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Tennessee River at Chattanooga
Critical Stages
649' - Action
651.1' - Flood
653' - Moderate
655' - Major
Latest Observation
Updated: 5:00 PM EST 12/15/25
Status: No Flooding
Stage: 634.76 ft
Flow: 43.7 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 7 PM 12/15 | 634.95 | 44.6 |
| 1 AM 12/16 | 635.16 | 45.7 |
| 7 AM 12/16 | 634.91 | 44.4 |
| 1 PM 12/16 | 634.98 | 44.8 |
| 7 PM 12/16 | 634.47 | 42.2 |
| 1 AM 12/17 | 634.23 | 41.1 |
| 7 AM 12/17 | 634.02 | 40.1 |
| 1 PM 12/17 | 634 | 40 |
| 7 PM 12/17 | 633.99 | 39.9 |
| 1 AM 12/18 | 633.97 | 39.8 |
| 7 AM 12/18 | 633.97 | 39.8 |
| 1 PM 12/18 | 633.97 | 39.8 |
| 7 PM 12/18 | 633.97 | 39.8 |
| 1 AM 12/19 | 633.97 | 39.8 |
| 7 AM 12/19 | 633.65 | 38.3 |
| 1 PM 12/19 | 633.58 | 37.9 |
| 7 PM 12/19 | 633.55 | 37.8 |
| 1 AM 12/20 | 633.52 | 37.6 |
| 7 AM 12/20 | 633.4 | 37.1 |
| 1 PM 12/20 | 633.34 | 36.8 |
| 7 PM 12/20 | 633.32 | 36.7 |
| 1 AM 12/21 | 633.3 | 36.6 |
| 7 AM 12/21 | 633.3 | 36.6 |
| 1 PM 12/21 | 633.3 | 36.6 |
| 7 PM 12/21 | 633.3 | 36.6 |
| 1 AM 12/22 | 633.3 | 36.6 |
| 7 AM 12/22 | 633.3 | 36.6 |
| 1 PM 12/22 | 633.31 | 36.7 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 6:00 PM 12/15 | -9999 | -999 |
| 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 |
| 4:00 AM 12/15 | 634.84 | 44.1 |
| 3:00 AM 12/15 | 634.74 | 43.6 |
| 2:00 AM 12/15 | 634.69 | 43.3 |
| 1:00 AM 12/15 | 634.65 | 43.1 |
| 12:00 AM 12/15 | 634.49 | 42.3 |
| 11:00 PM 12/14 | 634.35 | 41.7 |
| 10:00 PM 12/14 | 634.24 | 41.2 |
| 9:00 PM 12/14 | 634.09 | 40.4 |
| 8:00 PM 12/14 | 634.06 | 40.3 |
| 7:00 PM 12/14 | 633.96 | 39.8 |
| 6:00 PM 12/14 | 633.9 | 39.5 |
| 5:00 PM 12/14 | 633.86 | 39.3 |
| 4:00 PM 12/14 | 633.85 | 39.2 |
| 3:00 PM 12/14 | 633.86 | 39.3 |
| 2:00 PM 12/14 | 633.8 | 39 |
| 1:00 PM 12/14 | 633.78 | 38.9 |
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.
