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

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SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)
Latitude: 39.21º NLongitude: 122.00º WElevation: 70 Feet
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Feb 06 2026 at 6:55 AM PSTNext Issuance: Feb 06 2026 at 3:00 PM PST
Action/Monitor: 63.0 FeetMinor Flood: 70.0 FeetModerate Flood: 72.0 FeetMajor Flood: 73.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Colusa Bridge (CLUC1)
#
# File Generation Time:  02/06/2026 at 06:55 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/06/2026 at 06:00 AM PST
# Maximum Observed Stage:                       48.78 Feet
# Maximum Observed Flow:                        13695 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/10/2026 at 08:00 PM PST
# Maximum Forecast Stage:                       49.74 Feet
# Maximum Forecast Flow:                        14890 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/01/2026 06 AM PST           48.16          12988                        Normal
  02/01/2026 07 AM PST           48.16          12988         0              Normal
  02/01/2026 08 AM PST           48.15          12977         -              Normal
  02/01/2026 09 AM PST           48.15          12977         0              Normal
  02/01/2026 10 AM PST           48.15          12977         0              Normal
  02/01/2026 11 AM PST           48.15          12977         0              Normal
  02/01/2026 12 PM PST           48.15          12977         0              Normal
  02/01/2026 01 PM PST           48.15          12977         0              Normal
  02/01/2026 02 PM PST           48.15          12977         0              Normal
  02/01/2026 03 PM PST           48.15          12977         0              Normal
  02/01/2026 04 PM PST           48.14          12967         -              Normal
  02/01/2026 05 PM PST           48.13          12956         -              Normal
  02/01/2026 06 PM PST           48.12          12946         -              Normal
  02/01/2026 07 PM PST           48.12          12946         0              Normal
  02/01/2026 08 PM PST           48.11          12935         -              Normal
  02/01/2026 09 PM PST           48.10          12925         -              Normal
  02/01/2026 10 PM PST           48.10          12925         0              Normal
  02/01/2026 11 PM PST           48.08          12904         -              Normal
  02/02/2026 12 AM PST           48.08          12904         0              Normal
  02/02/2026 01 AM PST           48.07          12893         -              Normal
  02/02/2026 02 AM PST           48.07          12893         0              Normal
  02/02/2026 03 AM PST           48.06          12883         -              Normal
  02/02/2026 04 AM PST           48.05          12872         -              Normal
  02/02/2026 05 AM PST           48.04          12862         -              Normal
  02/02/2026 06 AM PST           48.04          12862         0              Normal
  02/02/2026 07 AM PST           48.03          12851         -              Normal
  02/02/2026 08 AM PST           48.03          12851         0              Normal
  02/02/2026 09 AM PST           48.02          12841         -              Normal
  02/02/2026 10 AM PST           48.02          12841         0              Normal
  02/02/2026 11 AM PST           48.02          12841         0              Normal
  02/02/2026 12 PM PST           48.00          12820         -              Normal
  02/02/2026 01 PM PST           48.00          12820         0              Normal
  02/02/2026 02 PM PST           48.00          12820         0              Normal
  02/02/2026 03 PM PST           47.99          12809         -              Normal
  02/02/2026 04 PM PST           47.98          12798         -              Normal
  02/02/2026 05 PM PST           47.98          12798         0              Normal
  02/02/2026 06 PM PST           47.97          12787         -              Normal
  02/02/2026 07 PM PST           47.97          12787         0              Normal
  02/02/2026 08 PM PST           47.96          12776         -              Normal
  02/02/2026 09 PM PST           47.95          12765         -              Normal
  02/02/2026 10 PM PST           47.95          12765         0              Normal
  02/02/2026 11 PM PST           47.95          12765         0              Normal
  02/03/2026 12 AM PST           47.95          12765         0              Normal
  02/03/2026 01 AM PST           47.95          12765         0              Normal
  02/03/2026 02 AM PST           47.93          12743         -              Normal
  02/03/2026 03 AM PST           47.94          12754         +              Normal
  02/03/2026 04 AM PST           47.93          12743         -              Normal
  02/03/2026 05 AM PST           47.94          12754         +              Normal
  02/03/2026 06 AM PST           47.93          12743         -              Normal
  02/03/2026 07 AM PST           47.92          12732         -              Normal
  02/03/2026 08 AM PST           47.91          12721         -              Normal
  02/03/2026 09 AM PST           47.91          12721         0              Normal
  02/03/2026 10 AM PST           47.90          12711         -              Normal
  02/03/2026 11 AM PST           47.90          12711         0              Normal
  02/03/2026 12 PM PST           47.91          12721         +              Normal
  02/03/2026 01 PM PST           47.90          12711         -              Normal
  02/03/2026 02 PM PST           47.90          12711         0              Normal
  02/03/2026 03 PM PST           47.90          12711         0              Normal
  02/03/2026 04 PM PST           47.90          12711         0              Normal
  02/03/2026 05 PM PST           47.90          12711         0              Normal
  02/03/2026 06 PM PST           47.89          12700         -              Normal
  02/03/2026 07 PM PST           47.89          12700         0              Normal
  02/03/2026 08 PM PST           47.89          12700         0              Normal
  02/03/2026 09 PM PST           47.90          12711         +              Normal
  02/03/2026 10 PM PST           47.88          12689         -              Normal
  02/03/2026 11 PM PST           47.89          12700         +              Normal
  02/04/2026 12 AM PST           47.89          12700         0              Normal
  02/04/2026 01 AM PST           47.88          12689         -              Normal
  02/04/2026 02 AM PST           47.89          12700         +              Normal
  02/04/2026 03 AM PST           47.88          12689         -              Normal
  02/04/2026 04 AM PST           47.89          12700         +              Normal
  02/04/2026 05 AM PST           47.89          12700         0              Normal
  02/04/2026 06 AM PST           47.89          12700         0              Normal
  02/04/2026 07 AM PST           47.91          12721         +              Normal
  02/04/2026 08 AM PST           47.93          12743         +              Normal
  02/04/2026 09 AM PST           47.96          12776         +              Normal
  02/04/2026 10 AM PST           47.98          12798         +              Normal
  02/04/2026 11 AM PST           48.04          12862         +              Normal
  02/04/2026 12 PM PST           48.09          12914         +              Normal
  02/04/2026 01 PM PST           48.14          12967         +              Normal
  02/04/2026 02 PM PST           48.16          12988         +              Normal
  02/04/2026 03 PM PST           48.24          13072         +              Normal
  02/04/2026 04 PM PST           48.28          13115         +              Normal
  02/04/2026 05 PM PST           48.33          13168         +              Normal
  02/04/2026 06 PM PST           48.37          13211         +              Normal
  02/04/2026 07 PM PST           48.41          13253         +              Normal
  02/04/2026 08 PM PST           48.44          13286         +              Normal
  02/04/2026 09 PM PST           48.47          13318         +              Normal
  02/04/2026 10 PM PST           48.52          13374         +              Normal
  02/04/2026 11 PM PST           48.54          13399         +              Normal
  02/05/2026 12 AM PST           48.57          13435         +              Normal
  02/05/2026 01 AM PST           48.58          13448         +              Normal
  02/05/2026 02 AM PST           48.60          13472         +              Normal
  02/05/2026 03 AM PST           48.62          13497         +              Normal
  02/05/2026 04 AM PST           48.63          13509         +              Normal
  02/05/2026 05 AM PST           48.65          13534         +              Normal
  02/05/2026 06 AM PST           48.65          13534         0              Normal
  02/05/2026 07 AM PST           48.65          13534         0              Normal
  02/05/2026 08 AM PST           48.66          13546         +              Normal
  02/05/2026 09 AM PST           48.66          13546         0              Normal
  02/05/2026 10 AM PST           48.67          13558         +              Normal
  02/05/2026 11 AM PST           48.67          13558         0              Normal
  02/05/2026 12 PM PST           48.68          13571         +              Normal
  02/05/2026 01 PM PST           48.69          13583         +              Normal
  02/05/2026 02 PM PST           48.69          13583         0              Normal
  02/05/2026 03 PM PST           48.67          13558         -              Normal
  02/05/2026 04 PM PST           48.68          13571         +              Normal
  02/05/2026 05 PM PST           48.68          13571         0              Normal
  02/05/2026 06 PM PST           48.68          13571         0              Normal
  02/05/2026 07 PM PST           48.67          13558         -              Normal
  02/05/2026 08 PM PST           48.68          13571         +              Normal
  02/05/2026 09 PM PST           48.68          13571         0              Normal
  02/05/2026 10 PM PST           48.69          13583         +              Normal
  02/05/2026 11 PM PST           48.70          13595         +              Normal
  02/06/2026 12 AM PST           48.71          13608         +              Normal
  02/06/2026 01 AM PST           48.72          13620         +              Normal
  02/06/2026 02 AM PST           48.73          13632         +              Normal
  02/06/2026 03 AM PST           48.74          13645         +              Normal
  02/06/2026 04 AM PST           48.75          13657         +              Normal
  02/06/2026 05 AM PST           48.77          13682         +              Normal
  02/06/2026 06 AM PST           48.78          13695         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/06/2026 07 AM PST           48.79          13707                        Normal
  02/06/2026 08 AM PST           48.79          13707         0              Normal
  02/06/2026 09 AM PST           48.80          13719         +              Normal
  02/06/2026 10 AM PST           48.80          13719         0              Normal
  02/06/2026 11 AM PST           48.81          13732         +              Normal
  02/06/2026 12 PM PST           48.81          13732         0              Normal
  02/06/2026 01 PM PST           48.81          13732         0              Normal
  02/06/2026 02 PM PST           48.81          13732         0              Normal
  02/06/2026 03 PM PST           48.81          13732         0              Normal
  02/06/2026 04 PM PST           48.80          13719         -              Normal
  02/06/2026 05 PM PST           48.80          13719         0              Normal
  02/06/2026 06 PM PST           48.80          13719         0              Normal
  02/06/2026 07 PM PST           48.79          13707         -              Normal
  02/06/2026 08 PM PST           48.79          13707         0              Normal
  02/06/2026 09 PM PST           48.78          13695         -              Normal
  02/06/2026 10 PM PST           48.78          13695         0              Normal
  02/06/2026 11 PM PST           48.77          13682         -              Normal
  02/07/2026 12 AM PST           48.77          13682         0              Normal
  02/07/2026 01 AM PST           48.77          13682         0              Normal
  02/07/2026 02 AM PST           48.76          13670         -              Normal
  02/07/2026 03 AM PST           48.76          13670         0              Normal
  02/07/2026 04 AM PST           48.75          13657         -              Normal
  02/07/2026 05 AM PST           48.75          13657         0              Normal
  02/07/2026 06 AM PST           48.74          13645         -              Normal
  02/07/2026 07 AM PST           48.74          13645         0              Normal
  02/07/2026 08 AM PST           48.74          13645         0              Normal
  02/07/2026 09 AM PST           48.73          13632         -              Normal
  02/07/2026 10 AM PST           48.73          13632         0              Normal
  02/07/2026 11 AM PST           48.73          13632         0              Normal
  02/07/2026 12 PM PST           48.73          13632         0              Normal
  02/07/2026 01 PM PST           48.73          13632         0              Normal
  02/07/2026 02 PM PST           48.72          13620         -              Normal
  02/07/2026 03 PM PST           48.72          13620         0              Normal
  02/07/2026 04 PM PST           48.72          13620         0              Normal
  02/07/2026 05 PM PST           48.72          13620         0              Normal
  02/07/2026 06 PM PST           48.72          13620         0              Normal
  02/07/2026 07 PM PST           48.71          13608         -              Normal
  02/07/2026 08 PM PST           48.71          13608         0              Normal
  02/07/2026 09 PM PST           48.71          13608         0              Normal
  02/07/2026 10 PM PST           48.71          13608         0              Normal
  02/07/2026 11 PM PST           48.71          13608         0              Normal
  02/08/2026 12 AM PST           48.71          13608         0              Normal
  02/08/2026 01 AM PST           48.70          13595         -              Normal
  02/08/2026 02 AM PST           48.70          13595         0              Normal
  02/08/2026 03 AM PST           48.70          13595         0              Normal
  02/08/2026 04 AM PST           48.71          13608         +              Normal
  02/08/2026 05 AM PST           48.71          13608         0              Normal
  02/08/2026 06 AM PST           48.72          13620         +              Normal
  02/08/2026 07 AM PST           48.73          13632         +              Normal
  02/08/2026 08 AM PST           48.74          13645         +              Normal
  02/08/2026 09 AM PST           48.77          13682         +              Normal
  02/08/2026 10 AM PST           48.79          13707         +              Normal
  02/08/2026 11 AM PST           48.81          13732         +              Normal
  02/08/2026 12 PM PST           48.84          13769         +              Normal
  02/08/2026 01 PM PST           48.88          13819         +              Normal
  02/08/2026 02 PM PST           48.91          13857         +              Normal
  02/08/2026 03 PM PST           48.94          13894         +              Normal
  02/08/2026 04 PM PST           48.97          13932         +              Normal
  02/08/2026 05 PM PST           49.00          13970         +              Normal
  02/08/2026 06 PM PST           49.03          14007         +              Normal
  02/08/2026 07 PM PST           49.06          14043         +              Normal
  02/08/2026 08 PM PST           49.09          14080         +              Normal
  02/08/2026 09 PM PST           49.12          14117         +              Normal
  02/08/2026 10 PM PST           49.15          14154         +              Normal
  02/08/2026 11 PM PST           49.17          14178         +              Normal
  02/09/2026 12 AM PST           49.19          14203         +              Normal
  02/09/2026 01 AM PST           49.22          14240         +              Normal
  02/09/2026 02 AM PST           49.24          14265         +              Normal
  02/09/2026 03 AM PST           49.26          14290         +              Normal
  02/09/2026 04 AM PST           49.27          14302         +              Normal
  02/09/2026 05 AM PST           49.29          14327         +              Normal
  02/09/2026 06 AM PST           49.31          14352         +              Normal
  02/09/2026 07 AM PST           49.32          14364         +              Normal
  02/09/2026 08 AM PST           49.33          14377         +              Normal
  02/09/2026 09 AM PST           49.35          14402         +              Normal
  02/09/2026 10 AM PST           49.36          14414         +              Normal
  02/09/2026 11 AM PST           49.37          14427         +              Normal
  02/09/2026 12 PM PST           49.38          14439         +              Normal
  02/09/2026 01 PM PST           49.39          14452         +              Normal
  02/09/2026 02 PM PST           49.40          14464         +              Normal
  02/09/2026 03 PM PST           49.41          14477         +              Normal
  02/09/2026 04 PM PST           49.42          14489         +              Normal
  02/09/2026 05 PM PST           49.43          14502         +              Normal
  02/09/2026 06 PM PST           49.44          14515         +              Normal
  02/09/2026 07 PM PST           49.45          14527         +              Normal
  02/09/2026 08 PM PST           49.45          14527         0              Normal
  02/09/2026 09 PM PST           49.47          14552         +              Normal
  02/09/2026 10 PM PST           49.48          14565         +              Normal
  02/09/2026 11 PM PST           49.49          14577         +              Normal
  02/10/2026 12 AM PST           49.50          14590         +              Normal
  02/10/2026 01 AM PST           49.51          14602         +              Normal
  02/10/2026 02 AM PST           49.53          14627         +              Normal
  02/10/2026 03 AM PST           49.54          14640         +              Normal
  02/10/2026 04 AM PST           49.55          14652         +              Normal
  02/10/2026 05 AM PST           49.57          14677         +              Normal
  02/10/2026 06 AM PST           49.59          14702         +              Normal
  02/10/2026 07 AM PST           49.60          14714         +              Normal
  02/10/2026 08 AM PST           49.62          14739         +              Normal
  02/10/2026 09 AM PST           49.63          14752         +              Normal
  02/10/2026 10 AM PST           49.65          14777         +              Normal
  02/10/2026 11 AM PST           49.66          14789         +              Normal
  02/10/2026 12 PM PST           49.68          14814         +              Normal
  02/10/2026 01 PM PST           49.69          14827         +              Normal
  02/10/2026 02 PM PST           49.70          14840         +              Normal
  02/10/2026 03 PM PST           49.71          14852         +              Normal
  02/10/2026 04 PM PST           49.72          14865         +              Normal
  02/10/2026 05 PM PST           49.73          14877         +              Normal
  02/10/2026 06 PM PST           49.73          14877         0              Normal
  02/10/2026 07 PM PST           49.73          14877         0              Normal
  02/10/2026 08 PM PST           49.74          14890         +              Normal
  02/10/2026 09 PM PST           49.74          14890         0              Normal
  02/10/2026 10 PM PST           49.74          14890         0              Normal
  02/10/2026 11 PM PST           49.74          14890         0              Normal
  02/11/2026 12 AM PST           49.73          14877         -              Normal
  02/11/2026 01 AM PST           49.73          14877         0              Normal
  02/11/2026 02 AM PST           49.73          14877         0              Normal
  02/11/2026 03 AM PST           49.73          14877         0              Normal
  02/11/2026 04 AM PST           49.73          14877         0              Normal
#
# 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.