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: Tuesday May 19th, 2026 10:00 PM CDT
River Status: Normal

  Height Flow
Currently 434.64 ft 9.71 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
  Tuesday 05/19/2026 07:00 PM 433.60 N/A
  Wednesday 05/20/2026 01:00 AM 433.40 N/A
  Wednesday 05/20/2026 07:00 AM 433.50 N/A
  Wednesday 05/20/2026 01:00 PM 433.80 N/A
  Wednesday 05/20/2026 07:00 PM 434.20 N/A
  Thursday 05/21/2026 01:00 AM 434.50 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 05/18/2026 06:00 AM 433.85 N/A
Monday 05/18/2026 08:00 AM 433.84 N/A
Monday 05/18/2026 10:00 AM 433.83 N/A
Monday 05/18/2026 12:00 PM 433.80 N/A
Monday 05/18/2026 02:00 PM 433.74 N/A
Monday 05/18/2026 04:00 PM 433.66 N/A
Monday 05/18/2026 06:00 PM 433.62 N/A
Monday 05/18/2026 08:00 PM 433.78 N/A
Monday 05/18/2026 10:00 PM 433.90 N/A
Tuesday 05/19/2026 12:00 AM 434.20 N/A
Tuesday 05/19/2026 02:00 AM 434.02 N/A
Tuesday 05/19/2026 04:00 AM 434.10 N/A
Tuesday 05/19/2026 06:00 AM 434.11 N/A
Tuesday 05/19/2026 08:00 AM 434.10 N/A
Tuesday 05/19/2026 10:00 AM 434.12 N/A
Tuesday 05/19/2026 12:00 PM 434.30 N/A
Tuesday 05/19/2026 02:00 PM 434.41 N/A
Tuesday 05/19/2026 04:00 PM 434.43 N/A
Tuesday 05/19/2026 06:00 PM 434.36 N/A
Tuesday 05/19/2026 08:00 PM 434.47 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