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 27 2026 at 7:10 AM PDTNext Issuance: Apr 28 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:  04/27/2026 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:     04/28/2026 at 09:00 PM PDT
# Maximum Forecast Stage:                       45.33 Feet
# Maximum Forecast Flow:                        9833 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  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           47.90          12711         -              Normal
  04/24/2026 07 AM PDT           47.75          12548         -              Normal
  04/24/2026 08 AM PDT           47.66          12451         -              Normal
  04/24/2026 09 AM PDT           47.54          12323         -              Normal
  04/24/2026 10 AM PDT           47.43          12205         -              Normal
  04/24/2026 11 AM PDT           47.32          12087         -              Normal
  04/24/2026 12 PM PDT           47.21          11970         -              Normal
  04/24/2026 01 PM PDT           47.09          11844         -              Normal
  04/24/2026 02 PM PDT           46.98          11728         -              Normal
  04/24/2026 03 PM PDT           46.90          11642         -              Normal
  04/24/2026 04 PM PDT           46.79          11525         -              Normal
  04/24/2026 05 PM PDT           46.70          11430         -              Normal
  04/24/2026 06 PM PDT           46.63          11356         -              Normal
  04/24/2026 07 PM PDT           46.57          11293         -              Normal
  04/24/2026 08 PM PDT           46.50          11220         -              Normal
  04/24/2026 09 PM PDT           46.43          11146         -              Normal
  04/24/2026 10 PM PDT           46.37          11083         -              Normal
  04/24/2026 11 PM PDT           46.32          11031         -              Normal
  04/25/2026 12 AM PDT           46.25          10958         -              Normal
  04/25/2026 01 AM PDT           46.21          10916         -              Normal
  04/25/2026 02 AM PDT           46.15          10854         -              Normal
  04/25/2026 03 AM PDT           46.11          10813         -              Normal
  04/25/2026 04 AM PDT           46.07          10772         -              Normal
  04/25/2026 05 AM PDT           46.02          10720         -              Normal
  04/25/2026 06 AM PDT           45.97          10660         -              Normal
  04/25/2026 07 AM PDT           45.91          10580         -              Normal
  04/25/2026 08 AM PDT           45.86          10514         -              Normal
  04/25/2026 09 AM PDT           45.81          10449         -              Normal
  04/25/2026 10 AM PDT           45.76          10383         -              Normal
  04/25/2026 11 AM PDT           45.71          10318         -              Normal
  04/25/2026 12 PM PDT           45.69          10292         -              Normal
  04/25/2026 01 PM PDT           45.64          10228         -              Normal
  04/25/2026 02 PM PDT           45.61          10189         -              Normal
  04/25/2026 03 PM PDT           45.57          10138         -              Normal
  04/25/2026 04 PM PDT           45.53          10087         -              Normal
  04/25/2026 05 PM PDT           45.50          10049         -              Normal
  04/25/2026 06 PM PDT           45.48          10023         -              Normal
  04/25/2026 07 PM PDT           45.47          10011         -              Normal
  04/25/2026 08 PM PDT           45.45           9985         -              Normal
  04/25/2026 09 PM PDT           45.40           9922         -              Normal
  04/25/2026 10 PM PDT           45.41           9934         +              Normal
  04/25/2026 11 PM PDT           45.39           9909         -              Normal
  04/26/2026 12 AM PDT           45.36           9871         -              Normal
  04/26/2026 01 AM PDT           45.34           9846         -              Normal
  04/26/2026 02 AM PDT           45.33           9833         -              Normal
  04/26/2026 03 AM PDT           45.32           9821         -              Normal
  04/26/2026 04 AM PDT           45.30           9795         -              Normal
  04/26/2026 05 AM PDT           45.29           9783         -              Normal
  04/26/2026 06 AM PDT           45.27           9758         -              Normal
  04/26/2026 07 AM PDT           45.25           9733         -              Normal
  04/26/2026 08 AM PDT           45.24           9720         -              Normal
  04/26/2026 09 AM PDT           45.21           9683         -              Normal
  04/26/2026 10 AM PDT           45.19           9658         -              Normal
  04/26/2026 11 AM PDT           45.15           9609         -              Normal
  04/26/2026 12 PM PDT           45.14           9596         -              Normal
  04/26/2026 01 PM PDT           45.13           9584         -              Normal
  04/26/2026 02 PM PDT           45.09           9535         -              Normal
  04/26/2026 03 PM PDT           45.07           9510         -              Normal
  04/26/2026 04 PM PDT           45.06           9498         -              Normal
  04/26/2026 05 PM PDT           45.06           9498         0              Normal
  04/26/2026 06 PM PDT           45.03           9462         -              Normal
  04/26/2026 07 PM PDT           45.04           9474         +              Normal
  04/26/2026 08 PM PDT           45.02           9449         -              Normal
  04/26/2026 09 PM PDT           45.03           9462         +              Normal
  04/26/2026 10 PM PDT           45.01           9437         -              Normal
  04/26/2026 11 PM PDT           44.99           9413         -              Normal
  04/27/2026 12 AM PDT           44.96           9376         -              Normal
  04/27/2026 01 AM PDT           44.96           9376         0              Normal
  04/27/2026 02 AM PDT           44.95           9364         -              Normal
  04/27/2026 03 AM PDT           44.93           9339         -              Normal
  04/27/2026 04 AM PDT           44.92           9327         -              Normal
  04/27/2026 05 AM PDT           44.91           9315         -              Normal
  04/27/2026 06 AM PDT           44.90           9303         -              Normal
  04/27/2026 07 AM PDT           44.89           9290         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/27/2026 08 AM PDT           44.88           9278                        Normal
  04/27/2026 09 AM PDT           44.87           9266         -              Normal
  04/27/2026 10 AM PDT           44.86           9254         -              Normal
  04/27/2026 11 AM PDT           44.85           9242         -              Normal
  04/27/2026 12 PM PDT           44.85           9242         0              Normal
  04/27/2026 01 PM PDT           44.84           9230         -              Normal
  04/27/2026 02 PM PDT           44.83           9218         -              Normal
  04/27/2026 03 PM PDT           44.83           9218         0              Normal
  04/27/2026 04 PM PDT           44.83           9218         0              Normal
  04/27/2026 05 PM PDT           44.83           9218         0              Normal
  04/27/2026 06 PM PDT           44.84           9230         +              Normal
  04/27/2026 07 PM PDT           44.84           9230         0              Normal
  04/27/2026 08 PM PDT           44.86           9254         +              Normal
  04/27/2026 09 PM PDT           44.87           9266         +              Normal
  04/27/2026 10 PM PDT           44.89           9290         +              Normal
  04/27/2026 11 PM PDT           44.90           9303         +              Normal
  04/28/2026 12 AM PDT           44.92           9327         +              Normal
  04/28/2026 01 AM PDT           44.94           9351         +              Normal
  04/28/2026 02 AM PDT           44.95           9364         +              Normal
  04/28/2026 03 AM PDT           44.97           9388         +              Normal
  04/28/2026 04 AM PDT           44.99           9413         +              Normal
  04/28/2026 05 AM PDT           45.01           9437         +              Normal
  04/28/2026 06 AM PDT           45.03           9462         +              Normal
  04/28/2026 07 AM PDT           45.05           9486         +              Normal
  04/28/2026 08 AM PDT           45.07           9510         +              Normal
  04/28/2026 09 AM PDT           45.10           9547         +              Normal
  04/28/2026 10 AM PDT           45.12           9572         +              Normal
  04/28/2026 11 AM PDT           45.15           9609         +              Normal
  04/28/2026 12 PM PDT           45.18           9646         +              Normal
  04/28/2026 01 PM PDT           45.20           9671         +              Normal
  04/28/2026 02 PM PDT           45.23           9708         +              Normal
  04/28/2026 03 PM PDT           45.25           9733         +              Normal
  04/28/2026 04 PM PDT           45.27           9758         +              Normal
  04/28/2026 05 PM PDT           45.29           9783         +              Normal
  04/28/2026 06 PM PDT           45.30           9795         +              Normal
  04/28/2026 07 PM PDT           45.31           9808         +              Normal
  04/28/2026 08 PM PDT           45.32           9821         +              Normal
  04/28/2026 09 PM PDT           45.33           9833         +              Normal
  04/28/2026 10 PM PDT           45.33           9833         0              Normal
  04/28/2026 11 PM PDT           45.33           9833         0              Normal
  04/29/2026 12 AM PDT           45.32           9821         -              Normal
  04/29/2026 01 AM PDT           45.32           9821         0              Normal
  04/29/2026 02 AM PDT           45.31           9808         -              Normal
  04/29/2026 03 AM PDT           45.31           9808         0              Normal
  04/29/2026 04 AM PDT           45.30           9795         -              Normal
  04/29/2026 05 AM PDT           45.29           9783         -              Normal
  04/29/2026 06 AM PDT           45.28           9770         -              Normal
  04/29/2026 07 AM PDT           45.27           9758         -              Normal
  04/29/2026 08 AM PDT           45.26           9745         -              Normal
  04/29/2026 09 AM PDT           45.25           9733         -              Normal
  04/29/2026 10 AM PDT           45.23           9708         -              Normal
  04/29/2026 11 AM PDT           45.22           9695         -              Normal
  04/29/2026 12 PM PDT           45.20           9671         -              Normal
  04/29/2026 01 PM PDT           45.19           9658         -              Normal
  04/29/2026 02 PM PDT           45.17           9633         -              Normal
  04/29/2026 03 PM PDT           45.16           9621         -              Normal
  04/29/2026 04 PM PDT           45.14           9596         -              Normal
  04/29/2026 05 PM PDT           45.12           9572         -              Normal
  04/29/2026 06 PM PDT           45.11           9559         -              Normal
  04/29/2026 07 PM PDT           45.09           9535         -              Normal
  04/29/2026 08 PM PDT           45.08           9523         -              Normal
  04/29/2026 09 PM PDT           45.06           9498         -              Normal
  04/29/2026 10 PM PDT           45.05           9486         -              Normal
  04/29/2026 11 PM PDT           45.03           9462         -              Normal
  04/30/2026 12 AM PDT           45.02           9449         -              Normal
  04/30/2026 01 AM PDT           45.00           9425         -              Normal
  04/30/2026 02 AM PDT           44.99           9413         -              Normal
  04/30/2026 03 AM PDT           44.98           9400         -              Normal
  04/30/2026 04 AM PDT           44.97           9388         -              Normal
  04/30/2026 05 AM PDT           44.95           9364         -              Normal
  04/30/2026 06 AM PDT           44.94           9351         -              Normal
  04/30/2026 07 AM PDT           44.93           9339         -              Normal
  04/30/2026 08 AM PDT           44.92           9327         -              Normal
  04/30/2026 09 AM PDT           44.91           9315         -              Normal
  04/30/2026 10 AM PDT           44.90           9303         -              Normal
  04/30/2026 11 AM PDT           44.89           9290         -              Normal
  04/30/2026 12 PM PDT           44.88           9278         -              Normal
  04/30/2026 01 PM PDT           44.87           9266         -              Normal
  04/30/2026 02 PM PDT           44.86           9254         -              Normal
  04/30/2026 03 PM PDT           44.85           9242         -              Normal
  04/30/2026 04 PM PDT           44.84           9230         -              Normal
  04/30/2026 05 PM PDT           44.83           9218         -              Normal
  04/30/2026 06 PM PDT           44.82           9206         -              Normal
  04/30/2026 07 PM PDT           44.81           9194         -              Normal
  04/30/2026 08 PM PDT           44.80           9181         -              Normal
  04/30/2026 09 PM PDT           44.79           9169         -              Normal
  04/30/2026 10 PM PDT           44.78           9157         -              Normal
  04/30/2026 11 PM PDT           44.77           9145         -              Normal
  05/01/2026 12 AM PDT           44.77           9145         0              Normal
  05/01/2026 01 AM PDT           44.76           9133         -              Normal
  05/01/2026 02 AM PDT           44.75           9121         -              Normal
  05/01/2026 03 AM PDT           44.74           9109         -              Normal
  05/01/2026 04 AM PDT           44.73           9097         -              Normal
  05/01/2026 05 AM PDT           44.73           9097         0              Normal
  05/01/2026 06 AM PDT           44.72           9086         -              Normal
  05/01/2026 07 AM PDT           44.71           9074         -              Normal
  05/01/2026 08 AM PDT           44.71           9074         0              Normal
  05/01/2026 09 AM PDT           44.70           9062         -              Normal
  05/01/2026 10 AM PDT           44.69           9050         -              Normal
  05/01/2026 11 AM PDT           44.68           9038         -              Normal
  05/01/2026 12 PM PDT           44.68           9038         0              Normal
  05/01/2026 01 PM PDT           44.67           9026         -              Normal
  05/01/2026 02 PM PDT           44.66           9014         -              Normal
  05/01/2026 03 PM PDT           44.66           9014         0              Normal
  05/01/2026 04 PM PDT           44.65           9002         -              Normal
  05/01/2026 05 PM PDT           44.64           8990         -              Normal
  05/01/2026 06 PM PDT           44.63           8979         -              Normal
  05/01/2026 07 PM PDT           44.63           8979         0              Normal
  05/01/2026 08 PM PDT           44.62           8967         -              Normal
  05/01/2026 09 PM PDT           44.61           8955         -              Normal
  05/01/2026 10 PM PDT           44.61           8955         0              Normal
  05/01/2026 11 PM PDT           44.60           8943         -              Normal
  05/02/2026 12 AM PDT           44.59           8931         -              Normal
  05/02/2026 01 AM PDT           44.59           8931         0              Normal
  05/02/2026 02 AM PDT           44.58           8920         -              Normal
  05/02/2026 03 AM PDT           44.57           8908         -              Normal
  05/02/2026 04 AM PDT           44.57           8908         0              Normal
  05/02/2026 05 AM PDT           44.56           8896         -              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.