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

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COTTONWOOD CREEK - COTTONWOOD (CWAC1)
Latitude: 40.39º NLongitude: 122.24º WElevation: 364 FeetForecast Type: Unofficial Location
Location: Tehama County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Mar 28 2026 at 7:42 AM PDTNext Issuance: Mar 29 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: Cottonwood Creek - Cottonwood (CWAC1)
#
# File Generation Time:  03/28/2026 at 07:44 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/23/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       3.88 Feet
# Maximum Observed Flow:                        589 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/28/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       3.54 Feet
# Maximum Forecast Flow:                        464 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/23/2026 07 AM PDT            3.88            589                Not Applicable
  03/23/2026 08 AM PDT            3.87            585         -      Not Applicable
  03/23/2026 09 AM PDT            3.88            589         +      Not Applicable
  03/23/2026 10 AM PDT            3.87            585         -      Not Applicable
  03/23/2026 11 AM PDT            3.86            581         -      Not Applicable
  03/23/2026 12 PM PDT            3.87            585         +      Not Applicable
  03/23/2026 01 PM PDT            3.86            581         -      Not Applicable
  03/23/2026 02 PM PDT            3.86            581         0      Not Applicable
  03/23/2026 03 PM PDT            3.86            581         0      Not Applicable
  03/23/2026 04 PM PDT            3.86            581         0      Not Applicable
  03/23/2026 05 PM PDT            3.85            577         -      Not Applicable
  03/23/2026 06 PM PDT            3.84            573         -      Not Applicable
  03/23/2026 07 PM PDT            3.86            581         +      Not Applicable
  03/23/2026 08 PM PDT            3.84            573         -      Not Applicable
  03/23/2026 09 PM PDT            3.85            577         +      Not Applicable
  03/23/2026 10 PM PDT            3.84            573         -      Not Applicable
  03/23/2026 11 PM PDT            3.83            569         -      Not Applicable
  03/24/2026 12 AM PDT            3.83            569         0      Not Applicable
  03/24/2026 01 AM PDT            3.83            569         0      Not Applicable
  03/24/2026 02 AM PDT            3.84            573         +      Not Applicable
  03/24/2026 03 AM PDT            3.82            566         -      Not Applicable
  03/24/2026 04 AM PDT            3.81            562         -      Not Applicable
  03/24/2026 05 AM PDT            3.81            562         0      Not Applicable
  03/24/2026 06 AM PDT            3.81            562         0      Not Applicable
  03/24/2026 07 AM PDT            3.82            566         +      Not Applicable
  03/24/2026 08 AM PDT            3.80            558         -      Not Applicable
  03/24/2026 09 AM PDT            3.80            558         0      Not Applicable
  03/24/2026 10 AM PDT            3.80            558         0      Not Applicable
  03/24/2026 11 AM PDT            3.80            558         0      Not Applicable
  03/24/2026 12 PM PDT            3.80            558         0      Not Applicable
  03/24/2026 01 PM PDT            3.77            547         -      Not Applicable
  03/24/2026 02 PM PDT            3.79            554         +      Not Applicable
  03/24/2026 03 PM PDT            3.79            554         0      Not Applicable
  03/24/2026 04 PM PDT            3.78            550         -      Not Applicable
  03/24/2026 05 PM PDT            3.78            550         0      Not Applicable
  03/24/2026 06 PM PDT            3.78            550         0      Not Applicable
  03/24/2026 07 PM PDT            3.78            550         0      Not Applicable
  03/24/2026 08 PM PDT            3.78            550         0      Not Applicable
  03/24/2026 09 PM PDT            3.77            547         -      Not Applicable
  03/24/2026 10 PM PDT            3.77            547         0      Not Applicable
  03/24/2026 11 PM PDT            3.75            539         -      Not Applicable
  03/25/2026 12 AM PDT            3.76            543         +      Not Applicable
  03/25/2026 01 AM PDT            3.77            547         +      Not Applicable
  03/25/2026 02 AM PDT            3.77            547         0      Not Applicable
  03/25/2026 03 AM PDT            3.75            539         -      Not Applicable
  03/25/2026 04 AM PDT            3.75            539         0      Not Applicable
  03/25/2026 05 AM PDT            3.75            539         0      Not Applicable
  03/25/2026 06 AM PDT            3.74            536         -      Not Applicable
  03/25/2026 07 AM PDT            3.74            536         0      Not Applicable
  03/25/2026 08 AM PDT            3.74            536         0      Not Applicable
  03/25/2026 09 AM PDT            3.73            532         -      Not Applicable
  03/25/2026 10 AM PDT            3.73            532         0      Not Applicable
  03/25/2026 11 AM PDT            3.72            528         -      Not Applicable
  03/25/2026 12 PM PDT            3.72            528         0      Not Applicable
  03/25/2026 01 PM PDT            3.72            528         0      Not Applicable
  03/25/2026 02 PM PDT            3.72            528         0      Not Applicable
  03/25/2026 03 PM PDT            3.71            525         -      Not Applicable
  03/25/2026 04 PM PDT            3.69            517         -      Not Applicable
  03/25/2026 05 PM PDT            3.70            521         +      Not Applicable
  03/25/2026 06 PM PDT            3.71            525         +      Not Applicable
  03/25/2026 07 PM PDT            3.70            521         -      Not Applicable
  03/25/2026 08 PM PDT            3.69            517         -      Not Applicable
  03/25/2026 09 PM PDT            3.69            517         0      Not Applicable
  03/25/2026 10 PM PDT            3.70            521         +      Not Applicable
  03/25/2026 11 PM PDT            3.69            517         -      Not Applicable
  03/26/2026 12 AM PDT            3.68            514         -      Not Applicable
  03/26/2026 01 AM PDT            3.68            514         0      Not Applicable
  03/26/2026 02 AM PDT            3.68            514         0      Not Applicable
  03/26/2026 03 AM PDT            3.67            510         -      Not Applicable
  03/26/2026 04 AM PDT            3.67            510         0      Not Applicable
  03/26/2026 05 AM PDT            3.67            510         0      Not Applicable
  03/26/2026 06 AM PDT            3.66            507         -      Not Applicable
  03/26/2026 07 AM PDT            3.66            507         0      Not Applicable
  03/26/2026 08 AM PDT            3.66            507         0      Not Applicable
  03/26/2026 09 AM PDT            3.65            503         -      Not Applicable
  03/26/2026 10 AM PDT            3.66            507         +      Not Applicable
  03/26/2026 11 AM PDT            3.66            507         0      Not Applicable
  03/26/2026 12 PM PDT            3.65            503         -      Not Applicable
  03/26/2026 01 PM PDT            3.65            503         0      Not Applicable
  03/26/2026 02 PM PDT            3.64            499         -      Not Applicable
  03/26/2026 03 PM PDT            3.64            499         0      Not Applicable
  03/26/2026 04 PM PDT            3.63            496         -      Not Applicable
  03/26/2026 05 PM PDT            3.62            492         -      Not Applicable
  03/26/2026 06 PM PDT            3.63            496         +      Not Applicable
  03/26/2026 07 PM PDT            3.63            496         0      Not Applicable
  03/26/2026 08 PM PDT            3.61            489         -      Not Applicable
  03/26/2026 09 PM PDT            3.63            496         +      Not Applicable
  03/26/2026 10 PM PDT            3.61            489         -      Not Applicable
  03/26/2026 11 PM PDT            3.61            489         0      Not Applicable
  03/27/2026 12 AM PDT            3.60            485         -      Not Applicable
  03/27/2026 01 AM PDT            3.60            485         0      Not Applicable
  03/27/2026 02 AM PDT            3.59            482         -      Not Applicable
  03/27/2026 03 AM PDT            3.60            485         +      Not Applicable
  03/27/2026 04 AM PDT            3.60            485         0      Not Applicable
  03/27/2026 05 AM PDT            3.59            482         -      Not Applicable
  03/27/2026 06 AM PDT            3.59            482         0      Not Applicable
  03/27/2026 07 AM PDT            3.59            482         0      Not Applicable
  03/27/2026 08 AM PDT            3.59            482         0      Not Applicable
  03/27/2026 09 AM PDT            3.57            475         -      Not Applicable
  03/27/2026 10 AM PDT            3.58            478         +      Not Applicable
  03/27/2026 11 AM PDT            3.57            475         -      Not Applicable
  03/27/2026 12 PM PDT            3.57            475         0      Not Applicable
  03/27/2026 01 PM PDT            3.58            478         +      Not Applicable
  03/27/2026 02 PM PDT            3.56            471         -      Not Applicable
  03/27/2026 03 PM PDT            3.56            471         0      Not Applicable
  03/27/2026 04 PM PDT            3.56            471         0      Not Applicable
  03/27/2026 05 PM PDT            3.57            475         +      Not Applicable
  03/27/2026 06 PM PDT            3.56            471         -      Not Applicable
  03/27/2026 07 PM PDT            3.56            471         0      Not Applicable
  03/27/2026 08 PM PDT            3.57            475         +      Not Applicable
  03/27/2026 09 PM PDT            3.58            478         +      Not Applicable
  03/27/2026 10 PM PDT            3.56            471         -      Not Applicable
  03/27/2026 11 PM PDT            3.56            471         0      Not Applicable
  03/28/2026 12 AM PDT            3.56            471         0      Not Applicable
  03/28/2026 01 AM PDT            3.55            468         -      Not Applicable
  03/28/2026 02 AM PDT            3.55            468         0      Not Applicable
  03/28/2026 03 AM PDT            3.55            468         0      Not Applicable
  03/28/2026 04 AM PDT            3.53            461         -      Not Applicable
  03/28/2026 05 AM PDT            3.53            461         0      Not Applicable
  03/28/2026 06 AM PDT            3.54            464         +      Not Applicable
  03/28/2026 07 AM PDT            3.54            464         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/28/2026 08 AM PDT            3.54            464                Not Applicable
  03/28/2026 09 AM PDT            3.54            464         0      Not Applicable
  03/28/2026 10 AM PDT            3.54            464         0      Not Applicable
  03/28/2026 11 AM PDT            3.54            464         0      Not Applicable
  03/28/2026 12 PM PDT            3.54            464         0      Not Applicable
  03/28/2026 01 PM PDT            3.53            461         -      Not Applicable
  03/28/2026 02 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 03 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 04 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 05 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 06 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 07 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 08 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 09 PM PDT            3.53            461         0      Not Applicable
  03/28/2026 10 PM PDT            3.52            458         -      Not Applicable
  03/28/2026 11 PM PDT            3.52            458         0      Not Applicable
  03/29/2026 12 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 01 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 02 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 03 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 04 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 05 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 06 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 07 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 08 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 09 AM PDT            3.52            458         0      Not Applicable
  03/29/2026 10 AM PDT            3.51            454         -      Not Applicable
  03/29/2026 11 AM PDT            3.51            454         0      Not Applicable
  03/29/2026 12 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 01 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 02 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 03 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 04 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 05 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 06 PM PDT            3.51            454         0      Not Applicable
  03/29/2026 07 PM PDT            3.50            451         -      Not Applicable
  03/29/2026 08 PM PDT            3.50            451         0      Not Applicable
  03/29/2026 09 PM PDT            3.50            451         0      Not Applicable
  03/29/2026 10 PM PDT            3.50            451         0      Not Applicable
  03/29/2026 11 PM PDT            3.50            451         0      Not Applicable
  03/30/2026 12 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 01 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 02 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 03 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 04 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 05 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 06 AM PDT            3.50            451         0      Not Applicable
  03/30/2026 07 AM PDT            3.49            447         -      Not Applicable
  03/30/2026 08 AM PDT            3.49            447         0      Not Applicable
  03/30/2026 09 AM PDT            3.49            447         0      Not Applicable
  03/30/2026 10 AM PDT            3.49            447         0      Not Applicable
  03/30/2026 11 AM PDT            3.49            447         0      Not Applicable
  03/30/2026 12 PM PDT            3.49            447         0      Not Applicable
  03/30/2026 01 PM PDT            3.49            447         0      Not Applicable
  03/30/2026 02 PM PDT            3.49            447         0      Not Applicable
  03/30/2026 03 PM PDT            3.49            447         0      Not Applicable
  03/30/2026 04 PM PDT            3.49            447         0      Not Applicable
  03/30/2026 05 PM PDT            3.48            444         -      Not Applicable
  03/30/2026 06 PM PDT            3.48            444         0      Not Applicable
  03/30/2026 07 PM PDT            3.48            444         0      Not Applicable
  03/30/2026 08 PM PDT            3.48            444         0      Not Applicable
  03/30/2026 09 PM PDT            3.48            444         0      Not Applicable
  03/30/2026 10 PM PDT            3.48            444         0      Not Applicable
  03/30/2026 11 PM PDT            3.48            444         0      Not Applicable
  03/31/2026 12 AM PDT            3.48            444         0      Not Applicable
  03/31/2026 01 AM PDT            3.48            444         0      Not Applicable
  03/31/2026 02 AM PDT            3.48            444         0      Not Applicable
  03/31/2026 03 AM PDT            3.48            444         0      Not Applicable
  03/31/2026 04 AM PDT            3.48            444         0      Not Applicable
  03/31/2026 05 AM PDT            3.47            441         -      Not Applicable
  03/31/2026 06 AM PDT            3.47            441         0      Not Applicable
  03/31/2026 07 AM PDT            3.47            441         0      Not Applicable
  03/31/2026 08 AM PDT            3.47            441         0      Not Applicable
  03/31/2026 09 AM PDT            3.47            441         0      Not Applicable
  03/31/2026 10 AM PDT            3.47            441         0      Not Applicable
  03/31/2026 11 AM PDT            3.47            441         0      Not Applicable
  03/31/2026 12 PM PDT            3.47            441         0      Not Applicable
  03/31/2026 01 PM PDT            3.47            441         0      Not Applicable
  03/31/2026 02 PM PDT            3.47            441         0      Not Applicable
  03/31/2026 03 PM PDT            3.46            437         -      Not Applicable
  03/31/2026 04 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 05 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 06 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 07 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 08 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 09 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 10 PM PDT            3.46            437         0      Not Applicable
  03/31/2026 11 PM PDT            3.46            437         0      Not Applicable
  04/01/2026 12 AM PDT            3.46            437         0      Not Applicable
  04/01/2026 01 AM PDT            3.46            437         0      Not Applicable
  04/01/2026 02 AM PDT            3.46            437         0      Not Applicable
  04/01/2026 03 AM PDT            3.45            434         -      Not Applicable
  04/01/2026 04 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 05 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 06 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 07 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 08 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 09 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 10 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 11 AM PDT            3.45            434         0      Not Applicable
  04/01/2026 12 PM PDT            3.45            434         0      Not Applicable
  04/01/2026 01 PM PDT            3.46            437         +      Not Applicable
  04/01/2026 02 PM PDT            3.46            437         0      Not Applicable
  04/01/2026 03 PM PDT            3.46            437         0      Not Applicable
  04/01/2026 04 PM PDT            3.46            437         0      Not Applicable
  04/01/2026 05 PM PDT            3.47            441         +      Not Applicable
  04/01/2026 06 PM PDT            3.47            441         0      Not Applicable
  04/01/2026 07 PM PDT            3.48            444         +      Not Applicable
  04/01/2026 08 PM PDT            3.48            444         0      Not Applicable
  04/01/2026 09 PM PDT            3.49            447         +      Not Applicable
  04/01/2026 10 PM PDT            3.50            451         +      Not Applicable
  04/01/2026 11 PM PDT            3.50            451         0      Not Applicable
  04/02/2026 12 AM PDT            3.51            454         +      Not Applicable
  04/02/2026 01 AM PDT            3.52            458         +      Not Applicable
  04/02/2026 02 AM PDT            3.52            458         0      Not Applicable
  04/02/2026 03 AM PDT            3.53            461         +      Not Applicable
  04/02/2026 04 AM PDT            3.53            461         0      Not Applicable
  04/02/2026 05 AM PDT            3.54            464         +      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.