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:
Thursday April 16th, 2026 02:00 PM CDT
River Status:
Normal
| |
Height |
Flow |
| Currently |
19.52 ft |
44.8 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 |
|
|
Thursday 04/16/2026 07:00 PM |
19.60 |
45.30 |
|
|
Friday 04/17/2026 01:00 AM |
19.60 |
45.30 |
|
|
Friday 04/17/2026 07:00 AM |
19.60 |
45.30 |
|
|
Friday 04/17/2026 01:00 PM |
19.60 |
45.30 |
|
|
Friday 04/17/2026 07:00 PM |
19.60 |
45.30 |
|
|
Saturday 04/18/2026 01:00 AM |
19.50 |
44.70 |
| Observation |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Thursday 04/16/2026 05:00 AM |
19.58 |
N/A |
|
|
Thursday 04/16/2026 05:30 AM |
19.58 |
N/A |
|
|
Thursday 04/16/2026 06:00 AM |
19.57 |
N/A |
|
|
Thursday 04/16/2026 06:30 AM |
19.58 |
N/A |
|
|
Thursday 04/16/2026 07:00 AM |
19.58 |
N/A |
|
|
Thursday 04/16/2026 07:30 AM |
19.59 |
N/A |
|
|
Thursday 04/16/2026 08:00 AM |
19.57 |
N/A |
|
|
Thursday 04/16/2026 08:30 AM |
19.57 |
N/A |
|
|
Thursday 04/16/2026 09:00 AM |
19.56 |
N/A |
|
|
Thursday 04/16/2026 09:30 AM |
19.57 |
N/A |
|
|
Thursday 04/16/2026 10:00 AM |
19.56 |
N/A |
|
|
Thursday 04/16/2026 10:30 AM |
19.54 |
N/A |
|
|
Thursday 04/16/2026 11:00 AM |
19.56 |
N/A |
|
|
Thursday 04/16/2026 11:30 AM |
19.53 |
N/A |
|
|
Thursday 04/16/2026 12:00 PM |
19.54 |
N/A |
|
|
Thursday 04/16/2026 12:30 PM |
19.53 |
N/A |
|
|
Thursday 04/16/2026 01:00 PM |
19.53 |
N/A |
|
|
Thursday 04/16/2026 01:30 PM |
19.54 |
N/A |
|
|
Thursday 04/16/2026 02:00 PM |
19.52 |
N/A |
|
|
Thursday 04/16/2026 02:30 PM |
19.52 |
N/A |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org