Illinois River At Peoria Lock And Dam

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Stage Color Key
444 ft - Near Flood 447 ft - Minor Flood 449 ft - Moderate Flood 455 ft - Major Flood

Latest Observation: Monday July 20th, 2026 12:00 PM CDT
River Status: Normal

  Height Flow
Currently 439.96 ft 24.9 kcfs
Record 456.57 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Monday 07/20/2026 07:00 PM 439.80 N/A
  Tuesday 07/21/2026 01:00 AM 439.60 N/A
  Tuesday 07/21/2026 07:00 AM 439.50 N/A
  Tuesday 07/21/2026 01:00 PM 439.30 N/A
  Tuesday 07/21/2026 07:00 PM 439.10 N/A
  Wednesday 07/22/2026 01:00 AM 438.90 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 07/18/2026 08:00 PM 441.01 N/A
Saturday 07/18/2026 10:00 PM 440.95 N/A
Sunday 07/19/2026 12:00 AM 440.91 N/A
Sunday 07/19/2026 02:00 AM 440.88 N/A
Sunday 07/19/2026 04:00 AM 440.85 N/A
Sunday 07/19/2026 06:00 AM 440.83 N/A
Sunday 07/19/2026 08:00 AM 440.79 N/A
Sunday 07/19/2026 10:00 AM 440.73 N/A
Sunday 07/19/2026 12:00 PM 440.69 N/A
Sunday 07/19/2026 02:00 PM 440.63 N/A
Sunday 07/19/2026 04:00 PM 440.59 N/A
Sunday 07/19/2026 06:00 PM 440.56 N/A
Sunday 07/19/2026 08:00 PM 440.49 N/A
Sunday 07/19/2026 10:00 PM 440.41 N/A
Monday 07/20/2026 12:00 AM 440.36 N/A
Monday 07/20/2026 02:00 AM 440.25 N/A
Monday 07/20/2026 04:00 AM 440.20 N/A
Monday 07/20/2026 06:00 AM 440.15 N/A
Monday 07/20/2026 08:00 AM 440.09 N/A
Monday 07/20/2026 10:00 AM 440.02 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