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 October 9th, 2026 03:30 PM CDT
River Status: Normal

  Height Flow
Currently 18.47 ft 305 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 10/09/2026 07:00 PM 18.00 299.00
  Saturday 10/10/2026 01:00 AM 17.40 291.00
  Saturday 10/10/2026 07:00 AM 16.80 282.00
  Saturday 10/10/2026 01:00 PM 16.30 276.00
  Saturday 10/10/2026 07:00 PM 15.80 269.00
  Sunday 10/11/2026 01:00 AM 15.40 264.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 10/09/2026 05:30 AM 19.46 319.00
Friday 10/09/2026 06:00 AM 19.47 319.00
Friday 10/09/2026 06:30 AM 19.34 317.00
Friday 10/09/2026 07:00 AM 19.30 316.00
Friday 10/09/2026 07:30 AM 19.31 316.00
Friday 10/09/2026 08:00 AM 19.27 316.00
Friday 10/09/2026 08:30 AM 19.24 316.00
Friday 10/09/2026 09:00 AM 19.18 315.00
Friday 10/09/2026 09:30 AM 19.13 314.00
Friday 10/09/2026 10:00 AM 19.06 313.00
Friday 10/09/2026 10:30 AM 18.98 312.00
Friday 10/09/2026 11:00 AM 18.93 311.00
Friday 10/09/2026 11:30 AM 18.87 310.00
Friday 10/09/2026 12:00 PM 18.84 310.00
Friday 10/09/2026 12:30 PM 18.81 310.00
Friday 10/09/2026 01:00 PM 18.77 309.00
Friday 10/09/2026 01:30 PM 18.78 309.00
Friday 10/09/2026 02:00 PM 18.75 309.00
Friday 10/09/2026 02:30 PM 18.63 307.00
Friday 10/09/2026 03:00 PM 18.58 307.00

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