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: Saturday April 18th, 2026 02:00 AM CDT
River Status: Normal

  Height Flow
Currently 633.01 ft 35.3 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
  Saturday 04/18/2026 06:00 AM 632.77 34.10
  Saturday 04/18/2026 12:00 PM 632.90 34.70
  Saturday 04/18/2026 06:00 PM 633.05 35.50
  Sunday 04/19/2026 12:00 AM 633.20 36.20
  Sunday 04/19/2026 06:00 AM 633.21 36.20
  Sunday 04/19/2026 12:00 PM 633.22 36.20

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 04/17/2026 07:00 AM 634.03 40.10
Friday 04/17/2026 08:00 AM 633.98 39.90
Friday 04/17/2026 09:00 AM 633.80 39.00
Friday 04/17/2026 10:00 AM 633.66 38.30
Friday 04/17/2026 11:00 AM 633.60 38.00
Friday 04/17/2026 12:00 PM 633.51 37.60
Friday 04/17/2026 01:00 PM 633.46 37.40
Friday 04/17/2026 02:00 PM 633.42 37.20
Friday 04/17/2026 03:00 PM 633.37 36.90
Friday 04/17/2026 04:00 PM 633.27 36.50
Friday 04/17/2026 05:00 PM 633.17 36.00
Friday 04/17/2026 06:00 PM 633.07 35.60
Friday 04/17/2026 07:00 PM 633.05 35.50
Friday 04/17/2026 08:00 PM 632.98 35.10
Friday 04/17/2026 09:00 PM 632.92 34.80
Friday 04/17/2026 10:00 PM 632.91 34.80
Friday 04/17/2026 11:00 PM 632.89 34.70
Saturday 04/18/2026 12:00 AM 632.89 34.70
Saturday 04/18/2026 01:00 AM 632.90 34.70
Saturday 04/18/2026 02:00 AM 633.01 35.30

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