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 11th, 2026 12:00 PM CDT
River Status: Normal

  Height Flow
Currently -0.26 ft N/A
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 09/11/2026 07:00 PM 0.00 N/A
  Saturday 09/12/2026 01:00 AM 0.20 99.70
  Saturday 09/12/2026 07:00 AM 0.40 101.00
  Saturday 09/12/2026 01:00 PM 0.60 103.00
  Saturday 09/12/2026 07:00 PM 0.80 105.00
  Sunday 09/13/2026 01:00 AM 1.10 107.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 09/11/2026 02:30 AM -0.45 N/A
Friday 09/11/2026 03:00 AM -0.42 N/A
Friday 09/11/2026 03:30 AM -0.41 N/A
Friday 09/11/2026 04:00 AM -0.40 N/A
Friday 09/11/2026 04:30 AM -0.38 N/A
Friday 09/11/2026 05:00 AM -0.42 N/A
Friday 09/11/2026 05:30 AM -0.34 N/A
Friday 09/11/2026 06:00 AM -0.38 N/A
Friday 09/11/2026 06:30 AM -0.36 N/A
Friday 09/11/2026 07:00 AM -0.32 N/A
Friday 09/11/2026 07:30 AM -0.41 N/A
Friday 09/11/2026 08:00 AM -0.34 N/A
Friday 09/11/2026 08:30 AM -0.27 N/A
Friday 09/11/2026 09:00 AM -0.30 N/A
Friday 09/11/2026 09:30 AM -0.27 N/A
Friday 09/11/2026 10:00 AM -0.26 N/A
Friday 09/11/2026 10:30 AM -0.24 N/A
Friday 09/11/2026 11:00 AM -0.15 N/A
Friday 09/11/2026 11:30 AM -0.25 N/A
Friday 09/11/2026 12:00 PM -0.26 N/A

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