Illinois River At Peoria Lock And Dam

Back to River Summary

Stage Color Key
444 ft - Near Flood 447 ft - Minor Flood 449 ft - Moderate Flood 455 ft - Major Flood

Latest Observation: Thursday August 13th, 2026 10:00 PM CDT
River Status: Normal

  Height Flow
Currently 438.94 ft 23.5 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
  Friday 08/14/2026 07:00 AM 439.40 N/A
  Friday 08/14/2026 01:00 PM 439.80 N/A
  Friday 08/14/2026 07:00 PM 440.10 N/A
  Saturday 08/15/2026 01:00 AM 440.60 N/A
  Saturday 08/15/2026 07:00 AM 440.90 N/A
  Saturday 08/15/2026 01:00 PM 441.30 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 08/12/2026 06:00 AM 435.51 N/A
Wednesday 08/12/2026 08:00 AM 435.53 N/A
Wednesday 08/12/2026 10:00 AM 435.60 N/A
Wednesday 08/12/2026 12:00 PM 435.74 N/A
Wednesday 08/12/2026 02:00 PM 435.90 N/A
Wednesday 08/12/2026 04:00 PM 435.83 N/A
Wednesday 08/12/2026 06:00 PM 435.80 N/A
Wednesday 08/12/2026 08:00 PM 435.87 N/A
Wednesday 08/12/2026 10:00 PM 435.93 N/A
Thursday 08/13/2026 12:00 AM 436.08 N/A
Thursday 08/13/2026 02:00 AM 436.06 N/A
Thursday 08/13/2026 04:00 AM 436.20 N/A
Thursday 08/13/2026 06:00 AM 436.51 N/A
Thursday 08/13/2026 08:00 AM 436.26 N/A
Thursday 08/13/2026 10:00 AM 436.30 N/A
Thursday 08/13/2026 12:00 PM 436.35 N/A
Thursday 08/13/2026 02:00 PM 436.75 N/A
Thursday 08/13/2026 04:00 PM 438.75 N/A
Thursday 08/13/2026 06:00 PM 438.82 N/A
Thursday 08/13/2026 08:00 PM 438.88 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