Illinois River Near Henry

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Stage Color Key
22 ft - Near Flood 23 ft - Minor Flood 24 ft - Moderate Flood 31 ft - Major Flood

Latest Observation: Monday April 27th, 2026 04:45 AM CDT
River Status: Normal

  Height Flow
Currently 20.65 ft 32.9 kcfs
Record 32.94 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Monday 04/27/2026 07:00 AM 20.60 N/A
  Monday 04/27/2026 01:00 PM 20.50 N/A
  Monday 04/27/2026 07:00 PM 20.40 N/A
  Tuesday 04/28/2026 01:00 AM 20.30 N/A
  Tuesday 04/28/2026 07:00 AM 20.30 N/A
  Tuesday 04/28/2026 01:00 PM 20.30 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 04/26/2026 11:45 PM 20.72 N/A
Monday 04/27/2026 12:00 AM 20.71 N/A
Monday 04/27/2026 12:15 AM 20.70 N/A
Monday 04/27/2026 12:30 AM 20.70 N/A
Monday 04/27/2026 12:45 AM 20.69 N/A
Monday 04/27/2026 01:00 AM 20.70 N/A
Monday 04/27/2026 01:15 AM 20.69 N/A
Monday 04/27/2026 01:30 AM 20.70 N/A
Monday 04/27/2026 01:45 AM 20.69 N/A
Monday 04/27/2026 02:00 AM 20.70 N/A
Monday 04/27/2026 02:15 AM 20.63 N/A
Monday 04/27/2026 02:30 AM 20.68 N/A
Monday 04/27/2026 02:45 AM 20.67 N/A
Monday 04/27/2026 03:00 AM 20.66 N/A
Monday 04/27/2026 03:15 AM 20.67 N/A
Monday 04/27/2026 03:30 AM 20.67 N/A
Monday 04/27/2026 03:45 AM 20.66 N/A
Monday 04/27/2026 04:00 AM 20.66 N/A
Monday 04/27/2026 04:15 AM 20.67 N/A
Monday 04/27/2026 04:30 AM 20.65 N/A

Hydrograph

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