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: Sunday April 19th, 2026 12:00 PM CDT
River Status: Normal

  Height Flow
Currently 23.72 ft 380 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
  Sunday 04/19/2026 07:00 PM 24.70 396.00
  Monday 04/20/2026 01:00 AM 25.30 406.00
  Monday 04/20/2026 07:00 AM 25.70 414.00
  Monday 04/20/2026 01:00 PM 26.10 421.00
  Monday 04/20/2026 07:00 PM 26.50 429.00
  Tuesday 04/21/2026 01:00 AM 26.70 433.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 04/19/2026 02:30 AM 22.56 365.00
Sunday 04/19/2026 03:00 AM 22.64 366.00
Sunday 04/19/2026 03:30 AM 22.64 366.00
Sunday 04/19/2026 04:00 AM 22.74 367.00
Sunday 04/19/2026 04:30 AM 22.80 368.00
Sunday 04/19/2026 05:00 AM 22.83 369.00
Sunday 04/19/2026 05:30 AM 22.95 370.00
Sunday 04/19/2026 06:00 AM 22.99 371.00
Sunday 04/19/2026 06:30 AM 23.01 371.00
Sunday 04/19/2026 07:00 AM 23.11 372.00
Sunday 04/19/2026 07:30 AM 23.18 373.00
Sunday 04/19/2026 08:00 AM 23.23 374.00
Sunday 04/19/2026 08:30 AM 23.27 374.00
Sunday 04/19/2026 09:00 AM 23.38 376.00
Sunday 04/19/2026 09:30 AM 23.39 376.00
Sunday 04/19/2026 10:00 AM 23.59 378.00
Sunday 04/19/2026 10:30 AM 23.56 378.00
Sunday 04/19/2026 11:00 AM 23.57 378.00
Sunday 04/19/2026 11:30 AM 23.70 380.00
Sunday 04/19/2026 12:00 PM 23.72 380.00

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