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 September 25th, 2026 02:30 PM CDT
River Status: Normal

  Height Flow
Currently 15.37 ft 263 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 09/25/2026 07:00 PM 15.20 261.00
  Saturday 09/26/2026 01:00 AM 15.40 264.00
  Saturday 09/26/2026 07:00 AM 15.70 268.00
  Saturday 09/26/2026 01:00 PM 15.90 270.00
  Saturday 09/26/2026 07:00 PM 16.00 272.00
  Sunday 09/27/2026 01:00 AM 16.20 274.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 09/25/2026 04:30 AM 15.02 259.00
Friday 09/25/2026 05:00 AM 15.03 259.00
Friday 09/25/2026 05:30 AM 15.06 259.00
Friday 09/25/2026 06:00 AM 15.05 259.00
Friday 09/25/2026 06:30 AM 15.04 259.00
Friday 09/25/2026 07:00 AM 15.01 259.00
Friday 09/25/2026 07:30 AM 15.00 258.00
Friday 09/25/2026 08:00 AM 15.04 259.00
Friday 09/25/2026 08:30 AM 15.04 259.00
Friday 09/25/2026 09:00 AM 15.05 259.00
Friday 09/25/2026 09:30 AM 15.05 259.00
Friday 09/25/2026 10:00 AM 15.15 260.00
Friday 09/25/2026 10:30 AM 15.09 260.00
Friday 09/25/2026 11:00 AM 15.09 260.00
Friday 09/25/2026 11:30 AM 15.14 260.00
Friday 09/25/2026 12:00 PM 15.18 261.00
Friday 09/25/2026 12:30 PM 15.18 261.00
Friday 09/25/2026 01:00 PM 15.27 262.00
Friday 09/25/2026 01:30 PM 15.25 262.00
Friday 09/25/2026 02:00 PM 15.29 262.00

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