Illinois River Near La Salle

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Stage Color Key
19 ft - Near Flood 20 ft - Minor Flood 27 ft - Moderate Flood 31 ft - Major Flood

Latest Observation: Sunday April 19th, 2026 10:45 AM CDT
River Status: Minor Flooding

  Height Flow
Currently 21.5 ft 33.6 kcfs
Record 34.44 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Sunday 04/19/2026 07:00 PM 21.60 34.10
  Monday 04/20/2026 01:00 AM 21.60 34.10
  Monday 04/20/2026 07:00 AM 21.60 34.10
  Monday 04/20/2026 01:00 PM 21.60 34.10
  Monday 04/20/2026 07:00 PM 21.50 33.60
  Tuesday 04/21/2026 01:00 AM 21.40 33.20

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 04/19/2026 06:45 AM 21.48 33.50
Sunday 04/19/2026 07:00 AM 21.51 33.70
Sunday 04/19/2026 07:15 AM 21.50 33.60
Sunday 04/19/2026 07:30 AM 21.50 33.60
Sunday 04/19/2026 07:45 AM 21.51 33.70
Sunday 04/19/2026 08:00 AM 21.51 33.70
Sunday 04/19/2026 08:15 AM 21.51 33.70
Sunday 04/19/2026 08:30 AM 21.52 33.70
Sunday 04/19/2026 08:45 AM 21.49 33.60
Sunday 04/19/2026 09:00 AM 21.52 33.70
Sunday 04/19/2026 09:15 AM 21.48 33.50
Sunday 04/19/2026 09:30 AM 21.52 33.70
Sunday 04/19/2026 09:45 AM 21.50 33.60
Sunday 04/19/2026 10:00 AM 21.48 33.50
Sunday 04/19/2026 10:15 AM 21.51 33.70
Sunday 04/19/2026 10:30 AM 21.48 33.50
Sunday 04/19/2026 10:45 AM 21.50 33.60
Sunday 04/19/2026 11:00 AM 21.49 33.60
Sunday 04/19/2026 11:15 AM 21.50 33.60
Sunday 04/19/2026 11:30 AM 21.49 33.60

Hydrograph

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