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: Tuesday July 21st, 2026 08:30 PM CDT
River Status: Normal

  Height Flow
Currently 4.62 ft 48.4 kcfs
Record 24.1 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Tuesday 07/21/2026 07:00 PM 4.70 49.80
  Wednesday 07/22/2026 01:00 AM 4.70 49.80
  Wednesday 07/22/2026 07:00 AM 4.70 49.80
  Wednesday 07/22/2026 01:00 PM 4.60 48.10
  Wednesday 07/22/2026 07:00 PM 4.60 48.10
  Thursday 07/23/2026 01:00 AM 4.60 48.10

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 07/21/2026 05:10 PM 4.64 48.80
Tuesday 07/21/2026 05:20 PM 4.63 48.60
Tuesday 07/21/2026 05:30 PM 4.64 48.80
Tuesday 07/21/2026 05:40 PM 4.63 48.60
Tuesday 07/21/2026 05:50 PM 4.64 48.80
Tuesday 07/21/2026 06:00 PM 4.63 48.60
Tuesday 07/21/2026 06:10 PM 4.63 48.60
Tuesday 07/21/2026 06:20 PM 4.63 48.60
Tuesday 07/21/2026 06:30 PM 4.63 48.60
Tuesday 07/21/2026 06:40 PM 4.62 48.40
Tuesday 07/21/2026 06:50 PM 4.62 48.40
Tuesday 07/21/2026 07:00 PM 4.62 48.40
Tuesday 07/21/2026 07:10 PM 4.62 48.40
Tuesday 07/21/2026 07:20 PM 4.61 48.30
Tuesday 07/21/2026 07:30 PM 4.62 48.40
Tuesday 07/21/2026 07:40 PM 4.62 48.40
Tuesday 07/21/2026 07:50 PM 4.63 48.60
Tuesday 07/21/2026 08:00 PM 4.62 48.40
Tuesday 07/21/2026 08:10 PM 4.62 48.40
Tuesday 07/21/2026 08:20 PM 4.63 48.60

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