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: Sunday April 19th, 2026 09:45 AM CDT
River Status: Normal

  Height Flow
Currently 21.42 ft 35.6 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
  Sunday 04/19/2026 07:00 AM 21.40 35.50
  Sunday 04/19/2026 01:00 PM 21.60 36.30
  Sunday 04/19/2026 07:00 PM 21.80 37.00
  Monday 04/20/2026 01:00 AM 22.00 37.80
  Monday 04/20/2026 07:00 AM 22.10 38.20
  Monday 04/20/2026 01:00 PM 22.20 38.60

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 04/19/2026 05:45 AM 21.31 N/A
Sunday 04/19/2026 06:00 AM 21.33 N/A
Sunday 04/19/2026 06:15 AM 21.34 N/A
Sunday 04/19/2026 06:30 AM 21.33 N/A
Sunday 04/19/2026 06:45 AM 21.34 N/A
Sunday 04/19/2026 07:00 AM 21.34 N/A
Sunday 04/19/2026 07:15 AM 21.37 N/A
Sunday 04/19/2026 07:30 AM 21.36 N/A
Sunday 04/19/2026 07:45 AM 21.36 N/A
Sunday 04/19/2026 08:00 AM 21.40 N/A
Sunday 04/19/2026 08:15 AM 21.38 N/A
Sunday 04/19/2026 08:30 AM 21.38 N/A
Sunday 04/19/2026 08:45 AM 21.39 N/A
Sunday 04/19/2026 09:00 AM 21.40 N/A
Sunday 04/19/2026 09:15 AM 21.40 N/A
Sunday 04/19/2026 09:30 AM 21.41 N/A
Sunday 04/19/2026 09:45 AM 21.42 N/A
Sunday 04/19/2026 10:00 AM 21.42 N/A
Sunday 04/19/2026 10:15 AM 21.42 N/A
Sunday 04/19/2026 10:30 AM 21.43 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