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 FeetForecast Type: Official Location
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Apr 24 2026 at 7:10 AM PDTNext Issuance: Apr 25 2026 at 9:00 AM PDT
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:  04/24/2026 at 07:10 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/23/2026 at 01:00 AM PDT
# Maximum Observed Stage:                       49.50 Feet
# Maximum Observed Flow:                        14590 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/24/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       47.80 Feet
# Maximum Forecast Flow:                        12602 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/19/2026 07 AM PDT           43.96           8179                        Normal
  04/19/2026 08 AM PDT           43.96           8179         0              Normal
  04/19/2026 09 AM PDT           43.92           8130         -              Normal
  04/19/2026 10 AM PDT           43.91           8117         -              Normal
  04/19/2026 11 AM PDT           43.88           8080         -              Normal
  04/19/2026 12 PM PDT           43.88           8080         0              Normal
  04/19/2026 01 PM PDT           43.87           8068         -              Normal
  04/19/2026 02 PM PDT           43.81           7995         -              Normal
  04/19/2026 03 PM PDT           43.83           8019         +              Normal
  04/19/2026 04 PM PDT           43.80           7983         -              Normal
  04/19/2026 05 PM PDT           43.78           7958         -              Normal
  04/19/2026 06 PM PDT           43.76           7934         -              Normal
  04/19/2026 07 PM PDT           43.77           7946         +              Normal
  04/19/2026 08 PM PDT           43.77           7946         0              Normal
  04/19/2026 09 PM PDT           43.77           7946         0              Normal
  04/19/2026 10 PM PDT           43.76           7934         -              Normal
  04/19/2026 11 PM PDT           43.76           7934         0              Normal
  04/20/2026 12 AM PDT           43.75           7922         -              Normal
  04/20/2026 01 AM PDT           43.76           7934         +              Normal
  04/20/2026 02 AM PDT           43.75           7922         -              Normal
  04/20/2026 03 AM PDT           43.74           7910         -              Normal
  04/20/2026 04 AM PDT           43.73           7898         -              Normal
  04/20/2026 05 AM PDT           43.73           7898         0              Normal
  04/20/2026 06 AM PDT           43.72           7886         -              Normal
  04/20/2026 07 AM PDT           43.72           7886         0              Normal
  04/20/2026 08 AM PDT           43.69           7850         -              Normal
  04/20/2026 09 AM PDT           43.70           7862         +              Normal
  04/20/2026 10 AM PDT           43.68           7838         -              Normal
  04/20/2026 11 AM PDT           43.69           7850         +              Normal
  04/20/2026 12 PM PDT           43.67           7826         -              Normal
  04/20/2026 01 PM PDT           43.65           7802         -              Normal
  04/20/2026 02 PM PDT           43.63           7778         -              Normal
  04/20/2026 03 PM PDT           43.62           7766         -              Normal
  04/20/2026 04 PM PDT           43.61           7755         -              Normal
  04/20/2026 05 PM PDT           43.59           7731         -              Normal
  04/20/2026 06 PM PDT           43.58           7719         -              Normal
  04/20/2026 07 PM PDT           43.57           7707         -              Normal
  04/20/2026 08 PM PDT           43.54           7672         -              Normal
  04/20/2026 09 PM PDT           43.53           7660         -              Normal
  04/20/2026 10 PM PDT           43.52           7648         -              Normal
  04/20/2026 11 PM PDT           43.54           7672         +              Normal
  04/21/2026 12 AM PDT           43.54           7672         0              Normal
  04/21/2026 01 AM PDT           43.55           7684         +              Normal
  04/21/2026 02 AM PDT           43.56           7695         +              Normal
  04/21/2026 03 AM PDT           43.57           7707         +              Normal
  04/21/2026 04 AM PDT           43.57           7707         0              Normal
  04/21/2026 05 AM PDT           43.59           7731         +              Normal
  04/21/2026 06 AM PDT           43.58           7719         -              Normal
  04/21/2026 07 AM PDT           43.57           7707         -              Normal
  04/21/2026 08 AM PDT           43.56           7695         -              Normal
  04/21/2026 09 AM PDT           43.54           7672         -              Normal
  04/21/2026 10 AM PDT           43.53           7660         -              Normal
  04/21/2026 11 AM PDT           43.51           7637         -              Normal
  04/21/2026 12 PM PDT           43.49           7611         -              Normal
  04/21/2026 01 PM PDT           43.51           7637         +              Normal
  04/21/2026 02 PM PDT           43.52           7648         +              Normal
  04/21/2026 03 PM PDT           43.52           7648         0              Normal
  04/21/2026 04 PM PDT           43.53           7660         +              Normal
  04/21/2026 05 PM PDT           43.54           7672         +              Normal
  04/21/2026 06 PM PDT           43.55           7684         +              Normal
  04/21/2026 07 PM PDT           43.57           7707         +              Normal
  04/21/2026 08 PM PDT           43.61           7755         +              Normal
  04/21/2026 09 PM PDT           43.67           7826         +              Normal
  04/21/2026 10 PM PDT           43.74           7910         +              Normal
  04/21/2026 11 PM PDT           43.84           8031         +              Normal
  04/22/2026 12 AM PDT           43.94           8154         +              Normal
  04/22/2026 01 AM PDT           44.08           8322         +              Normal
  04/22/2026 02 AM PDT           44.25           8523         +              Normal
  04/22/2026 03 AM PDT           44.45           8765         +              Normal
  04/22/2026 04 AM PDT           44.66           9014         +              Normal
  04/22/2026 05 AM PDT           44.88           9278         +              Normal
  04/22/2026 06 AM PDT           45.09           9535         +              Normal
  04/22/2026 07 AM PDT           45.29           9783         +              Normal
  04/22/2026 08 AM PDT           45.48          10023         +              Normal
  04/22/2026 09 AM PDT           45.68          10279         +              Normal
  04/22/2026 10 AM PDT           45.85          10501         +              Normal
  04/22/2026 11 AM PDT           46.08          10782         +              Normal
  04/22/2026 12 PM PDT           46.31          11020         +              Normal
  04/22/2026 01 PM PDT           46.60          11325         +              Normal
  04/22/2026 02 PM PDT           46.91          11653         +              Normal
  04/22/2026 03 PM PDT           47.31          12077         +              Normal
  04/22/2026 04 PM PDT           47.70          12494         +              Normal
  04/22/2026 05 PM PDT           48.11          12935         +              Normal
  04/22/2026 06 PM PDT           48.42          13264         +              Normal
  04/22/2026 07 PM PDT           48.75          13657         +              Normal
  04/22/2026 08 PM PDT           49.01          13982         +              Normal
  04/22/2026 09 PM PDT           49.22          14240         +              Normal
  04/22/2026 10 PM PDT           49.34          14389         +              Normal
  04/22/2026 11 PM PDT           49.43          14502         +              Normal
  04/23/2026 12 AM PDT           49.48          14565         +              Normal
  04/23/2026 01 AM PDT           49.50          14590         +              Normal
  04/23/2026 02 AM PDT           49.47          14552         -              Normal
  04/23/2026 03 AM PDT           49.46          14540         -              Normal
  04/23/2026 04 AM PDT           49.42          14489         -              Normal
  04/23/2026 05 AM PDT           49.36          14414         -              Normal
  04/23/2026 06 AM PDT           49.32          14364         -              Normal
  04/23/2026 07 AM PDT           49.24          14265         -              Normal
  04/23/2026 08 AM PDT           49.23          14253         -              Normal
  04/23/2026 09 AM PDT           49.16          14166         -              Normal
  04/23/2026 10 AM PDT           49.13          14129         -              Normal
  04/23/2026 11 AM PDT           49.12          14117         -              Normal
  04/23/2026 12 PM PDT           49.09          14080         -              Normal
  04/23/2026 01 PM PDT           49.03          14007         -              Normal
  04/23/2026 02 PM PDT           49.02          13994         -              Normal
  04/23/2026 03 PM PDT           49.01          13982         -              Normal
  04/23/2026 04 PM PDT           49.00          13970         -              Normal
  04/23/2026 05 PM PDT           48.95          13907         -              Normal
  04/23/2026 06 PM PDT           48.93          13882         -              Normal
  04/23/2026 07 PM PDT           48.90          13844         -              Normal
  04/23/2026 08 PM PDT           48.84          13769         -              Normal
  04/23/2026 09 PM PDT           48.80          13719         -              Normal
  04/23/2026 10 PM PDT           48.72          13620         -              Normal
  04/23/2026 11 PM PDT           48.64          13521         -              Normal
  04/24/2026 12 AM PDT           48.56          13423         -              Normal
  04/24/2026 01 AM PDT           48.46          13307         -              Normal
  04/24/2026 02 AM PDT           48.36          13200         -              Normal
  04/24/2026 03 AM PDT           48.25          13083         -              Normal
  04/24/2026 04 AM PDT           48.14          12967         -              Normal
  04/24/2026 05 AM PDT           48.02          12841         -              Normal
  04/24/2026 06 AM PDT           47.91          12721         -              Normal
  04/24/2026 07 AM PDT           47.80          12602         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/24/2026 08 AM PDT           47.80          12602                        Normal
  04/24/2026 09 AM PDT           47.69          12483         -              Normal
  04/24/2026 10 AM PDT           47.58          12365         -              Normal
  04/24/2026 11 AM PDT           47.48          12258         -              Normal
  04/24/2026 12 PM PDT           47.37          12140         -              Normal
  04/24/2026 01 PM PDT           47.27          12034         -              Normal
  04/24/2026 02 PM PDT           47.18          11939         -              Normal
  04/24/2026 03 PM PDT           47.10          11855         -              Normal
  04/24/2026 04 PM PDT           47.02          11771         -              Normal
  04/24/2026 05 PM PDT           46.95          11696         -              Normal
  04/24/2026 06 PM PDT           46.89          11632         -              Normal
  04/24/2026 07 PM PDT           46.83          11568         -              Normal
  04/24/2026 08 PM PDT           46.78          11514         -              Normal
  04/24/2026 09 PM PDT           46.73          11461         -              Normal
  04/24/2026 10 PM PDT           46.69          11419         -              Normal
  04/24/2026 11 PM PDT           46.65          11377         -              Normal
  04/25/2026 12 AM PDT           46.61          11335         -              Normal
  04/25/2026 01 AM PDT           46.58          11304         -              Normal
  04/25/2026 02 AM PDT           46.55          11272         -              Normal
  04/25/2026 03 AM PDT           46.53          11251         -              Normal
  04/25/2026 04 AM PDT           46.51          11230         -              Normal
  04/25/2026 05 AM PDT           46.49          11209         -              Normal
  04/25/2026 06 AM PDT           46.48          11199         -              Normal
  04/25/2026 07 AM PDT           46.47          11188         -              Normal
  04/25/2026 08 AM PDT           46.46          11178         -              Normal
  04/25/2026 09 AM PDT           46.46          11178         0              Normal
  04/25/2026 10 AM PDT           46.45          11167         -              Normal
  04/25/2026 11 AM PDT           46.45          11167         0              Normal
  04/25/2026 12 PM PDT           46.45          11167         0              Normal
  04/25/2026 01 PM PDT           46.45          11167         0              Normal
  04/25/2026 02 PM PDT           46.44          11157         -              Normal
  04/25/2026 03 PM PDT           46.44          11157         0              Normal
  04/25/2026 04 PM PDT           46.44          11157         0              Normal
  04/25/2026 05 PM PDT           46.43          11146         -              Normal
  04/25/2026 06 PM PDT           46.43          11146         0              Normal
  04/25/2026 07 PM PDT           46.42          11136         -              Normal
  04/25/2026 08 PM PDT           46.42          11136         0              Normal
  04/25/2026 09 PM PDT           46.41          11125         -              Normal
  04/25/2026 10 PM PDT           46.41          11125         0              Normal
  04/25/2026 11 PM PDT           46.40          11114         -              Normal
  04/26/2026 12 AM PDT           46.40          11114         0              Normal
  04/26/2026 01 AM PDT           46.40          11114         0              Normal
  04/26/2026 02 AM PDT           46.39          11104         -              Normal
  04/26/2026 03 AM PDT           46.39          11104         0              Normal
  04/26/2026 04 AM PDT           46.39          11104         0              Normal
  04/26/2026 05 AM PDT           46.38          11093         -              Normal
  04/26/2026 06 AM PDT           46.38          11093         0              Normal
  04/26/2026 07 AM PDT           46.38          11093         0              Normal
  04/26/2026 08 AM PDT           46.38          11093         0              Normal
  04/26/2026 09 AM PDT           46.38          11093         0              Normal
  04/26/2026 10 AM PDT           46.37          11083         -              Normal
  04/26/2026 11 AM PDT           46.37          11083         0              Normal
  04/26/2026 12 PM PDT           46.37          11083         0              Normal
  04/26/2026 01 PM PDT           46.36          11072         -              Normal
  04/26/2026 02 PM PDT           46.35          11062         -              Normal
  04/26/2026 03 PM PDT           46.34          11052         -              Normal
  04/26/2026 04 PM PDT           46.34          11052         0              Normal
  04/26/2026 05 PM PDT           46.33          11041         -              Normal
  04/26/2026 06 PM PDT           46.31          11020         -              Normal
  04/26/2026 07 PM PDT           46.30          11010         -              Normal
  04/26/2026 08 PM PDT           46.29          10999         -              Normal
  04/26/2026 09 PM PDT           46.28          10989         -              Normal
  04/26/2026 10 PM PDT           46.27          10978         -              Normal
  04/26/2026 11 PM PDT           46.26          10968         -              Normal
  04/27/2026 12 AM PDT           46.26          10968         0              Normal
  04/27/2026 01 AM PDT           46.25          10958         -              Normal
  04/27/2026 02 AM PDT           46.25          10958         0              Normal
  04/27/2026 03 AM PDT           46.24          10947         -              Normal
  04/27/2026 04 AM PDT           46.24          10947         0              Normal
  04/27/2026 05 AM PDT           46.24          10947         0              Normal
  04/27/2026 06 AM PDT           46.24          10947         0              Normal
  04/27/2026 07 AM PDT           46.25          10958         +              Normal
  04/27/2026 08 AM PDT           46.25          10958         0              Normal
  04/27/2026 09 AM PDT           46.26          10968         +              Normal
  04/27/2026 10 AM PDT           46.27          10978         +              Normal
  04/27/2026 11 AM PDT           46.27          10978         0              Normal
  04/27/2026 12 PM PDT           46.28          10989         +              Normal
  04/27/2026 01 PM PDT           46.29          10999         +              Normal
  04/27/2026 02 PM PDT           46.30          11010         +              Normal
  04/27/2026 03 PM PDT           46.31          11020         +              Normal
  04/27/2026 04 PM PDT           46.31          11020         0              Normal
  04/27/2026 05 PM PDT           46.32          11031         +              Normal
  04/27/2026 06 PM PDT           46.33          11041         +              Normal
  04/27/2026 07 PM PDT           46.33          11041         0              Normal
  04/27/2026 08 PM PDT           46.33          11041         0              Normal
  04/27/2026 09 PM PDT           46.33          11041         0              Normal
  04/27/2026 10 PM PDT           46.33          11041         0              Normal
  04/27/2026 11 PM PDT           46.33          11041         0              Normal
  04/28/2026 12 AM PDT           46.32          11031         -              Normal
  04/28/2026 01 AM PDT           46.32          11031         0              Normal
  04/28/2026 02 AM PDT           46.31          11020         -              Normal
  04/28/2026 03 AM PDT           46.30          11010         -              Normal
  04/28/2026 04 AM PDT           46.29          10999         -              Normal
  04/28/2026 05 AM PDT           46.28          10989         -              Normal
  04/28/2026 06 AM PDT           46.27          10978         -              Normal
  04/28/2026 07 AM PDT           46.26          10968         -              Normal
  04/28/2026 08 AM PDT           46.25          10958         -              Normal
  04/28/2026 09 AM PDT           46.23          10937         -              Normal
  04/28/2026 10 AM PDT           46.22          10926         -              Normal
  04/28/2026 11 AM PDT           46.21          10916         -              Normal
  04/28/2026 12 PM PDT           46.20          10906         -              Normal
  04/28/2026 01 PM PDT           46.19          10895         -              Normal
  04/28/2026 02 PM PDT           46.17          10875         -              Normal
  04/28/2026 03 PM PDT           46.16          10864         -              Normal
  04/28/2026 04 PM PDT           46.16          10864         0              Normal
  04/28/2026 05 PM PDT           46.15          10854         -              Normal
  04/28/2026 06 PM PDT           46.14          10844         -              Normal
  04/28/2026 07 PM PDT           46.13          10833         -              Normal
  04/28/2026 08 PM PDT           46.12          10823         -              Normal
  04/28/2026 09 PM PDT           46.11          10813         -              Normal
  04/28/2026 10 PM PDT           46.09          10792         -              Normal
  04/28/2026 11 PM PDT           46.08          10782         -              Normal
  04/29/2026 12 AM PDT           46.06          10761         -              Normal
  04/29/2026 01 AM PDT           46.05          10751         -              Normal
  04/29/2026 02 AM PDT           46.03          10731         -              Normal
  04/29/2026 03 AM PDT           46.02          10720         -              Normal
  04/29/2026 04 AM PDT           46.00          10700         -              Normal
  04/29/2026 05 AM PDT           45.98          10673         -              Normal
  04/29/2026 06 AM PDT           45.97          10660         -              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.