Mississippi River At St. Louis

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Hydrograph

Stage Color Key
28 ft - Near Flood 30 ft - Minor Flood 35 ft - Moderate Flood 40 ft - Major Flood

Latest Observation: Friday July 3rd, 2026 07:30 AM CDT
River Status: Normal

  Height Flow
Currently 16.16 ft 270 kcfs
Record 49.58 ft 1070000 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Friday 07/03/2026 07:00 AM 16.20 270.00
  Friday 07/03/2026 01:00 PM 16.10 269.00
  Friday 07/03/2026 07:00 PM 16.10 269.00
  Saturday 07/04/2026 01:00 AM 16.30 272.00
  Saturday 07/04/2026 07:00 AM 16.30 272.00
  Saturday 07/04/2026 01:00 PM 16.40 273.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Thursday 07/02/2026 09:30 PM 16.60 276.00
Thursday 07/02/2026 10:00 PM 16.56 275.00
Thursday 07/02/2026 10:30 PM 16.52 275.00
Thursday 07/02/2026 11:00 PM 16.49 274.00
Thursday 07/02/2026 11:30 PM 16.48 274.00
Friday 07/03/2026 12:00 AM 16.46 274.00
Friday 07/03/2026 12:30 AM 16.45 274.00
Friday 07/03/2026 01:00 AM 16.43 273.00
Friday 07/03/2026 01:30 AM 16.40 273.00
Friday 07/03/2026 02:00 AM 16.34 272.00
Friday 07/03/2026 02:30 AM 16.41 273.00
Friday 07/03/2026 03:00 AM 16.35 272.00
Friday 07/03/2026 03:30 AM 16.32 272.00
Friday 07/03/2026 04:00 AM 16.31 272.00
Friday 07/03/2026 04:30 AM 16.26 271.00
Friday 07/03/2026 05:00 AM 16.25 271.00
Friday 07/03/2026 05:30 AM 16.25 271.00
Friday 07/03/2026 06:00 AM 16.21 270.00
Friday 07/03/2026 06:30 AM 16.22 271.00
Friday 07/03/2026 07:00 AM 16.18 270.00

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