Illinois River At Peoria

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Stage Color Key
17 ft - Near Flood 18 ft - Minor Flood 22 ft - Moderate Flood 28 ft - Major Flood

Latest Observation: Saturday July 11th, 2026 12:45 AM CDT
River Status: Minor Flooding

  Height Flow
Currently 18.11 ft 37.4 kcfs
Record 29.35 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Saturday 07/11/2026 07:00 AM 17.90 N/A
  Saturday 07/11/2026 01:00 PM 17.70 N/A
  Saturday 07/11/2026 07:00 PM 17.60 N/A
  Sunday 07/12/2026 01:00 AM 17.40 N/A
  Sunday 07/12/2026 07:00 AM 17.30 N/A
  Sunday 07/12/2026 01:00 PM 17.20 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 07/10/2026 07:45 PM 18.18 N/A
Friday 07/10/2026 08:00 PM 18.15 N/A
Friday 07/10/2026 08:15 PM 18.12 N/A
Friday 07/10/2026 08:30 PM 18.10 N/A
Friday 07/10/2026 08:45 PM 18.11 N/A
Friday 07/10/2026 09:00 PM 18.11 N/A
Friday 07/10/2026 09:15 PM 18.13 N/A
Friday 07/10/2026 09:30 PM 18.14 N/A
Friday 07/10/2026 09:45 PM 18.15 N/A
Friday 07/10/2026 10:00 PM 18.16 N/A
Friday 07/10/2026 10:15 PM 18.16 N/A
Friday 07/10/2026 10:30 PM 18.14 N/A
Friday 07/10/2026 10:45 PM 18.14 N/A
Friday 07/10/2026 11:00 PM 18.14 N/A
Friday 07/10/2026 11:15 PM 18.11 N/A
Friday 07/10/2026 11:30 PM 18.10 N/A
Friday 07/10/2026 11:45 PM 18.10 N/A
Saturday 07/11/2026 12:00 AM 18.08 N/A
Saturday 07/11/2026 12:15 AM 18.09 N/A
Saturday 07/11/2026 12:30 AM 18.09 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