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: Wednesday August 19th, 2026 09:45 AM CDT
River Status: Normal

  Height Flow
Currently 20.82 ft 33.4 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
  Wednesday 08/19/2026 07:00 PM 20.90 N/A
  Thursday 08/20/2026 01:00 AM 20.90 N/A
  Thursday 08/20/2026 07:00 AM 20.90 N/A
  Thursday 08/20/2026 01:00 PM 20.90 N/A
  Thursday 08/20/2026 07:00 PM 20.90 N/A
  Friday 08/21/2026 01:00 AM 20.90 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 08/19/2026 04:45 AM 20.77 N/A
Wednesday 08/19/2026 05:00 AM 20.78 N/A
Wednesday 08/19/2026 05:15 AM 20.78 N/A
Wednesday 08/19/2026 05:30 AM 20.78 N/A
Wednesday 08/19/2026 05:45 AM 20.79 N/A
Wednesday 08/19/2026 06:00 AM 20.80 N/A
Wednesday 08/19/2026 06:15 AM 20.79 N/A
Wednesday 08/19/2026 06:30 AM 20.79 N/A
Wednesday 08/19/2026 06:45 AM 20.80 N/A
Wednesday 08/19/2026 08:00 AM 20.81 N/A
Wednesday 08/19/2026 08:15 AM 20.81 N/A
Wednesday 08/19/2026 08:30 AM 20.81 N/A
Wednesday 08/19/2026 08:45 AM 20.82 N/A
Wednesday 08/19/2026 09:00 AM 20.82 N/A
Wednesday 08/19/2026 09:15 AM 20.83 N/A
Wednesday 08/19/2026 09:30 AM 20.82 N/A
Wednesday 08/19/2026 09:45 AM 20.82 N/A
Wednesday 08/19/2026 10:00 AM 20.82 N/A
Wednesday 08/19/2026 10:15 AM 20.82 N/A
Wednesday 08/19/2026 10:30 AM 20.82 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