Tennessee River At Chattanooga

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Hydrograph

Stage Color Key
649 ft - Near Flood 651.1 ft - Minor Flood 653 ft - Moderate Flood 655 ft - Major Flood

Latest Observation: Tuesday September 22nd, 2026 10:00 AM CDT
River Status: Normal

  Height Flow
Currently 633.8 ft 39 kcfs
Record 678.9 ft 459000 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Tuesday 09/22/2026 06:00 AM 634.28 41.30
  Tuesday 09/22/2026 12:00 PM 634.22 41.10
  Tuesday 09/22/2026 06:00 PM 634.18 40.90
  Wednesday 09/23/2026 12:00 AM 634.13 40.60
  Wednesday 09/23/2026 06:00 AM 633.95 39.70
  Wednesday 09/23/2026 12:00 PM 633.92 39.60

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 09/21/2026 03:00 PM 634.35 41.70
Monday 09/21/2026 04:00 PM 634.48 42.30
Monday 09/21/2026 05:00 PM 634.53 42.50
Monday 09/21/2026 06:00 PM 634.58 42.80
Monday 09/21/2026 07:00 PM 634.59 42.80
Monday 09/21/2026 08:00 PM 634.57 42.70
Monday 09/21/2026 09:00 PM 634.59 42.80
Monday 09/21/2026 10:00 PM 634.57 42.70
Monday 09/21/2026 11:00 PM 634.15 40.70
Tuesday 09/22/2026 12:00 AM 634.02 40.10
Tuesday 09/22/2026 01:00 AM 634.02 40.10
Tuesday 09/22/2026 02:00 AM 634.09 40.40
Tuesday 09/22/2026 03:00 AM 634.19 40.90
Tuesday 09/22/2026 04:00 AM 634.22 41.10
Tuesday 09/22/2026 05:00 AM 634.18 40.90
Tuesday 09/22/2026 06:00 AM 634.18 40.90
Tuesday 09/22/2026 07:00 AM 634.15 40.70
Tuesday 09/22/2026 08:00 AM 634.02 40.10
Tuesday 09/22/2026 09:00 AM 633.90 39.50
Tuesday 09/22/2026 10:00 AM 633.80 39.00

Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org