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 March 31st, 2026 10:00 PM CDT
River Status: Normal

  Height Flow
Currently 436.07 ft 17.3 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 03/31/2026 07:00 PM 435.70 14.60
  Wednesday 04/01/2026 01:00 AM 435.90 16.00
  Wednesday 04/01/2026 07:00 AM 435.90 16.00
  Wednesday 04/01/2026 01:00 PM 436.00 16.70
  Wednesday 04/01/2026 07:00 PM 436.10 17.50
  Thursday 04/02/2026 01:00 AM 436.00 16.70

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 03/30/2026 06:00 AM 435.55 13.60
Monday 03/30/2026 08:00 AM 435.59 13.80
Monday 03/30/2026 10:00 AM 435.62 14.00
Monday 03/30/2026 12:00 PM 435.47 13.10
Monday 03/30/2026 02:00 PM 435.46 13.00
Monday 03/30/2026 04:00 PM 435.41 12.70
Monday 03/30/2026 06:00 PM 435.28 12.00
Monday 03/30/2026 08:00 PM 435.04 10.70
Monday 03/30/2026 10:00 PM 434.98 10.50
Tuesday 03/31/2026 12:00 AM 434.96 10.40
Tuesday 03/31/2026 02:00 AM 434.90 10.30
Tuesday 03/31/2026 04:00 AM 434.88 10.20
Tuesday 03/31/2026 06:00 AM 435.07 10.90
Tuesday 03/31/2026 08:00 AM 435.40 12.70
Tuesday 03/31/2026 10:00 AM 435.56 13.60
Tuesday 03/31/2026 12:00 PM 435.67 14.40
Tuesday 03/31/2026 02:00 PM 435.70 14.60
Tuesday 03/31/2026 04:00 PM 435.87 15.80
Tuesday 03/31/2026 06:00 PM 435.94 16.30
Tuesday 03/31/2026 08:00 PM 436.00 16.70

Hydrograph

Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org