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: Tuesday August 11th, 2026 10:45 AM CDT
River Status: Normal

  Height Flow
Currently 15.73 ft 12.2 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
  Tuesday 08/11/2026 07:00 PM 15.80 N/A
  Wednesday 08/12/2026 01:00 AM 15.90 N/A
  Wednesday 08/12/2026 07:00 AM 16.00 N/A
  Wednesday 08/12/2026 01:00 PM 16.10 N/A
  Wednesday 08/12/2026 07:00 PM 16.20 N/A
  Thursday 08/13/2026 01:00 AM 16.30 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 08/11/2026 05:45 AM 15.54 N/A
Tuesday 08/11/2026 06:00 AM 15.55 N/A
Tuesday 08/11/2026 06:15 AM 15.57 N/A
Tuesday 08/11/2026 06:30 AM 15.58 N/A
Tuesday 08/11/2026 06:45 AM 15.58 N/A
Tuesday 08/11/2026 07:00 AM -9,999.00 N/A
Tuesday 08/11/2026 07:15 AM 15.57 N/A
Tuesday 08/11/2026 07:30 AM 15.59 N/A
Tuesday 08/11/2026 07:45 AM -9,999.00 N/A
Tuesday 08/11/2026 08:00 AM 15.59 N/A
Tuesday 08/11/2026 08:15 AM 15.59 N/A
Tuesday 08/11/2026 08:30 AM 15.59 N/A
Tuesday 08/11/2026 08:45 AM 15.61 N/A
Tuesday 08/11/2026 09:00 AM 15.61 N/A
Tuesday 08/11/2026 09:15 AM 15.63 N/A
Tuesday 08/11/2026 09:30 AM 15.63 N/A
Tuesday 08/11/2026 09:45 AM 15.56 N/A
Tuesday 08/11/2026 10:00 AM 15.63 N/A
Tuesday 08/11/2026 10:15 AM 15.80 N/A
Tuesday 08/11/2026 10:30 AM 15.76 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