Applicable
  05/22/2026 02 AM PDT            0.98            447         -      Not Applicable
  05/22/2026 03 AM PDT            0.98            447         0      Not Applicable
  05/22/2026 04 AM PDT            0.98            447         0      Not Applicable
  05/22/2026 05 AM PDT            0.98            447         0      Not Applicable
  05/22/2026 06 AM PDT            0.97            438         -      Not Applicable
  05/22/2026 07 AM PDT            0.97            438         0      Not Applicable
  05/22/2026 08 AM PDT            0.97            438         0      Not Applicable
  05/22/2026 09 AM PDT            0.96            430         -      Not Applicable
  05/22/2026 10 AM PDT            0.96            430         0      Not Applicable
  05/22/2026 11 AM PDT            0.96            430         0      Not Applicable
  05/22/2026 12 PM PDT            0.95            422         -      Not Applicable
  05/22/2026 01 PM PDT            0.96            430         +      Not Applicable
  05/22/2026 02 PM PDT            0.96            430         0      Not Applicable
  05/22/2026 03 PM PDT            0.96            430         0      Not Applicable
  05/22/2026 04 PM PDT            0.97            438         +      Not Applicable
  05/22/2026 05 PM PDT            0.97            438         0      Not Applicable
  05/22/2026 06 PM PDT            0.98            447         +      Not Applicable
  05/22/2026 07 PM PDT            0.98            447         0      Not Applicable
  05/22/2026 08 PM PDT            0.98            447         0      Not Applicable
  05/22/2026 09 PM PDT            0.98            447         0      Not Applicable
  05/22/2026 10 PM PDT            0.98            447         0      Not Applicable
  05/22/2026 11 PM PDT            0.98            447         0      Not Applicable
  05/23/2026 12 AM PDT            0.98            447         0      Not Applicable
  05/23/2026 01 AM PDT            0.97            438         -      Not Applicable
  05/23/2026 02 AM PDT            0.97            438         0      Not Applicable
  05/23/2026 03 AM PDT            0.97            438         0      Not Applicable
  05/23/2026 04 AM PDT            0.97            438         0      Not Applicable
  05/23/2026 05 AM PDT            0.97            438         0      Not Applicable
  05/23/2026 06 AM PDT            0.97            438         0      Not Applicable
  05/23/2026 07 AM PDT            0.97            438         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/23/2026 08 AM PDT            0.96            430                Not Applicable
  05/23/2026 09 AM PDT            0.96            430         0      Not Applicable
  05/23/2026 10 AM PDT            0.96            430         0      Not Applicable
  05/23/2026 11 AM PDT            0.96            430         0      Not Applicable
  05/23/2026 12 PM PDT            0.96            430         0      Not Applicable
  05/23/2026 01 PM PDT            0.96            430         0      Not Applicable
  05/23/2026 02 PM PDT            0.95            422         -      Not Applicable
  05/23/2026 03 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 04 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 05 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 06 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 07 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 08 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 09 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 10 PM PDT            0.95            422         0      Not Applicable
  05/23/2026 11 PM PDT            0.94            414         -      Not Applicable
  05/24/2026 12 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 01 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 02 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 03 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 04 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 05 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 06 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 07 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 08 AM PDT            0.94            414         0      Not Applicable
  05/24/2026 09 AM PDT            0.93            406         -      Not Applicable
  05/24/2026 10 AM PDT            0.93            406         0      Not Applicable
  05/24/2026 11 AM PDT            0.93            406         0      Not Applicable
  05/24/2026 12 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 01 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 02 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 03 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 04 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 05 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 06 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 07 PM PDT            0.93            406         0      Not Applicable
  05/24/2026 08 PM PDT            0.92            398         -      Not Applicable
  05/24/2026 09 PM PDT            0.92            398         0      Not Applicable
  05/24/2026 10 PM PDT            0.92            398         0      Not Applicable
  05/24/2026 11 PM PDT            0.92            398         0      Not Applicable
  05/25/2026 12 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 01 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 02 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 03 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 04 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 05 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 06 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 07 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 08 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 09 AM PDT            0.92            398         0      Not Applicable
  05/25/2026 10 AM PDT            0.91            389         -      Not Applicable
  05/25/2026 11 AM PDT            0.91            389         0      Not Applicable
  05/25/2026 12 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 01 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 02 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 03 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 04 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 05 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 06 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 07 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 08 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 09 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 10 PM PDT            0.91            389         0      Not Applicable
  05/25/2026 11 PM PDT            0.91            389         0      Not Applicable
  05/26/2026 12 AM PDT            0.91            389         0      Not Applicable
  05/26/2026 01 AM PDT            0.90            380         -      Not Applicable
  05/26/2026 02 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 03 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 04 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 05 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 06 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 07 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 08 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 09 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 10 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 11 AM PDT            0.90            380         0      Not Applicable
  05/26/2026 12 PM PDT            0.90            380         0      Not Applicable
  05/26/2026 01 PM PDT            0.90            380         0      Not Applicable
  05/26/2026 02 PM PDT            0.90            380         0      Not Applicable
  05/26/2026 03 PM PDT            0.90            380         0      Not Applicable
  05/26/2026 04 PM PDT            0.89            372         -      Not Applicable
  05/26/2026 05 PM PDT            0.89            372         0      Not Applicable
  05/26/2026 06 PM PDT            0.89            372         0      Not Applicable
  05/26/2026 07 PM PDT            0.89            372         0      Not Applicable
  05/26/2026 08 PM PDT            0.89            372         0      Not Applicable
  05/26/2026 09 PM PDT            0.89            372         0      Not Applicable
  05/26/2026 10 PM PDT            0.89            372         0      Not Applicable
  05/26/2026 11 PM PDT            0.89            372         0      Not Applicable
  05/27/2026 12 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 01 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 02 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 03 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 04 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 05 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 06 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 07 AM PDT            0.89            372         0      Not Applicable
  05/27/2026 08 AM PDT            0.88            363         -      Not Applicable
  05/27/2026 09 AM PDT            0.88            363         0      Not Applicable
  05/27/2026 10 AM PDT            0.88            363         0      Not Applicable
  05/27/2026 11 AM PDT            0.88            363         0      Not Applicable
  05/27/2026 12 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 01 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 02 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 03 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 04 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 05 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 06 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 07 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 08 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 09 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 10 PM PDT            0.88            363         0      Not Applicable
  05/27/2026 11 PM PDT            0.88            363         0      Not Applicable
  05/28/2026 12 AM PDT            0.88            363         0      Not Applicable
  05/28/2026 01 AM PDT            0.88            363         0      Not Applicable
  05/28/2026 02 AM PDT            0.88            363         0      Not Applicable
  05/28/2026 03 AM PDT            0.88            363         0      Not Applicable
  05/28/2026 04 AM PDT            0.87            355         -      Not Applicable
  05/28/2026 05 AM PDT            0.87            355         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.