Mississippi River At Illinois City

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Hydrograph

Stage Color Key
14 ft - Near Flood 15 ft - Minor Flood 16 ft - Moderate Flood 18 ft - Major Flood

Latest Observation: Friday February 20th, 2026 02:00 PM CST
River Status: Normal

  Height Flow
Currently 4.68 ft 49.5 kcfs
Record 24.1 ft N/A

Forecast
  Date (CST) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Friday 02/20/2026 06:00 PM 4.50 46.40
  Saturday 02/21/2026 12:00 AM 4.50 46.40
  Saturday 02/21/2026 06:00 AM 4.60 48.10
  Saturday 02/21/2026 12:00 PM 4.60 48.10
  Saturday 02/21/2026 06:00 PM 4.70 49.80
  Sunday 02/22/2026 12:00 AM 4.80 51.50

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Friday 02/20/2026 11:10 AM 4.60 48.10
Friday 02/20/2026 11:20 AM 4.62 48.40
Friday 02/20/2026 11:30 AM 4.67 49.30
Friday 02/20/2026 11:40 AM 4.67 49.30
Friday 02/20/2026 11:50 AM 4.67 49.30
Friday 02/20/2026 12:00 PM 4.68 49.50
Friday 02/20/2026 12:10 PM 4.68 49.50
Friday 02/20/2026 12:20 PM 4.69 49.60
Friday 02/20/2026 12:30 PM 4.70 49.80
Friday 02/20/2026 12:40 PM 4.70 49.80
Friday 02/20/2026 12:50 PM 4.69 49.60
Friday 02/20/2026 01:00 PM 4.71 50.00
Friday 02/20/2026 01:10 PM 4.70 49.80
Friday 02/20/2026 01:20 PM 4.71 50.00
Friday 02/20/2026 01:30 PM 4.71 50.00
Friday 02/20/2026 01:40 PM 4.71 50.00
Friday 02/20/2026 01:50 PM 4.70 49.80
Friday 02/20/2026 02:00 PM 4.68 49.50
Friday 02/20/2026 02:10 PM 4.69 49.60
Friday 02/20/2026 02:20 PM 4.68 49.50

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