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Tuolumne River at Modesto

Critical Stages
50.5' - Action
55' - Flood
66' - Moderate
67' - Major

Latest Observation

Updated: 1:15 AM PST 12/18/25

Status: No Flooding

Stage: 37.23 ft

Flow: 0.291 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
3 AM 12/18 37.83 0.463
4 AM 12/18 37.87 0.475
5 AM 12/18 37.9 0.484
6 AM 12/18 37.92 0.49
7 AM 12/18 37.95 0.5
8 AM 12/18 37.97 0.506
9 AM 12/18 37.98 0.509
10 AM 12/18 38 0.515
11 AM 12/18 38.02 0.522
12 PM 12/18 38.03 0.525
1 PM 12/18 38.04 0.528
2 PM 12/18 38.05 0.531
3 PM 12/18 38.06 0.534
4 PM 12/18 38.07 0.538
5 PM 12/18 38.08 0.541
6 PM 12/18 38.08 0.541
7 PM 12/18 38.09 0.544
8 PM 12/18 38.09 0.544
9 PM 12/18 38.1 0.547
10 PM 12/18 38.1 0.547
11 PM 12/18 38.11 0.55
12 AM 12/19 38.11 0.55
1 AM 12/19 38.12 0.554
2 AM 12/19 38.12 0.554
3 AM 12/19 38.12 0.554
4 AM 12/19 38.12 0.554
5 AM 12/19 38.12 0.554
6 AM 12/19 38.13 0.557
7 AM 12/19 38.13 0.557
8 AM 12/19 38.13 0.557
9 AM 12/19 38.13 0.557
10 AM 12/19 38.13 0.557
11 AM 12/19 38.13 0.557
12 PM 12/19 38.13 0.557
1 PM 12/19 38.13 0.557
2 PM 12/19 38.13 0.557
3 PM 12/19 38.14 0.56
4 PM 12/19 38.14 0.56
5 PM 12/19 38.14 0.56
6 PM 12/19 38.14 0.56
7 PM 12/19 38.14 0.56
8 PM 12/19 38.14 0.56
9 PM 12/19 38.14 0.56
10 PM 12/19 38.14 0.56
11 PM 12/19 38.14 0.56
12 AM 12/20 38.14 0.56
1 AM 12/20 38.14 0.56
2 AM 12/20 38.14 0.56
3 AM 12/20 38.14 0.56
4 AM 12/20 38.14 0.56
5 AM 12/20 38.14 0.56
6 AM 12/20 38.14 0.56
7 AM 12/20 38.14 0.56
8 AM 12/20 38.14 0.56
9 AM 12/20 38.14 0.56
10 AM 12/20 38.14 0.56
11 AM 12/20 38.14 0.56
12 PM 12/20 38.14 0.56
1 PM 12/20 38.14 0.56
2 PM 12/20 38.14 0.56
3 PM 12/20 38.14 0.56
4 PM 12/20 38.14 0.56
5 PM 12/20 38.14 0.56
6 PM 12/20 38.15 0.563
7 PM 12/20 38.15 0.563
8 PM 12/20 38.15 0.563
9 PM 12/20 38.15 0.563
10 PM 12/20 38.16 0.566
11 PM 12/20 38.16 0.566
12 AM 12/21 38.16 0.566
1 AM 12/21 38.17 0.57
2 AM 12/21 38.18 0.573
3 AM 12/21 38.18 0.573
4 AM 12/21 38.19 0.576
5 AM 12/21 38.19 0.576
6 AM 12/21 38.19 0.576
7 AM 12/21 38.2 0.579
8 AM 12/21 38.2 0.579
9 AM 12/21 38.2 0.579
10 AM 12/21 38.2 0.579
11 AM 12/21 38.2 0.579
12 PM 12/21 38.2 0.579
1 PM 12/21 38.2 0.579
2 PM 12/21 38.2 0.579
3 PM 12/21 38.19 0.576
4 PM 12/21 38.19 0.576
5 PM 12/21 38.19 0.576
6 PM 12/21 38.19 0.576
7 PM 12/21 38.2 0.579
8 PM 12/21 38.2 0.579
9 PM 12/21 38.2 0.579
10 PM 12/21 38.21 0.583
11 PM 12/21 38.22 0.586
12 AM 12/22 38.23 0.589
1 AM 12/22 38.24 0.592
2 AM 12/22 38.25 0.596
3 AM 12/22 38.26 0.599
4 AM 12/22 38.27 0.602
TimeStage (ft)Flow (kcfs)
1:30 AM 12/18 37.25 0.296
1:15 AM 12/18 37.23 0.291
1:00 AM 12/18 37.21 0.285
12:45 AM 12/18 37.2 0.283
12:30 AM 12/18 37.18 0.277
12:15 AM 12/18 37.16 0.272
12:00 AM 12/18 37.15 0.27
11:45 PM 12/17 37.13 0.264
11:30 PM 12/17 37.11 0.259
11:15 PM 12/17 37.1 0.257
11:00 PM 12/17 37.07 0.249
10:45 PM 12/17 37.05 0.244
10:30 PM 12/17 37.03 0.239
10:15 PM 12/17 37.01 0.234
10:00 PM 12/17 36.99 0.229
9:45 PM 12/17 36.98 0.226
9:30 PM 12/17 36.96 0.221
9:15 PM 12/17 36.95 0.219
9:00 PM 12/17 36.93 0.214
8:45 PM 12/17 36.92 0.212
8:30 PM 12/17 36.9 0.207
8:15 PM 12/17 36.88 0.202
8:00 PM 12/17 36.88 0.202
7:45 PM 12/17 36.87 0.199
7:30 PM 12/17 36.86 0.197
7:15 PM 12/17 36.85 0.195
7:00 PM 12/17 36.84 0.192
6:45 PM 12/17 36.84 0.192
6:30 PM 12/17 36.83 0.19
6:15 PM 12/17 36.83 0.19
Hydrograph for Tuolumne River at Modesto
67' - Extensive flooding occurs. Flows in excess of 40,000 cfs could cause extensive damage to residential, industrial and commercial development in Modesto downstream of gage.
55' - This is channel capacity through downtown Modesto.
DateStage (ft)
Jan 4, 1997 71.21
Dec 9, 1950 69.19
Dec 25, 1955 66.43
Jan 27, 1969 65.42
Feb 22, 2017 58.9
Mar 14, 1983 57.3
Mar 12, 1995 56.56
Apr 1, 1982 56.17
Jan 2, 1965 55.35
Mar 16, 1986 55.2
Mar 16, 2023 54.69
Mar 21, 2023 54.61
Apr 6, 2006 54.45
Jan 18, 1980 54.4
Jan 6, 1984 54.2
Feb 2, 1979 53.6
Jan 22, 1970 52.65
Feb 28, 2000 51.48
Jan 9, 2006 51.26
Jan 4, 2006 51.09

Data provided by the National Weather Service.