Tennessee River at Chattanooga
Critical Stages
649' - Action
651.1' - Flood
653' - Moderate
655' - Major
Latest Observation
Updated: 9:00 AM EST 12/16/25
Status: No Flooding
Stage: 634.73 ft
Flow: 43.5 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 PM 12/16 | 634.91 | 44.4 |
| 7 PM 12/16 | 633.94 | 39.7 |
| 1 AM 12/17 | 633.69 | 38.5 |
| 7 AM 12/17 | 633.63 | 38.2 |
| 1 PM 12/17 | 633.75 | 38.8 |
| 7 PM 12/17 | 633.87 | 39.3 |
| 1 AM 12/18 | 633.98 | 39.9 |
| 7 AM 12/18 | 634.01 | 40 |
| 1 PM 12/18 | 634 | 40 |
| 7 PM 12/18 | 634.02 | 40.1 |
| 1 AM 12/19 | 634.03 | 40.1 |
| 7 AM 12/19 | 633.76 | 38.8 |
| 1 PM 12/19 | 633.7 | 38.5 |
| 7 PM 12/19 | 633.68 | 38.4 |
| 1 AM 12/20 | 633.65 | 38.3 |
| 7 AM 12/20 | 633.49 | 37.5 |
| 1 PM 12/20 | 633.42 | 37.2 |
| 7 PM 12/20 | 633.39 | 37 |
| 1 AM 12/21 | 633.37 | 36.9 |
| 7 AM 12/21 | 633.37 | 36.9 |
| 1 PM 12/21 | 633.37 | 36.9 |
| 7 PM 12/21 | 633.37 | 36.9 |
| 1 AM 12/22 | 633.37 | 36.9 |
| 7 AM 12/22 | 633.37 | 36.9 |
| 1 PM 12/22 | 633.37 | 36.9 |
| 7 PM 12/22 | 633.37 | 36.9 |
| 1 AM 12/23 | 633.37 | 36.9 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:00 AM 12/16 | -9999 | -999 |
| 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 |
| 2:00 AM 12/16 | 634.85 | 44.1 |
| 1:00 AM 12/16 | 634.89 | 44.3 |
| 12:00 AM 12/16 | 634.89 | 44.3 |
| 11:00 PM 12/15 | 634.89 | 44.3 |
| 10:00 PM 12/15 | 634.86 | 44.2 |
| 9:00 PM 12/15 | 634.81 | 43.9 |
| 8:00 PM 12/15 | 634.83 | 44 |
| 7:00 PM 12/15 | 634.78 | 43.8 |
| 6:00 PM 12/15 | 634.73 | 43.5 |
| 5:00 PM 12/15 | 634.76 | 43.7 |
| 4:00 PM 12/15 | 634.78 | 43.8 |
| 3:00 PM 12/15 | 634.81 | 43.9 |
| 2:00 PM 12/15 | 634.93 | 44.5 |
| 1:00 PM 12/15 | 635.04 | 45.1 |
| 12:00 PM 12/15 | 635.05 | 45.1 |
| 11:00 AM 12/15 | 635.15 | 45.6 |
| 10:00 AM 12/15 | 635.19 | 45.8 |
| 9:00 AM 12/15 | 635.23 | 46 |
| 8:00 AM 12/15 | 635.07 | 45.2 |
| 7:00 AM 12/15 | 634.94 | 44.6 |
| 6:00 AM 12/15 | 634.94 | 44.6 |
| 5:00 AM 12/15 | 634.92 | 44.5 |
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.
