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 August 4th, 2026 08:00 PM CDT
River Status: Normal

  Height Flow
Currently 439.12 ft 23.7 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 08/04/2026 07:00 PM 439.10 N/A
  Wednesday 08/05/2026 01:00 AM 439.10 N/A
  Wednesday 08/05/2026 07:00 AM 439.10 N/A
  Wednesday 08/05/2026 01:00 PM 439.10 N/A
  Wednesday 08/05/2026 07:00 PM 439.10 N/A
  Thursday 08/06/2026 01:00 AM 439.10 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 08/03/2026 04:00 AM 436.20 N/A
Monday 08/03/2026 06:00 AM 436.32 N/A
Monday 08/03/2026 08:00 AM 436.34 N/A
Monday 08/03/2026 10:00 AM 436.42 N/A
Monday 08/03/2026 12:00 PM 436.48 N/A
Monday 08/03/2026 02:00 PM 436.45 N/A
Monday 08/03/2026 04:00 PM 436.49 N/A
Monday 08/03/2026 06:00 PM 436.59 N/A
Monday 08/03/2026 08:00 PM 440.69 N/A
Monday 08/03/2026 10:00 PM 440.02 N/A
Tuesday 08/04/2026 12:00 AM 439.06 N/A
Tuesday 08/04/2026 02:00 AM 438.67 N/A
Tuesday 08/04/2026 04:00 AM 438.97 N/A
Tuesday 08/04/2026 06:00 AM 438.98 N/A
Tuesday 08/04/2026 08:00 AM 439.01 N/A
Tuesday 08/04/2026 10:00 AM 439.05 N/A
Tuesday 08/04/2026 12:00 PM 439.08 N/A
Tuesday 08/04/2026 02:00 PM 439.11 N/A
Tuesday 08/04/2026 04:00 PM 439.09 N/A
Tuesday 08/04/2026 06:00 PM 439.10 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