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: Monday July 20th, 2026 07:00 PM CDT
River Status: Normal

  Height Flow
Currently 11.13 ft 208 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
  Monday 07/20/2026 07:00 AM 12.50 224.00
  Monday 07/20/2026 01:00 PM 12.30 221.00
  Monday 07/20/2026 07:00 PM 12.00 218.00
  Tuesday 07/21/2026 01:00 AM 11.70 214.00
  Tuesday 07/21/2026 07:00 AM 11.30 210.00
  Tuesday 07/21/2026 01:00 PM 10.80 204.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 07/20/2026 06:00 AM 12.23 220.00
Monday 07/20/2026 06:30 AM 12.22 220.00
Monday 07/20/2026 07:00 AM 12.22 220.00
Monday 07/20/2026 08:00 AM 12.16 220.00
Monday 07/20/2026 08:30 AM 12.10 219.00
Monday 07/20/2026 09:00 AM 12.15 219.00
Monday 07/20/2026 09:30 AM 12.12 219.00
Monday 07/20/2026 01:00 PM 12.05 218.00
Monday 07/20/2026 01:30 PM 11.99 218.00
Monday 07/20/2026 02:00 PM 11.95 217.00
Monday 07/20/2026 02:30 PM 11.88 216.00
Monday 07/20/2026 03:00 PM 11.83 216.00
Monday 07/20/2026 03:30 PM 11.74 215.00
Monday 07/20/2026 04:00 PM 11.67 214.00
Monday 07/20/2026 04:30 PM 11.67 214.00
Monday 07/20/2026 05:00 PM 11.63 213.00
Monday 07/20/2026 05:30 PM 11.45 211.00
Monday 07/20/2026 06:00 PM 11.35 210.00
Monday 07/20/2026 06:30 PM 11.29 209.00
Monday 07/20/2026 07:00 PM 11.13 208.00

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