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: Thursday July 23rd, 2026 04:00 PM CDT
River Status: Normal

  Height Flow
Currently 434.84 ft 10.1 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
  Thursday 07/23/2026 07:00 PM 435.50 N/A
  Friday 07/24/2026 01:00 AM 435.30 N/A
  Friday 07/24/2026 07:00 AM 435.10 N/A
  Friday 07/24/2026 01:00 PM 434.90 N/A
  Friday 07/24/2026 07:00 PM 434.80 N/A
  Saturday 07/25/2026 01:00 AM 434.70 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 07/22/2026 12:00 AM 439.08 N/A
Wednesday 07/22/2026 02:00 AM 439.02 N/A
Wednesday 07/22/2026 04:00 AM 439.02 N/A
Wednesday 07/22/2026 06:00 AM 438.88 N/A
Wednesday 07/22/2026 08:00 AM 438.82 N/A
Wednesday 07/22/2026 10:00 AM 438.75 N/A
Wednesday 07/22/2026 12:00 PM 438.65 N/A
Wednesday 07/22/2026 02:00 PM 438.61 N/A
Wednesday 07/22/2026 04:00 PM 438.45 N/A
Wednesday 07/22/2026 06:00 PM 437.84 N/A
Wednesday 07/22/2026 08:00 PM 437.16 N/A
Wednesday 07/22/2026 10:00 PM 436.97 N/A
Thursday 07/23/2026 12:00 AM 436.60 N/A
Thursday 07/23/2026 02:00 AM 436.46 N/A
Thursday 07/23/2026 04:00 AM 436.10 N/A
Thursday 07/23/2026 06:00 AM 435.82 N/A
Thursday 07/23/2026 08:00 AM 435.70 N/A
Thursday 07/23/2026 10:00 AM 435.40 N/A
Thursday 07/23/2026 12:00 PM 435.23 N/A
Thursday 07/23/2026 02:00 PM 435.08 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