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 August 28th, 2026 11:30 AM CDT
River Status: Normal

  Height Flow
Currently 5.35 ft 147 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 08/28/2026 07:00 PM 5.20 145.00
  Saturday 08/29/2026 01:00 AM 5.10 144.00
  Saturday 08/29/2026 07:00 AM 4.90 142.00
  Saturday 08/29/2026 01:00 PM 4.80 141.00
  Saturday 08/29/2026 07:00 PM 4.60 139.00
  Sunday 08/30/2026 01:00 AM 4.40 137.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 08/28/2026 01:30 AM 4.77 141.00
Friday 08/28/2026 02:00 AM 4.78 141.00
Friday 08/28/2026 02:30 AM 4.85 142.00
Friday 08/28/2026 03:00 AM 4.91 143.00
Friday 08/28/2026 03:30 AM 4.99 143.00
Friday 08/28/2026 04:00 AM 5.01 144.00
Friday 08/28/2026 04:30 AM 5.07 144.00
Friday 08/28/2026 05:00 AM 5.13 145.00
Friday 08/28/2026 05:30 AM 5.13 145.00
Friday 08/28/2026 06:00 AM 5.17 145.00
Friday 08/28/2026 06:30 AM 5.19 145.00
Friday 08/28/2026 07:00 AM 5.26 146.00
Friday 08/28/2026 07:30 AM 5.27 146.00
Friday 08/28/2026 08:00 AM 5.29 146.00
Friday 08/28/2026 08:30 AM 5.33 147.00
Friday 08/28/2026 09:00 AM 5.33 147.00
Friday 08/28/2026 09:30 AM 5.36 147.00
Friday 08/28/2026 10:00 AM 5.36 147.00
Friday 08/28/2026 10:30 AM 5.31 147.00
Friday 08/28/2026 11:00 AM 5.34 147.00

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