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Sacramento River at Colusa Bridge

Critical Stages
63' - Action
70' - Flood
72' - Moderate
73' - Major

Latest Observation

Updated: 9:45 AM PST 12/16/25

Status: No Flooding

Stage: 40.58 ft

Flow: 4.21 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
12 PM 12/16 40.5 4.14
1 PM 12/16 40.51 4.14
2 PM 12/16 40.52 4.15
3 PM 12/16 40.54 4.17
4 PM 12/16 40.55 4.18
5 PM 12/16 40.55 4.18
6 PM 12/16 40.56 4.19
7 PM 12/16 40.57 4.2
8 PM 12/16 40.58 4.21
9 PM 12/16 40.59 4.22
10 PM 12/16 40.6 4.22
11 PM 12/16 40.61 4.23
12 AM 12/17 40.62 4.24
1 AM 12/17 40.63 4.25
2 AM 12/17 40.64 4.26
3 AM 12/17 40.66 4.28
4 AM 12/17 40.67 4.29
5 AM 12/17 40.69 4.31
6 AM 12/17 40.71 4.32
7 AM 12/17 40.73 4.34
8 AM 12/17 40.75 4.36
9 AM 12/17 40.78 4.39
10 AM 12/17 40.8 4.41
11 AM 12/17 40.82 4.42
12 PM 12/17 40.84 4.44
1 PM 12/17 40.87 4.47
2 PM 12/17 40.89 4.49
3 PM 12/17 40.92 4.52
4 PM 12/17 40.94 4.54
5 PM 12/17 40.97 4.57
6 PM 12/17 41 4.6
7 PM 12/17 41.03 4.62
8 PM 12/17 41.06 4.65
9 PM 12/17 41.1 4.69
10 PM 12/17 41.14 4.72
11 PM 12/17 41.18 4.76
12 AM 12/18 41.23 4.81
1 AM 12/18 41.27 4.84
2 AM 12/18 41.33 4.9
3 AM 12/18 41.39 4.96
4 AM 12/18 41.46 5.02
5 AM 12/18 41.53 5.09
6 AM 12/18 41.62 5.17
7 AM 12/18 41.71 5.26
8 AM 12/18 41.81 5.35
9 AM 12/18 41.91 5.45
10 AM 12/18 42 5.54
11 AM 12/18 42.07 5.63
12 PM 12/18 42.13 5.72
1 PM 12/18 42.18 5.79
2 PM 12/18 42.23 5.85
3 PM 12/18 42.27 5.91
4 PM 12/18 42.31 5.97
5 PM 12/18 42.34 6.01
6 PM 12/18 42.35 6.03
7 PM 12/18 42.37 6.05
8 PM 12/18 42.37 6.05
9 PM 12/18 42.38 6.07
10 PM 12/18 42.37 6.05
11 PM 12/18 42.36 6.04
12 AM 12/19 42.35 6.03
1 AM 12/19 42.33 6
2 AM 12/19 42.31 5.97
3 AM 12/19 42.29 5.94
4 AM 12/19 42.27 5.91
5 AM 12/19 42.24 5.87
6 AM 12/19 42.22 5.84
7 AM 12/19 42.19 5.8
8 AM 12/19 42.17 5.77
9 AM 12/19 42.14 5.73
10 AM 12/19 42.12 5.7
11 AM 12/19 42.09 5.66
12 PM 12/19 42.07 5.63
1 PM 12/19 42.05 5.61
2 PM 12/19 42.02 5.57
3 PM 12/19 42 5.54
4 PM 12/19 41.98 5.52
5 PM 12/19 41.96 5.5
6 PM 12/19 41.93 5.47
7 PM 12/19 41.91 5.45
8 PM 12/19 41.9 5.44
9 PM 12/19 41.88 5.42
10 PM 12/19 41.86 5.4
11 PM 12/19 41.85 5.39
12 AM 12/20 41.84 5.38
1 AM 12/20 41.83 5.37
2 AM 12/20 41.82 5.36
3 AM 12/20 41.82 5.36
4 AM 12/20 41.81 5.35
5 AM 12/20 41.82 5.36
6 AM 12/20 41.82 5.36
7 AM 12/20 41.83 5.37
8 AM 12/20 41.85 5.39
9 AM 12/20 41.88 5.42
10 AM 12/20 41.91 5.45
11 AM 12/20 41.96 5.5
12 PM 12/20 42.02 5.57
1 PM 12/20 42.08 5.65
2 PM 12/20 42.16 5.76
3 PM 12/20 42.24 5.87
4 PM 12/20 42.34 6.01
5 PM 12/20 42.45 6.17
6 PM 12/20 42.59 6.37
7 PM 12/20 42.73 6.56
8 PM 12/20 42.88 6.78
9 PM 12/20 43.05 7.02
10 PM 12/20 43.23 7.26
11 PM 12/20 43.42 7.51
12 AM 12/21 43.63 7.78
1 AM 12/21 43.85 8.04
2 AM 12/21 44.07 8.31
3 AM 12/21 44.29 8.57
4 AM 12/21 44.51 8.84
TimeStage (ft)Flow (kcfs)
9:45 AM 12/16 40.58 4.21
9:30 AM 12/16 40.58 4.21
9:15 AM 12/16 40.58 4.21
9:00 AM 12/16 40.58 4.21
8:45 AM 12/16 40.56 4.19
8:30 AM 12/16 40.55 4.18
8:15 AM 12/16 40.54 4.17
8:00 AM 12/16 40.53 4.16
7:45 AM 12/16 40.5 4.14
7:30 AM 12/16 40.51 4.14
7:15 AM 12/16 40.49 4.13
7:00 AM 12/16 40.47 4.11
6:45 AM 12/16 40.48 4.12
6:30 AM 12/16 40.45 4.09
6:15 AM 12/16 40.45 4.09
6:00 AM 12/16 40.43 4.07
5:45 AM 12/16 40.42 4.06
5:30 AM 12/16 40.41 4.05
5:15 AM 12/16 40.39 4.03
5:00 AM 12/16 40.37 4.01
4:45 AM 12/16 40.36 4.01
4:30 AM 12/16 40.34 3.99
4:15 AM 12/16 40.33 3.98
4:00 AM 12/16 40.31 3.96
3:45 AM 12/16 40.3 3.95
3:30 AM 12/16 40.28 3.93
3:15 AM 12/16 40.26 3.91
3:00 AM 12/16 40.25 3.91
2:45 AM 12/16 40.22 3.88
2:30 AM 12/16 40.2 3.86
Hydrograph for Sacramento River at Colusa Bridge
73' - Stages above 73.0 feet result in major flooding of the area outside the levees. Top of levee.
67.2' - Water moves into parking lot and patio of RV Park located 0.7 miles downstream of gauge on left bank of river.
65' - Water impacts the parking lot of RV Park 4 miles downstream of gauge on left bank of river. RV Park is located inside the levee.
63' - Monitor Stage. The Colusa-Sacramento River State Recreation Area begins to experience high water impacts.
DateStage (ft)
Feb 8, 1942 69.2
Jan 3, 1997 68.83
Mar 4, 1983 68.5
Mar 1, 2019 68.33
Feb 20, 2017 68.25
Feb 26, 1958 68
Feb 19, 1986 67.97
Jan 2, 2006 67.72
Jan 8, 1974 67.7
Jan 25, 1970 67.6
Feb 12, 1941 67.6
Jan 11, 1995 67.58
Jan 10, 2017 67.55
Jan 16, 2023 67.48
Feb 21, 2024 67.44
Dec 12, 1937 67.3
Mar 22, 2011 67.09
Jan 7, 1965 67
Jan 17, 1956 66.9
Mar 16, 2023 66.83

Data provided by the National Weather Service.