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 25th, 2026 06:45 AM CDT
River Status: Normal

  Height Flow
Currently 18.87 ft 27.7 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 08/25/2026 07:00 AM 18.90 N/A
  Tuesday 08/25/2026 01:00 PM 18.70 N/A
  Tuesday 08/25/2026 07:00 PM 18.50 N/A
  Wednesday 08/26/2026 01:00 AM 18.40 N/A
  Wednesday 08/26/2026 07:00 AM 18.20 N/A
  Wednesday 08/26/2026 01:00 PM 18.00 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 08/25/2026 02:45 AM 18.98 N/A
Tuesday 08/25/2026 03:00 AM 18.98 N/A
Tuesday 08/25/2026 03:15 AM 18.97 N/A
Tuesday 08/25/2026 03:30 AM 18.96 N/A
Tuesday 08/25/2026 03:45 AM 18.96 N/A
Tuesday 08/25/2026 04:00 AM 18.95 N/A
Tuesday 08/25/2026 04:15 AM 18.94 N/A
Tuesday 08/25/2026 04:30 AM 18.93 N/A
Tuesday 08/25/2026 04:45 AM 18.93 N/A
Tuesday 08/25/2026 05:00 AM 18.92 N/A
Tuesday 08/25/2026 05:15 AM 18.91 N/A
Tuesday 08/25/2026 05:30 AM 18.90 N/A
Tuesday 08/25/2026 05:45 AM 18.90 N/A
Tuesday 08/25/2026 06:00 AM 18.89 N/A
Tuesday 08/25/2026 06:15 AM 18.89 N/A
Tuesday 08/25/2026 06:30 AM 18.88 N/A
Tuesday 08/25/2026 06:45 AM 18.87 N/A
Tuesday 08/25/2026 07:00 AM 18.87 N/A
Tuesday 08/25/2026 07:15 AM 18.86 N/A
Tuesday 08/25/2026 07:30 AM 18.85 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