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 September 1st, 2026 04:00 AM CDT
River Status: Normal

  Height Flow
Currently 439.85 ft 24.7 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
  Monday 08/31/2026 07:00 PM 439.10 N/A
  Tuesday 09/01/2026 01:00 AM 438.80 N/A
  Tuesday 09/01/2026 07:00 AM 438.70 N/A
  Tuesday 09/01/2026 01:00 PM 436.60 N/A
  Tuesday 09/01/2026 07:00 PM 436.00 N/A
  Wednesday 09/02/2026 01:00 AM 435.60 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 08/30/2026 12:00 PM 439.96 N/A
Sunday 08/30/2026 02:00 PM 439.90 N/A
Sunday 08/30/2026 04:00 PM 439.86 N/A
Sunday 08/30/2026 06:00 PM 439.81 N/A
Sunday 08/30/2026 08:00 PM 439.74 N/A
Sunday 08/30/2026 10:00 PM 439.70 N/A
Monday 08/31/2026 12:00 AM 439.61 N/A
Monday 08/31/2026 02:00 AM 439.56 N/A
Monday 08/31/2026 04:00 AM 439.49 N/A
Monday 08/31/2026 06:00 AM 439.45 N/A
Monday 08/31/2026 08:00 AM 439.35 N/A
Monday 08/31/2026 10:00 AM 439.30 N/A
Monday 08/31/2026 12:00 PM 439.18 N/A
Monday 08/31/2026 02:00 PM 439.12 N/A
Monday 08/31/2026 04:00 PM 439.08 N/A
Monday 08/31/2026 06:00 PM 439.05 N/A
Monday 08/31/2026 08:00 PM 439.01 N/A
Monday 08/31/2026 10:00 PM 438.89 N/A
Tuesday 09/01/2026 12:00 AM 439.92 N/A
Tuesday 09/01/2026 02:00 AM 439.87 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