Tennessee River at Chattanooga
Critical Stages
649' - Action
651.1' - Flood
653' - Moderate
655' - Major
Latest Observation
Updated: 7:00 AM EST 12/17/25
Status: No Flooding
Stage: 633.57 ft
Flow: 37.9 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 PM 12/17 | 633.93 | 39.6 |
| 7 PM 12/17 | 633.9 | 39.5 |
| 1 AM 12/18 | 634.57 | 42.7 |
| 7 AM 12/18 | 634.34 | 41.6 |
| 1 PM 12/18 | 634.23 | 41.1 |
| 7 PM 12/18 | 634.14 | 40.7 |
| 1 AM 12/19 | 634.07 | 40.3 |
| 7 AM 12/19 | 633.85 | 39.2 |
| 1 PM 12/19 | 633.81 | 39 |
| 7 PM 12/19 | 633.78 | 38.9 |
| 1 AM 12/20 | 633.75 | 38.8 |
| 7 AM 12/20 | 633.59 | 38 |
| 1 PM 12/20 | 633.54 | 37.7 |
| 7 PM 12/20 | 633.51 | 37.6 |
| 1 AM 12/21 | 633.48 | 37.5 |
| 7 AM 12/21 | 633.45 | 37.3 |
| 1 PM 12/21 | 633.44 | 37.3 |
| 7 PM 12/21 | 633.43 | 37.2 |
| 1 AM 12/22 | 633.42 | 37.2 |
| 7 AM 12/22 | 633.47 | 37.4 |
| 1 PM 12/22 | 633.49 | 37.5 |
| 7 PM 12/22 | 633.49 | 37.5 |
| 1 AM 12/23 | 633.5 | 37.5 |
| 7 AM 12/23 | 633.5 | 37.5 |
| 1 PM 12/23 | 633.51 | 37.6 |
| 7 PM 12/23 | 633.51 | 37.6 |
| 1 AM 12/24 | 633.51 | 37.6 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8:00 AM 12/17 | -9999 | -999 |
| 7:00 AM 12/17 | 633.57 | 37.9 |
| 6:00 AM 12/17 | 633.08 | 35.6 |
| 5:00 AM 12/17 | 633.07 | 35.6 |
| 4:00 AM 12/17 | 633.06 | 35.5 |
| 3:00 AM 12/17 | 633.11 | 35.7 |
| 2:00 AM 12/17 | 633.17 | 36 |
| 1:00 AM 12/17 | 633.25 | 36.4 |
| 12:00 AM 12/17 | 633.42 | 37.2 |
| 11:00 PM 12/16 | 633.6 | 38 |
| 10:00 PM 12/16 | 634.07 | 40.3 |
| 9:00 PM 12/16 | 634.02 | 40.1 |
| 8:00 PM 12/16 | 633.97 | 39.8 |
| 7:00 PM 12/16 | 633.96 | 39.8 |
| 6:00 PM 12/16 | 633.69 | 38.5 |
| 5:00 PM 12/16 | 633.44 | 37.3 |
| 4:00 PM 12/16 | 633.46 | 37.4 |
| 3:00 PM 12/16 | 633.54 | 37.7 |
| 2:00 PM 12/16 | 633.77 | 38.8 |
| 1:00 PM 12/16 | -9999 | -999 |
| 12:00 PM 12/16 | 634.6 | 42.9 |
| 11:00 AM 12/16 | 634.63 | 43 |
| 10:00 AM 12/16 | 634.63 | 43 |
| 9:00 AM 12/16 | 634.73 | 43.5 |
| 8:00 AM 12/16 | 634.68 | 43.3 |
| 7:00 AM 12/16 | 634.69 | 43.3 |
| 6:00 AM 12/16 | 634.75 | 43.6 |
| 5:00 AM 12/16 | 634.8 | 43.9 |
| 4:00 AM 12/16 | 634.84 | 44.1 |
| 3:00 AM 12/16 | 634.8 | 43.9 |
678.9' -
Flood of record, March 11, 1867.
655' -
Major flooding begins.
653' -
Moderate flooding begins.
651.1' -
Flooding begins.
| Date | Stage (ft) |
|---|---|
| Mar 11, 1867 | 678.9 |
| Mar 1, 1875 | 674.8 |
| Mar 18, 1973 | 657.98 |
| May 8, 2003 | 657.2 |
| Apr 20, 1998 | 651.38 |
| Jul 8, 2013 | 651.36 |
| Feb 24, 2019 | 651.14 |
Data provided by the National Weather Service.
