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 October 20th, 2026 10:00 AM CDT
River Status: Normal

  Height Flow
Currently 633.96 ft 39.8 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 10/20/2026 06:00 AM 633.56 37.80
  Tuesday 10/20/2026 12:00 PM 634.18 40.90
  Tuesday 10/20/2026 06:00 PM 634.22 41.10
  Wednesday 10/21/2026 12:00 AM 634.46 42.20
  Wednesday 10/21/2026 06:00 AM 634.16 40.80
  Wednesday 10/21/2026 12:00 PM 634.12 40.60

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 10/19/2026 03:00 PM 634.11 40.50
Monday 10/19/2026 04:00 PM 634.16 40.80
Monday 10/19/2026 05:00 PM 634.21 41.00
Monday 10/19/2026 06:00 PM 634.26 41.20
Monday 10/19/2026 07:00 PM 634.29 41.40
Monday 10/19/2026 08:00 PM 634.32 41.50
Monday 10/19/2026 09:00 PM 634.29 41.40
Monday 10/19/2026 10:00 PM 634.30 41.40
Monday 10/19/2026 11:00 PM 634.22 41.10
Tuesday 10/20/2026 12:00 AM 634.25 41.20
Tuesday 10/20/2026 01:00 AM 634.34 41.60
Tuesday 10/20/2026 02:00 AM 634.06 40.30
Tuesday 10/20/2026 03:00 AM 633.91 39.50
Tuesday 10/20/2026 04:00 AM 633.88 39.40
Tuesday 10/20/2026 05:00 AM 633.92 39.60
Tuesday 10/20/2026 06:00 AM 634.29 41.40
Tuesday 10/20/2026 07:00 AM 634.41 42.00
Tuesday 10/20/2026 08:00 AM 634.48 42.30
Tuesday 10/20/2026 09:00 AM 634.47 42.20
Tuesday 10/20/2026 10:00 AM 633.96 39.80

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