Illinois River At Lagrange Lock And Dam

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Stage Color Key
21 ft - Near Flood 23 ft - Minor Flood 27 ft - Moderate Flood 29 ft - Major Flood

Latest Observation: Saturday June 14th, 2025 11:00 AM CDT
River Status: Normal

  Height Flow
Currently 13.87 ft 24.3 kcfs
Record 34.66 ft 126400 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Saturday 06/14/2025 07:00 PM 12.50 21.70
  Sunday 06/15/2025 01:00 AM 12.30 21.30
  Sunday 06/15/2025 07:00 AM 12.20 21.10
  Sunday 06/15/2025 01:00 PM 12.00 20.70
  Sunday 06/15/2025 07:00 PM 11.90 20.60
  Monday 06/16/2025 01:00 AM 11.80 20.40

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 06/14/2025 01:00 AM 13.99 25.00
Saturday 06/14/2025 01:30 AM 13.98 24.90
Saturday 06/14/2025 02:00 AM 13.98 24.90
Saturday 06/14/2025 02:30 AM 13.97 24.80
Saturday 06/14/2025 03:00 AM 13.97 24.80
Saturday 06/14/2025 03:30 AM 13.97 24.80
Saturday 06/14/2025 04:00 AM 13.96 24.80
Saturday 06/14/2025 04:30 AM 13.95 24.70
Saturday 06/14/2025 05:00 AM 13.96 24.80
Saturday 06/14/2025 05:30 AM 13.95 24.70
Saturday 06/14/2025 06:00 AM 13.94 24.60
Saturday 06/14/2025 06:30 AM 13.94 24.60
Saturday 06/14/2025 07:00 AM 13.93 24.50
Saturday 06/14/2025 07:30 AM 13.93 24.50
Saturday 06/14/2025 08:00 AM 13.92 24.50
Saturday 06/14/2025 08:30 AM 13.90 24.30
Saturday 06/14/2025 09:00 AM 13.89 24.30
Saturday 06/14/2025 09:30 AM 13.88 24.30
Saturday 06/14/2025 10:00 AM 13.88 24.30
Saturday 06/14/2025 10:30 AM 13.87 24.30

Hydrograph

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