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: Jan 08 2026 at 1:36 PM PSTNext Issuance: Jan 09 2026 at 9:00 AM 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:  01/08/2026 at 01:37 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/07/2026 at 10:00 PM PST
# Maximum Observed Stage:                       66.77 Feet
# Maximum Observed Flow:                        46477 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/08/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       65.73 Feet
# Maximum Forecast Flow:                        43416 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/03/2026 01 PM PST           62.25          35487                        Normal
  01/03/2026 02 PM PST           62.33          35660         +              Normal
  01/03/2026 03 PM PST           62.43          35877         +              Normal
  01/03/2026 04 PM PST           62.51          36051         +              Normal
  01/03/2026 05 PM PST           62.58          36197         +              Normal
  01/03/2026 06 PM PST           62.71          36468         +              Normal
  01/03/2026 07 PM PST           62.82          36699         +              Normal
  01/03/2026 08 PM PST           62.93          36932         +              Normal
  01/03/2026 09 PM PST           63.04          37163         +      Action/Monitor
  01/03/2026 10 PM PST           63.17          37435         +      Action/Monitor
  01/03/2026 11 PM PST           63.30          37707         +      Action/Monitor
  01/04/2026 12 AM PST           63.42          37961         +      Action/Monitor
  01/04/2026 01 AM PST           63.57          38279         +      Action/Monitor
  01/04/2026 02 AM PST           63.71          38577         +      Action/Monitor
  01/04/2026 03 AM PST           63.83          38834         +      Action/Monitor
  01/04/2026 04 AM PST           63.96          39114         +      Action/Monitor
  01/04/2026 05 AM PST           64.07          39365         +      Action/Monitor
  01/04/2026 06 AM PST           64.18          39625         +      Action/Monitor
  01/04/2026 07 AM PST           64.27          39839         +      Action/Monitor
  01/04/2026 08 AM PST           64.36          40054         +      Action/Monitor
  01/04/2026 09 AM PST           64.46          40294         +      Action/Monitor
  01/04/2026 10 AM PST           64.56          40534         +      Action/Monitor
  01/04/2026 11 AM PST           64.66          40774         +      Action/Monitor
  01/04/2026 12 PM PST           64.74          40968         +      Action/Monitor
  01/04/2026 01 PM PST           64.82          41161         +      Action/Monitor
  01/04/2026 02 PM PST           64.89          41332         +      Action/Monitor
  01/04/2026 03 PM PST           64.95          41478         +      Action/Monitor
  01/04/2026 04 PM PST           65.01          41625         +      Action/Monitor
  01/04/2026 05 PM PST           65.05          41723         +      Action/Monitor
  01/04/2026 06 PM PST           65.14          41944         +      Action/Monitor
  01/04/2026 07 PM PST           65.14          41944         0      Action/Monitor
  01/04/2026 08 PM PST           65.20          42093         +      Action/Monitor
  01/04/2026 09 PM PST           65.24          42192         +      Action/Monitor
  01/04/2026 10 PM PST           65.26          42241         +      Action/Monitor
  01/04/2026 11 PM PST           65.29          42316         +      Action/Monitor
  01/05/2026 12 AM PST           65.29          42316         0      Action/Monitor
  01/05/2026 01 AM PST           65.32          42390         +      Action/Monitor
  01/05/2026 02 AM PST           65.32          42390         0      Action/Monitor
  01/05/2026 03 AM PST           65.33          42415         +      Action/Monitor
  01/05/2026 04 AM PST           65.33          42415         0      Action/Monitor
  01/05/2026 05 AM PST           65.33          42415         0      Action/Monitor
  01/05/2026 06 AM PST           65.33          42415         0      Action/Monitor
  01/05/2026 07 AM PST           65.32          42390         -      Action/Monitor
  01/05/2026 08 AM PST           65.31          42366         -      Action/Monitor
  01/05/2026 09 AM PST           65.29          42316         -      Action/Monitor
  01/05/2026 10 AM PST           65.27          42266         -      Action/Monitor
  01/05/2026 11 AM PST           65.27          42266         0      Action/Monitor
  01/05/2026 12 PM PST           65.24          42192         -      Action/Monitor
  01/05/2026 01 PM PST           65.22          42142         -      Action/Monitor
  01/05/2026 02 PM PST           65.21          42118         -      Action/Monitor
  01/05/2026 03 PM PST           65.21          42118         0      Action/Monitor
  01/05/2026 04 PM PST           65.20          42093         -      Action/Monitor
  01/05/2026 05 PM PST           65.18          42043         -      Action/Monitor
  01/05/2026 06 PM PST           65.16          41994         -      Action/Monitor
  01/05/2026 07 PM PST           65.15          41969         -      Action/Monitor
  01/05/2026 08 PM PST           65.14          41944         -      Action/Monitor
  01/05/2026 09 PM PST           65.11          41870         -      Action/Monitor
  01/05/2026 10 PM PST           65.09          41821         -      Action/Monitor
  01/05/2026 11 PM PST           65.07          41772         -      Action/Monitor
  01/06/2026 12 AM PST           65.06          41747         -      Action/Monitor
  01/06/2026 01 AM PST           65.02          41649         -      Action/Monitor
  01/06/2026 02 AM PST           65.04          41698         +      Action/Monitor
  01/06/2026 03 AM PST           65.02          41649         -      Action/Monitor
  01/06/2026 04 AM PST           65.01          41625         -      Action/Monitor
  01/06/2026 05 AM PST           65.02          41649         +      Action/Monitor
  01/06/2026 06 AM PST           65.01          41625         -      Action/Monitor
  01/06/2026 07 AM PST           65.04          41698         +      Action/Monitor
  01/06/2026 08 AM PST           65.09          41821         +      Action/Monitor
  01/06/2026 09 AM PST           65.09          41821         0      Action/Monitor
  01/06/2026 10 AM PST           65.14          41944         +      Action/Monitor
  01/06/2026 11 AM PST           65.18          42043         +      Action/Monitor
  01/06/2026 12 PM PST           65.25          42217         +      Action/Monitor
  01/06/2026 01 PM PST           65.31          42366         +      Action/Monitor
  01/06/2026 02 PM PST           65.36          42490         +      Action/Monitor
  01/06/2026 03 PM PST           65.43          42665         +      Action/Monitor
  01/06/2026 04 PM PST           65.49          42815         +      Action/Monitor
  01/06/2026 05 PM PST           65.56          42990         +      Action/Monitor
  01/06/2026 06 PM PST           65.60          43090         +      Action/Monitor
  01/06/2026 07 PM PST           65.67          43265         +      Action/Monitor
  01/06/2026 08 PM PST           65.73          43416         +      Action/Monitor
  01/06/2026 09 PM PST           65.80          43593         +      Action/Monitor
  01/06/2026 10 PM PST           65.86          43744         +      Action/Monitor
  01/06/2026 11 PM PST           65.93          43922         +      Action/Monitor
  01/07/2026 12 AM PST           65.99          44075         +      Action/Monitor
  01/07/2026 01 AM PST           66.06          44283         +      Action/Monitor
  01/07/2026 02 AM PST           66.12          44466         +      Action/Monitor
  01/07/2026 03 AM PST           66.17          44619         +      Action/Monitor
  01/07/2026 04 AM PST           66.23          44803         +      Action/Monitor
  01/07/2026 05 AM PST           66.29          44988         +      Action/Monitor
  01/07/2026 06 AM PST           66.36          45205         +      Action/Monitor
  01/07/2026 07 AM PST           66.41          45360         +      Action/Monitor
  01/07/2026 08 AM PST           66.44          45453         +      Action/Monitor
  01/07/2026 09 AM PST           66.49          45609         +      Action/Monitor
  01/07/2026 10 AM PST           66.55          45794         +      Action/Monitor
  01/07/2026 11 AM PST           66.58          45887         +      Action/Monitor
  01/07/2026 12 PM PST           66.63          46042         +      Action/Monitor
  01/07/2026 01 PM PST           66.65          46104         +      Action/Monitor
  01/07/2026 02 PM PST           66.67          46166         +      Action/Monitor
  01/07/2026 03 PM PST           66.72          46321         +      Action/Monitor
  01/07/2026 04 PM PST           66.74          46384         +      Action/Monitor
  01/07/2026 05 PM PST           66.76          46446         +      Action/Monitor
  01/07/2026 06 PM PST           66.77          46477         +      Action/Monitor
  01/07/2026 07 PM PST           66.77          46477         0      Action/Monitor
  01/07/2026 08 PM PST           66.77          46477         0      Action/Monitor
  01/07/2026 09 PM PST           66.77          46477         0      Action/Monitor
  01/07/2026 10 PM PST           66.77          46477         0      Action/Monitor
  01/07/2026 11 PM PST           66.75          46415         -      Action/Monitor
  01/08/2026 12 AM PST           66.71          46290         -      Action/Monitor
  01/08/2026 01 AM PST           66.69          46228         -      Action/Monitor
  01/08/2026 02 AM PST           66.67          46166         -      Action/Monitor
  01/08/2026 03 AM PST           66.63          46042         -      Action/Monitor
  01/08/2026 04 AM PST           66.57          45856         -      Action/Monitor
  01/08/2026 05 AM PST           66.51          45671         -      Action/Monitor
  01/08/2026 06 AM PST           66.42          45391         -      Action/Monitor
  01/08/2026 07 AM PST           66.34          45143         -      Action/Monitor
  01/08/2026 08 AM PST           66.29          44988         -      Action/Monitor
  01/08/2026 09 AM PST           66.18          44650         -      Action/Monitor
  01/08/2026 10 AM PST           66.09          44374         -      Action/Monitor
  01/08/2026 11 AM PST           66.00          44100         -      Action/Monitor
  01/08/2026 12 PM PST           65.91          43871         -      Action/Monitor
  01/08/2026 01 PM PST           65.82          43643         -      Action/Monitor
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/08/2026 02 PM PST           65.73          43416                Action/Monitor
  01/08/2026 03 PM PST           65.64          43190         -      Action/Monitor
  01/08/2026 04 PM PST           65.54          42940         -      Action/Monitor
  01/08/2026 05 PM PST           65.45          42715         -      Action/Monitor
  01/08/2026 06 PM PST           65.35          42465         -      Action/Monitor
  01/08/2026 07 PM PST           65.26          42241         -      Action/Monitor
  01/08/2026 08 PM PST           65.17          42019         -      Action/Monitor
  01/08/2026 09 PM PST           65.09          41821         -      Action/Monitor
  01/08/2026 10 PM PST           65.00          41600         -      Action/Monitor
  01/08/2026 11 PM PST           64.92          41405         -      Action/Monitor
  01/09/2026 12 AM PST           64.84          41210         -      Action/Monitor
  01/09/2026 01 AM PST           64.76          41016         -      Action/Monitor
  01/09/2026 02 AM PST           64.69          40847         -      Action/Monitor
  01/09/2026 03 AM PST           64.59          40606         -      Action/Monitor
  01/09/2026 04 AM PST           64.48          40342         -      Action/Monitor
  01/09/2026 05 AM PST           64.39          40126         -      Action/Monitor
  01/09/2026 06 AM PST           64.29          39887         -      Action/Monitor
  01/09/2026 07 AM PST           64.19          39649         -      Action/Monitor
  01/09/2026 08 AM PST           64.10          39436         -      Action/Monitor
  01/09/2026 09 AM PST           64.00          39200         -      Action/Monitor
  01/09/2026 10 AM PST           63.91          39006         -      Action/Monitor
  01/09/2026 11 AM PST           63.81          38791         -      Action/Monitor
  01/09/2026 12 PM PST           63.72          38598         -      Action/Monitor
  01/09/2026 01 PM PST           63.62          38385         -      Action/Monitor
  01/09/2026 02 PM PST           63.53          38194         -      Action/Monitor
  01/09/2026 03 PM PST           63.45          38024         -      Action/Monitor
  01/09/2026 04 PM PST           63.36          37834         -      Action/Monitor
  01/09/2026 05 PM PST           63.28          37665         -      Action/Monitor
  01/09/2026 06 PM PST           63.20          37497         -      Action/Monitor
  01/09/2026 07 PM PST           63.12          37330         -      Action/Monitor
  01/09/2026 08 PM PST           62.99          37059         -              Normal
  01/09/2026 09 PM PST           62.86          36784         -              Normal
  01/09/2026 10 PM PST           62.74          36531         -              Normal
  01/09/2026 11 PM PST           62.63          36301         -              Normal
  01/10/2026 12 AM PST           62.52          36072         -              Normal
  01/10/2026 01 AM PST           62.42          35856         -              Normal
  01/10/2026 02 AM PST           62.32          35638         -              Normal
  01/10/2026 03 AM PST           62.22          35422         -              Normal
  01/10/2026 04 AM PST           62.13          35228         -              Normal
  01/10/2026 05 AM PST           62.04          35036         -              Normal
  01/10/2026 06 AM PST           61.95          34843         -              Normal
  01/10/2026 07 AM PST           61.87          34672         -              Normal
  01/10/2026 08 AM PST           61.79          34502         -              Normal
  01/10/2026 09 AM PST           61.71          34332         -              Normal
  01/10/2026 10 AM PST           61.63          34163         -              Normal
  01/10/2026 11 AM PST           61.55          33995         -              Normal
  01/10/2026 12 PM PST           61.49          33869         -              Normal
  01/10/2026 01 PM PST           61.43          33742         -              Normal
  01/10/2026 02 PM PST           61.37          33615         -              Normal
  01/10/2026 03 PM PST           61.31          33488         -              Normal
  01/10/2026 04 PM PST           61.25          33362         -              Normal
  01/10/2026 05 PM PST           61.20          33257         -              Normal
  01/10/2026 06 PM PST           61.15          33152         -              Normal
  01/10/2026 07 PM PST           61.09          33027         -              Normal
  01/10/2026 08 PM PST           61.04          32923         -              Normal
  01/10/2026 09 PM PST           60.99          32819         -              Normal
  01/10/2026 10 PM PST           60.95          32735         -              Normal
  01/10/2026 11 PM PST           60.90          32630         -              Normal
  01/11/2026 12 AM PST           60.86          32546         -              Normal
  01/11/2026 01 AM PST           60.81          32442         -              Normal
  01/11/2026 02 AM PST           60.77          32359         -              Normal
  01/11/2026 03 AM PST           60.73          32275         -              Normal
  01/11/2026 04 AM PST           60.69          32192         -              Normal
  01/11/2026 05 AM PST           60.65          32109         -              Normal
  01/11/2026 06 AM PST           60.61          32027         -              Normal
  01/11/2026 07 AM PST           60.57          31944         -              Normal
  01/11/2026 08 AM PST           60.53          31862         -              Normal
  01/11/2026 09 AM PST           60.50          31800         -              Normal
  01/11/2026 10 AM PST           60.46          31724         -              Normal
  01/11/2026 11 AM PST           60.42          31648         -              Normal
  01/11/2026 12 PM PST           60.38          31573         -              Normal
  01/11/2026 01 PM PST           60.34          31497         -              Normal
  01/11/2026 02 PM PST           60.29          31403         -              Normal
  01/11/2026 03 PM PST           60.25          31327         -              Normal
  01/11/2026 04 PM PST           60.21          31252         -              Normal
  01/11/2026 05 PM PST           60.16          31159         -              Normal
  01/11/2026 06 PM PST           60.12          31084         -              Normal
  01/11/2026 07 PM PST           60.09          31028         -              Normal
  01/11/2026 08 PM PST           60.05          30953         -              Normal
  01/11/2026 09 PM PST           60.01          30879         -              Normal
  01/11/2026 10 PM PST           59.97          30804         -              Normal
  01/11/2026 11 PM PST           59.93          30729         -              Normal
  01/12/2026 12 AM PST           59.90          30672         -              Normal
  01/12/2026 01 AM PST           59.86          30598         -              Normal
  01/12/2026 02 AM PST           59.82          30523         -              Normal
  01/12/2026 03 AM PST           59.77          30430         -              Normal
  01/12/2026 04 AM PST           59.73          30355         -              Normal
  01/12/2026 05 AM PST           59.68          30262         -              Normal
  01/12/2026 06 AM PST           59.64          30188         -              Normal
  01/12/2026 07 AM PST           59.60          30114         -              Normal
  01/12/2026 08 AM PST           59.56          30041         -              Normal
  01/12/2026 09 AM PST           59.52          29967         -              Normal
  01/12/2026 10 AM PST           59.48          29893         -              Normal
  01/12/2026 11 AM PST           59.44          29818         -              Normal
  01/12/2026 12 PM PST           59.40          29744         -              Normal
  01/12/2026 01 PM PST           59.36          29670         -              Normal
  01/12/2026 02 PM PST           59.32          29596         -              Normal
  01/12/2026 03 PM PST           59.29          29541         -              Normal
  01/12/2026 04 PM PST           59.25          29467         -              Normal
  01/12/2026 05 PM PST           59.22          29412         -              Normal
  01/12/2026 06 PM PST           59.18          29339         -              Normal
  01/12/2026 07 PM PST           59.15          29284         -              Normal
  01/12/2026 08 PM PST           59.12          29229         -              Normal
  01/12/2026 09 PM PST           59.08          29156         -              Normal
  01/12/2026 10 PM PST           59.05          29101         -              Normal
  01/12/2026 11 PM PST           59.02          29046         -              Normal
  01/13/2026 12 AM PST           58.99          28992         -              Normal
  01/13/2026 01 AM PST           58.96          28936         -              Normal
  01/13/2026 02 AM PST           58.93          28881         -              Normal
  01/13/2026 03 AM PST           58.90          28826         -              Normal
  01/13/2026 04 AM PST           58.88          28790         -              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.