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 22nd, 2026 06:00 AM CDT
River Status: Normal

  Height Flow
Currently 439.18 ft 23.8 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 09/22/2026 07:00 PM 439.70 N/A
  Wednesday 09/23/2026 01:00 AM 439.90 N/A
  Wednesday 09/23/2026 07:00 AM 440.00 N/A
  Wednesday 09/23/2026 01:00 PM 440.10 N/A
  Wednesday 09/23/2026 07:00 PM 440.10 N/A
  Thursday 09/24/2026 01:00 AM 440.10 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 09/20/2026 02:00 PM 434.87 N/A
Sunday 09/20/2026 04:00 PM 434.98 N/A
Sunday 09/20/2026 06:00 PM 435.07 N/A
Sunday 09/20/2026 08:00 PM 435.29 N/A
Sunday 09/20/2026 10:00 PM 435.47 N/A
Monday 09/21/2026 12:00 AM 435.55 N/A
Monday 09/21/2026 02:00 AM 435.67 N/A
Monday 09/21/2026 04:00 AM 435.73 N/A
Monday 09/21/2026 06:00 AM 435.84 N/A
Monday 09/21/2026 08:00 AM 435.98 N/A
Monday 09/21/2026 10:00 AM 436.01 N/A
Monday 09/21/2026 12:00 PM 436.12 N/A
Monday 09/21/2026 02:00 PM 436.19 N/A
Monday 09/21/2026 04:00 PM 436.25 N/A
Monday 09/21/2026 06:00 PM 436.26 N/A
Monday 09/21/2026 08:00 PM 436.40 N/A
Monday 09/21/2026 10:00 PM 438.56 N/A
Tuesday 09/22/2026 12:00 AM 438.77 N/A
Tuesday 09/22/2026 02:00 AM 438.94 N/A
Tuesday 09/22/2026 04:00 AM 439.08 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