Illinois River At Lagrange Lock And Dam
Back to River Summary
| Stage Color Key |
| 21 ft - Near Flood |
23 ft - Minor Flood |
27 ft - Moderate Flood |
29 ft - Major Flood |
Latest Observation:
Thursday November 20th, 2025 03:00 PM CST
River Status:
Normal
| |
Height |
Flow |
| Currently |
6.99 ft |
5.77 kcfs |
| Record |
34.66 ft |
126400 cfs |
| Forecast |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 12/31/1969 06:00 PM |
0.00 |
N/A |
|
|
Thursday 11/20/2025 06:00 PM |
6.90 |
5.55 |
|
|
Friday 11/21/2025 12:00 AM |
6.80 |
5.31 |
|
|
Friday 11/21/2025 06:00 AM |
6.70 |
5.09 |
|
|
Friday 11/21/2025 12:00 PM |
6.70 |
5.09 |
|
|
Friday 11/21/2025 06:00 PM |
6.70 |
5.09 |
|
|
Saturday 11/22/2025 12:00 AM |
6.70 |
5.09 |
| Observation |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Thursday 11/20/2025 05:00 AM |
7.34 |
7.39 |
|
|
Thursday 11/20/2025 05:30 AM |
7.33 |
7.31 |
|
|
Thursday 11/20/2025 06:00 AM |
7.35 |
7.48 |
|
|
Thursday 11/20/2025 06:30 AM |
7.19 |
6.27 |
|
|
Thursday 11/20/2025 07:00 AM |
7.18 |
6.25 |
|
|
Thursday 11/20/2025 07:30 AM |
7.14 |
6.15 |
|
|
Thursday 11/20/2025 08:00 AM |
7.20 |
6.30 |
|
|
Thursday 11/20/2025 08:30 AM |
7.24 |
6.60 |
|
|
Thursday 11/20/2025 09:00 AM |
7.10 |
6.04 |
|
|
Thursday 11/20/2025 09:30 AM |
7.10 |
6.04 |
|
|
Thursday 11/20/2025 10:00 AM |
7.08 |
5.99 |
|
|
Thursday 11/20/2025 10:30 AM |
7.09 |
6.02 |
|
|
Thursday 11/20/2025 11:00 AM |
7.11 |
6.07 |
|
|
Thursday 11/20/2025 11:30 AM |
-9,999.00 |
N/A |
|
|
Thursday 11/20/2025 12:00 PM |
7.07 |
5.97 |
|
|
Thursday 11/20/2025 12:30 PM |
7.08 |
5.99 |
|
|
Thursday 11/20/2025 01:00 PM |
-9,999.00 |
N/A |
|
|
Thursday 11/20/2025 01:30 PM |
7.02 |
5.84 |
|
|
Thursday 11/20/2025 02:00 PM |
7.01 |
5.82 |
|
|
Thursday 11/20/2025 02:30 PM |
7.02 |
5.84 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org