Tuolumne River at Modesto
Critical Stages
50.5' - Action
55' - Flood
66' - Moderate
67' - Major
Latest Observation
Updated: 7:00 PM PST 12/17/25
Status: No Flooding
Stage: 36.84 ft
Flow: 0.192 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8 PM 12/17 | 37.46 | 0.354 |
| 9 PM 12/17 | 37.53 | 0.374 |
| 10 PM 12/17 | 37.6 | 0.394 |
| 11 PM 12/17 | 37.66 | 0.412 |
| 12 AM 12/18 | 37.71 | 0.427 |
| 1 AM 12/18 | 37.76 | 0.441 |
| 2 AM 12/18 | 37.8 | 0.454 |
| 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 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 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 |
| 6:00 PM 12/17 | 36.82 | 0.188 |
| 5:45 PM 12/17 | 36.82 | 0.188 |
| 5:30 PM 12/17 | 36.82 | 0.188 |
| 5:15 PM 12/17 | 36.81 | 0.185 |
| 5:00 PM 12/17 | 36.81 | 0.185 |
| 4:45 PM 12/17 | 36.81 | 0.185 |
| 4:30 PM 12/17 | 36.81 | 0.185 |
| 4:15 PM 12/17 | 36.81 | 0.185 |
| 4:00 PM 12/17 | 36.81 | 0.185 |
| 3:45 PM 12/17 | 36.81 | 0.185 |
| 3:30 PM 12/17 | 36.81 | 0.185 |
| 3:15 PM 12/17 | 36.8 | 0.183 |
| 3:00 PM 12/17 | 36.81 | 0.185 |
| 2:45 PM 12/17 | 36.8 | 0.183 |
| 2:30 PM 12/17 | 36.8 | 0.183 |
| 2:15 PM 12/17 | 36.8 | 0.183 |
| 2:00 PM 12/17 | 36.8 | 0.183 |
| 1:45 PM 12/17 | 36.81 | 0.185 |
| 1:30 PM 12/17 | 36.8 | 0.183 |
| 1:15 PM 12/17 | 36.8 | 0.183 |
| 1:00 PM 12/17 | 36.8 | 0.183 |
| 12:45 PM 12/17 | 36.8 | 0.183 |
| 12:30 PM 12/17 | 36.8 | 0.183 |
| 12:15 PM 12/17 | 36.8 | 0.183 |
| 12:00 PM 12/17 | 36.8 | 0.183 |
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.
| Date | Stage (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.