Illinois River At Meredosia

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Stage Color Key
14 ft - Near Flood 17 ft - Minor Flood 22 ft - Moderate Flood 24 ft - Major Flood

Latest Observation: Friday March 20th, 2026 08:30 PM CDT
River Status: Normal

  Height Flow
Currently 9.77 ft 32.5 kcfs
Record 28.86 ft 112000 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Saturday 03/21/2026 07:00 AM 9.90 33.00
  Saturday 03/21/2026 01:00 PM 9.90 33.00
  Saturday 03/21/2026 07:00 PM 9.90 33.00
  Sunday 03/22/2026 01:00 AM 10.00 33.30
  Sunday 03/22/2026 07:00 AM 10.00 33.30
  Sunday 03/22/2026 01:00 PM 10.00 33.30

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 03/20/2026 10:30 AM 9.72 32.30
Friday 03/20/2026 11:00 AM 9.73 32.40
Friday 03/20/2026 11:30 AM 9.73 32.40
Friday 03/20/2026 12:00 PM 9.74 32.40
Friday 03/20/2026 12:30 PM 9.73 32.40
Friday 03/20/2026 01:00 PM 9.74 32.40
Friday 03/20/2026 01:30 PM 9.74 32.40
Friday 03/20/2026 02:00 PM 9.74 32.40
Friday 03/20/2026 02:30 PM 9.73 32.40
Friday 03/20/2026 03:00 PM 9.74 32.40
Friday 03/20/2026 03:30 PM 9.75 32.50
Friday 03/20/2026 04:00 PM 9.77 32.50
Friday 03/20/2026 04:30 PM 9.76 32.50
Friday 03/20/2026 05:00 PM 9.76 32.50
Friday 03/20/2026 05:30 PM 9.75 32.50
Friday 03/20/2026 06:00 PM 9.77 32.50
Friday 03/20/2026 06:30 PM 9.77 32.50
Friday 03/20/2026 07:00 PM 9.79 32.60
Friday 03/20/2026 07:30 PM 9.77 32.50
Friday 03/20/2026 08:00 PM 9.77 32.50

Hydrograph

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