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: Apr 11 2026 at 8:50 AM PDTNext Issuance: Apr 12 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:  04/11/2026 at 08:51 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/10/2026 at 11:00 PM PDT
# Maximum Observed Stage:                       3.49 Feet
# Maximum Observed Flow:                        447 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       3.93 Feet
# Maximum Forecast Flow:                        608 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/06/2026 08 AM PDT            3.17            346                Not Applicable
  04/06/2026 09 AM PDT            3.17            346         0      Not Applicable
  04/06/2026 10 AM PDT            3.18            349         +      Not Applicable
  04/06/2026 11 AM PDT            3.19            352         +      Not Applicable
  04/06/2026 12 PM PDT            3.18            349         -      Not Applicable
  04/06/2026 01 PM PDT            3.18            349         0      Not Applicable
  04/06/2026 02 PM PDT            3.18            349         0      Not Applicable
  04/06/2026 03 PM PDT            3.18            349         0      Not Applicable
  04/06/2026 04 PM PDT            3.17            346         -      Not Applicable
  04/06/2026 05 PM PDT            3.16            343         -      Not Applicable
  04/06/2026 06 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 07 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 08 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 09 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 10 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 11 PM PDT            3.14            337         -      Not Applicable
  04/07/2026 12 AM PDT            3.16            343         +      Not Applicable
  04/07/2026 01 AM PDT            3.14            337         -      Not Applicable
  04/07/2026 02 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 03 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 04 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 05 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 06 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 07 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 08 AM PDT            3.15            340         +      Not Applicable
  04/07/2026 09 AM PDT            3.16            343         +      Not Applicable
  04/07/2026 10 AM PDT            3.16            343         0      Not Applicable
  04/07/2026 11 AM PDT            3.18            349         +      Not Applicable
  04/07/2026 12 PM PDT            3.20            355         +      Not Applicable
  04/07/2026 01 PM PDT            3.19            352         -      Not Applicable
  04/07/2026 02 PM PDT            3.19            352         0      Not Applicable
  04/07/2026 03 PM PDT            3.19            352         0      Not Applicable
  04/07/2026 04 PM PDT            3.19            352         0      Not Applicable
  04/07/2026 05 PM PDT            3.16            343         -      Not Applicable
  04/07/2026 06 PM PDT            3.16            343         0      Not Applicable
  04/07/2026 07 PM PDT            3.16            343         0      Not Applicable
  04/07/2026 08 PM PDT            3.14            337         -      Not Applicable
  04/07/2026 09 PM PDT            3.15            340         +      Not Applicable
  04/07/2026 10 PM PDT            3.15            340         0      Not Applicable
  04/07/2026 11 PM PDT            3.15            340         0      Not Applicable
  04/08/2026 12 AM PDT            3.15            340         0      Not Applicable
  04/08/2026 01 AM PDT            3.13            334         -      Not Applicable
  04/08/2026 02 AM PDT            3.13            334         0      Not Applicable
  04/08/2026 03 AM PDT            3.13            334         0      Not Applicable
  04/08/2026 04 AM PDT            3.12            332         -      Not Applicable
  04/08/2026 05 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 06 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 07 AM PDT            3.11            329         -      Not Applicable
  04/08/2026 08 AM PDT            3.12            332         +      Not Applicable
  04/08/2026 09 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 10 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 11 AM PDT            3.11            329         -      Not Applicable
  04/08/2026 12 PM PDT            3.13            334         +      Not Applicable
  04/08/2026 01 PM PDT            3.12            332         -      Not Applicable
  04/08/2026 02 PM PDT            3.12            332         0      Not Applicable
  04/08/2026 03 PM PDT            3.11            329         -      Not Applicable
  04/08/2026 04 PM PDT            3.10            326         -      Not Applicable
  04/08/2026 05 PM PDT            3.11            329         +      Not Applicable
  04/08/2026 06 PM PDT            3.10            326         -      Not Applicable
  04/08/2026 07 PM PDT            3.12            332         +      Not Applicable
  04/08/2026 08 PM PDT            3.11            329         -      Not Applicable
  04/08/2026 09 PM PDT            3.11            329         0      Not Applicable
  04/08/2026 10 PM PDT            3.13            334         +      Not Applicable
  04/08/2026 11 PM PDT            3.13            334         0      Not Applicable
  04/09/2026 12 AM PDT            3.12            332         -      Not Applicable
  04/09/2026 01 AM PDT            3.12            332         0      Not Applicable
  04/09/2026 02 AM PDT            3.12            332         0      Not Applicable
  04/09/2026 03 AM PDT            3.12            332         0      Not Applicable
  04/09/2026 04 AM PDT            3.13            334         +      Not Applicable
  04/09/2026 05 AM PDT            3.13            334         0      Not Applicable
  04/09/2026 06 AM PDT            3.13            334         0      Not Applicable
  04/09/2026 07 AM PDT            3.13            334         0      Not Applicable
  04/09/2026 08 AM PDT            3.15            340         +      Not Applicable
  04/09/2026 09 AM PDT            3.15            340         0      Not Applicable
  04/09/2026 10 AM PDT            3.16            343         +      Not Applicable
  04/09/2026 11 AM PDT            3.17            346         +      Not Applicable
  04/09/2026 12 PM PDT            3.19            352         +      Not Applicable
  04/09/2026 01 PM PDT            3.19            352         0      Not Applicable
  04/09/2026 02 PM PDT            3.19            352         0      Not Applicable
  04/09/2026 03 PM PDT            3.22            361         +      Not Applicable
  04/09/2026 04 PM PDT            3.22            361         0      Not Applicable
  04/09/2026 05 PM PDT            3.22            361         0      Not Applicable
  04/09/2026 06 PM PDT            3.22            361         0      Not Applicable
  04/09/2026 07 PM PDT            3.21            358         -      Not Applicable
  04/09/2026 08 PM PDT            3.21            358         0      Not Applicable
  04/09/2026 09 PM PDT            3.20            355         -      Not Applicable
  04/09/2026 10 PM PDT            3.20            355         0      Not Applicable
  04/09/2026 11 PM PDT            3.20            355         0      Not Applicable
  04/10/2026 12 AM PDT            3.20            355         0      Not Applicable
  04/10/2026 01 AM PDT            3.20            355         0      Not Applicable
  04/10/2026 02 AM PDT            3.19            352         -      Not Applicable
  04/10/2026 03 AM PDT            3.19            352         0      Not Applicable
  04/10/2026 04 AM PDT            3.19            352         0      Not Applicable
  04/10/2026 05 AM PDT            3.20            355         +      Not Applicable
  04/10/2026 06 AM PDT            3.20            355         0      Not Applicable
  04/10/2026 07 AM PDT            3.23            364         +      Not Applicable
  04/10/2026 08 AM PDT            3.25            370         +      Not Applicable
  04/10/2026 09 AM PDT            3.29            383         +      Not Applicable
  04/10/2026 10 AM PDT            3.32            392         +      Not Applicable
  04/10/2026 11 AM PDT            3.40            418         +      Not Applicable
  04/10/2026 12 PM PDT            3.44            431         +      Not Applicable
  04/10/2026 01 PM PDT            3.46            437         +      Not Applicable
  04/10/2026 02 PM PDT            3.48            444         +      Not Applicable
  04/10/2026 03 PM PDT            3.48            444         0      Not Applicable
  04/10/2026 04 PM PDT            3.47            441         -      Not Applicable
  04/10/2026 05 PM PDT            3.45            434         -      Not Applicable
  04/10/2026 06 PM PDT            3.45            434         0      Not Applicable
  04/10/2026 07 PM PDT            3.45            434         0      Not Applicable
  04/10/2026 08 PM PDT            3.46            437         +      Not Applicable
  04/10/2026 09 PM PDT            3.47            441         +      Not Applicable
  04/10/2026 10 PM PDT            3.49            447         +      Not Applicable
  04/10/2026 11 PM PDT            3.49            447         0      Not Applicable
  04/11/2026 12 AM PDT            3.47            441         -      Not Applicable
  04/11/2026 01 AM PDT            3.47            441         0      Not Applicable
  04/11/2026 02 AM PDT            3.45            434         -      Not Applicable
  04/11/2026 03 AM PDT            3.46            437         +      Not Applicable
  04/11/2026 04 AM PDT            3.44            431         -      Not Applicable
  04/11/2026 05 AM PDT            3.45            434         +      Not Applicable
  04/11/2026 06 AM PDT            3.45            434         0      Not Applicable
  04/11/2026 07 AM PDT            3.47            441         +      Not Applicable
  04/11/2026 08 AM PDT            3.47            441         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/11/2026 09 AM PDT            3.47            441                Not Applicable
  04/11/2026 10 AM PDT            3.48            444         +      Not Applicable
  04/11/2026 11 AM PDT            3.48            444         0      Not Applicable
  04/11/2026 12 PM PDT            3.48            444         0      Not Applicable
  04/11/2026 01 PM PDT            3.49            447         +      Not Applicable
  04/11/2026 02 PM PDT            3.50            451         +      Not Applicable
  04/11/2026 03 PM PDT            3.52            458         +      Not Applicable
  04/11/2026 04 PM PDT            3.54            464         +      Not Applicable
  04/11/2026 05 PM PDT            3.57            475         +      Not Applicable
  04/11/2026 06 PM PDT            3.60            485         +      Not Applicable
  04/11/2026 07 PM PDT            3.63            496         +      Not Applicable
  04/11/2026 08 PM PDT            3.66            507         +      Not Applicable
  04/11/2026 09 PM PDT            3.70            521         +      Not Applicable
  04/11/2026 10 PM PDT            3.73            532         +      Not Applicable
  04/11/2026 11 PM PDT            3.77            547         +      Not Applicable
  04/12/2026 12 AM PDT            3.80            558         +      Not Applicable
  04/12/2026 01 AM PDT            3.82            566         +      Not Applicable
  04/12/2026 02 AM PDT            3.85            577         +      Not Applicable
  04/12/2026 03 AM PDT            3.87            585         +      Not Applicable
  04/12/2026 04 AM PDT            3.88            589         +      Not Applicable
  04/12/2026 05 AM PDT            3.90            596         +      Not Applicable
  04/12/2026 06 AM PDT            3.91            600         +      Not Applicable
  04/12/2026 07 AM PDT            3.92            604         +      Not Applicable
  04/12/2026 08 AM PDT            3.92            604         0      Not Applicable
  04/12/2026 09 AM PDT            3.93            608         +      Not Applicable
  04/12/2026 10 AM PDT            3.93            608         0      Not Applicable
  04/12/2026 11 AM PDT            3.93            608         0      Not Applicable
  04/12/2026 12 PM PDT            3.93            608         0      Not Applicable
  04/12/2026 01 PM PDT            3.93            608         0      Not Applicable
  04/12/2026 02 PM PDT            3.92            604         -      Not Applicable
  04/12/2026 03 PM PDT            3.91            600         -      Not Applicable
  04/12/2026 04 PM PDT            3.90            596         -      Not Applicable
  04/12/2026 05 PM PDT            3.89            592         -      Not Applicable
  04/12/2026 06 PM PDT            3.88            589         -      Not Applicable
  04/12/2026 07 PM PDT            3.87            585         -      Not Applicable
  04/12/2026 08 PM PDT            3.85            577         -      Not Applicable
  04/12/2026 09 PM PDT            3.84            573         -      Not Applicable
  04/12/2026 10 PM PDT            3.83            569         -      Not Applicable
  04/12/2026 11 PM PDT            3.81            562         -      Not Applicable
  04/13/2026 12 AM PDT            3.80            558         -      Not Applicable
  04/13/2026 01 AM PDT            3.78            550         -      Not Applicable
  04/13/2026 02 AM PDT            3.77            547         -      Not Applicable
  04/13/2026 03 AM PDT            3.76            543         -      Not Applicable
  04/13/2026 04 AM PDT            3.75            539         -      Not Applicable
  04/13/2026 05 AM PDT            3.73            532         -      Not Applicable
  04/13/2026 06 AM PDT            3.72            528         -      Not Applicable
  04/13/2026 07 AM PDT            3.71            525         -      Not Applicable
  04/13/2026 08 AM PDT            3.70            521         -      Not Applicable
  04/13/2026 09 AM PDT            3.69            517         -      Not Applicable
  04/13/2026 10 AM PDT            3.67            510         -      Not Applicable
  04/13/2026 11 AM PDT            3.66            507         -      Not Applicable
  04/13/2026 12 PM PDT            3.66            507         0      Not Applicable
  04/13/2026 01 PM PDT            3.65            503         -      Not Applicable
  04/13/2026 02 PM PDT            3.64            499         -      Not Applicable
  04/13/2026 03 PM PDT            3.64            499         0      Not Applicable
  04/13/2026 04 PM PDT            3.63            496         -      Not Applicable
  04/13/2026 05 PM PDT            3.63            496         0      Not Applicable
  04/13/2026 06 PM PDT            3.63            496         0      Not Applicable
  04/13/2026 07 PM PDT            3.63            496         0      Not Applicable
  04/13/2026 08 PM PDT            3.63            496         0      Not Applicable
  04/13/2026 09 PM PDT            3.63            496         0      Not Applicable
  04/13/2026 10 PM PDT            3.64            499         +      Not Applicable
  04/13/2026 11 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 12 AM PDT            3.64            499         0      Not Applicable
  04/14/2026 01 AM PDT            3.64            499         0      Not Applicable
  04/14/2026 02 AM PDT            3.65            503         +      Not Applicable
  04/14/2026 03 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 04 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 05 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 06 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 07 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 08 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 09 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 10 AM PDT            3.65            503         0      Not Applicable
  04/14/2026 11 AM PDT            3.64            499         -      Not Applicable
  04/14/2026 12 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 01 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 02 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 03 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 04 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 05 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 06 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 07 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 08 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 09 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 10 PM PDT            3.64            499         0      Not Applicable
  04/14/2026 11 PM PDT            3.64            499         0      Not Applicable
  04/15/2026 12 AM PDT            3.64            499         0      Not Applicable
  04/15/2026 01 AM PDT            3.65            503         +      Not Applicable
  04/15/2026 02 AM PDT            3.65            503         0      Not Applicable
  04/15/2026 03 AM PDT            3.65            503         0      Not Applicable
  04/15/2026 04 AM PDT            3.65            503         0      Not Applicable
  04/15/2026 05 AM PDT            3.64            499         -      Not Applicable
  04/15/2026 06 AM PDT            3.64            499         0      Not Applicable
  04/15/2026 07 AM PDT            3.64            499         0      Not Applicable
  04/15/2026 08 AM PDT            3.64            499         0      Not Applicable
  04/15/2026 09 AM PDT            3.63            496         -      Not Applicable
  04/15/2026 10 AM PDT            3.63            496         0      Not Applicable
  04/15/2026 11 AM PDT            3.62            492         -      Not Applicable
  04/15/2026 12 PM PDT            3.62            492         0      Not Applicable
  04/15/2026 01 PM PDT            3.62            492         0      Not Applicable
  04/15/2026 02 PM PDT            3.61            489         -      Not Applicable
  04/15/2026 03 PM PDT            3.60            485         -      Not Applicable
  04/15/2026 04 PM PDT            3.60            485         0      Not Applicable
  04/15/2026 05 PM PDT            3.60            485         0      Not Applicable
  04/15/2026 06 PM PDT            3.59            482         -      Not Applicable
  04/15/2026 07 PM PDT            3.59            482         0      Not Applicable
  04/15/2026 08 PM PDT            3.58            478         -      Not Applicable
  04/15/2026 09 PM PDT            3.58            478         0      Not Applicable
  04/15/2026 10 PM PDT            3.58            478         0      Not Applicable
  04/15/2026 11 PM PDT            3.57            475         -      Not Applicable
  04/16/2026 12 AM PDT            3.57            475         0      Not Applicable
  04/16/2026 01 AM PDT            3.57            475         0      Not Applicable
  04/16/2026 02 AM PDT            3.56            471         -      Not Applicable
  04/16/2026 03 AM PDT            3.56            471         0      Not Applicable
  04/16/2026 04 AM PDT            3.55            468         -      Not Applicable
  04/16/2026 05 AM PDT            3.55            468         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.