« Back to Blackhawk Rivers

San Joaquin River at Mossdale Bridge

Critical Stages
19.5' - Action
28.5' - Flood
32.1' - Moderate
33.1' - Major

Latest Observation

Updated: 1:45 AM PST 12/16/25

Status: No Flooding

Stage: 3.45 ft

Flow: 0.108 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
3 AM 12/16 4.29 0.325
4 AM 12/16 4.29 0.325
5 AM 12/16 4.29 0.325
6 AM 12/16 4.29 0.325
7 AM 12/16 4.29 0.325
8 AM 12/16 4.29 0.325
9 AM 12/16 4.29 0.325
10 AM 12/16 4.29 0.325
11 AM 12/16 4.29 0.325
12 PM 12/16 4.29 0.325
1 PM 12/16 4.29 0.325
2 PM 12/16 4.29 0.325
3 PM 12/16 4.29 0.325
4 PM 12/16 4.29 0.325
5 PM 12/16 4.29 0.325
6 PM 12/16 4.29 0.325
7 PM 12/16 4.29 0.325
8 PM 12/16 4.29 0.325
9 PM 12/16 4.29 0.325
10 PM 12/16 4.29 0.325
11 PM 12/16 4.29 0.325
12 AM 12/17 4.29 0.325
1 AM 12/17 4.29 0.325
2 AM 12/17 4.29 0.325
3 AM 12/17 4.29 0.325
4 AM 12/17 4.29 0.325
5 AM 12/17 4.29 0.325
6 AM 12/17 4.29 0.325
7 AM 12/17 4.29 0.325
8 AM 12/17 4.29 0.325
9 AM 12/17 4.29 0.325
10 AM 12/17 4.29 0.325
11 AM 12/17 4.29 0.325
12 PM 12/17 4.29 0.325
1 PM 12/17 4.29 0.325
2 PM 12/17 4.29 0.325
3 PM 12/17 4.29 0.325
4 PM 12/17 4.29 0.325
5 PM 12/17 4.29 0.325
6 PM 12/17 4.29 0.325
7 PM 12/17 4.29 0.325
8 PM 12/17 4.29 0.325
9 PM 12/17 4.29 0.325
10 PM 12/17 4.29 0.325
11 PM 12/17 4.29 0.325
12 AM 12/18 4.29 0.325
1 AM 12/18 4.29 0.325
2 AM 12/18 4.29 0.325
3 AM 12/18 4.29 0.325
4 AM 12/18 4.29 0.325
5 AM 12/18 4.29 0.325
6 AM 12/18 4.29 0.325
7 AM 12/18 4.29 0.325
8 AM 12/18 4.29 0.325
9 AM 12/18 4.29 0.325
10 AM 12/18 4.29 0.325
11 AM 12/18 4.29 0.325
12 PM 12/18 4.29 0.325
1 PM 12/18 4.29 0.325
2 PM 12/18 4.29 0.325
3 PM 12/18 4.29 0.325
4 PM 12/18 4.29 0.325
5 PM 12/18 4.29 0.325
6 PM 12/18 4.29 0.325
7 PM 12/18 4.29 0.325
8 PM 12/18 4.29 0.325
9 PM 12/18 4.29 0.325
10 PM 12/18 4.29 0.325
11 PM 12/18 4.29 0.325
12 AM 12/19 4.29 0.325
1 AM 12/19 4.29 0.325
2 AM 12/19 4.29 0.325
3 AM 12/19 4.29 0.325
4 AM 12/19 4.29 0.325
5 AM 12/19 4.29 0.325
6 AM 12/19 4.29 0.325
7 AM 12/19 4.29 0.325
8 AM 12/19 4.29 0.325
9 AM 12/19 4.29 0.325
10 AM 12/19 4.29 0.325
11 AM 12/19 4.29 0.325
12 PM 12/19 4.29 0.325
1 PM 12/19 4.29 0.325
2 PM 12/19 4.29 0.325
3 PM 12/19 4.29 0.325
4 PM 12/19 4.29 0.325
5 PM 12/19 4.29 0.325
6 PM 12/19 4.29 0.325
7 PM 12/19 4.29 0.325
8 PM 12/19 4.29 0.325
9 PM 12/19 4.29 0.325
10 PM 12/19 4.29 0.325
11 PM 12/19 4.29 0.325
12 AM 12/20 4.29 0.325
1 AM 12/20 4.29 0.325
2 AM 12/20 4.29 0.325
3 AM 12/20 4.29 0.325
4 AM 12/20 4.29 0.325
TimeStage (ft)Flow (kcfs)
2:00 AM 12/16 3.5 0.116
1:45 AM 12/16 3.45 0.108
1:30 AM 12/16 3.42 0.103
1:15 AM 12/16 3.45 0.108
1:00 AM 12/16 3.5 0.116
12:45 AM 12/16 3.55 0.124
12:30 AM 12/16 3.62 0.137
12:15 AM 12/16 3.68 0.149
12:00 AM 12/16 3.75 0.164
11:45 PM 12/15 3.81 0.178
11:30 PM 12/15 3.89 0.198
11:15 PM 12/15 3.95 0.214
11:00 PM 12/15 4.02 0.234
10:45 PM 12/15 4.09 0.255
10:30 PM 12/15 4.17 0.282
10:15 PM 12/15 4.24 0.307
10:00 PM 12/15 4.31 0.333
9:45 PM 12/15 4.38 0.362
9:30 PM 12/15 4.45 0.389
9:15 PM 12/15 4.53 0.421
9:00 PM 12/15 4.6 0.45
8:45 PM 12/15 4.67 0.481
8:30 PM 12/15 4.75 0.518
8:15 PM 12/15 4.83 0.558
8:00 PM 12/15 4.9 0.595
7:45 PM 12/15 4.98 0.639
7:30 PM 12/15 5.05 0.679
7:15 PM 12/15 5.13 0.728
7:00 PM 12/15 5.21 0.779
6:45 PM 12/15 5.29 0.833
Hydrograph for San Joaquin River at Mossdale Bridge
33.1' - Stages above 33.1 feet result in flooding outside of the levees. Top of levee.
16.39' - Historically Mossdale Trailer Park evacuates.
15.4' - Mossdale Trailer Park is threatened by the high water. Mossdale Trailer Park is on the south side of the river inside the levee both upstream and downstream of the gage.
DateStage (ft)
Dec 10, 1950 24.4
Jan 9, 1997 23.24
Feb 23, 2017 21.7
Mar 23, 2023 20.52
Mar 7, 2001 18.15
Jan 24, 1967 18.1
Apr 3, 2011 17.87
Apr 13, 2006 17.19
Feb 14, 1998 17.13
Feb 27, 1980 16.95
Jan 5, 1984 15.93
Apr 19, 1982 15.42
Jan 24, 1970 15.06
May 4, 1978 14.45
Jun 6, 2019 14.31
Jan 12, 1965 14.11
May 31, 2005 11.98
Mar 6, 2024 11.32
Feb 15, 1999 10.45
Apr 8, 2018 10.43

Data provided by the National Weather Service.