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:
Wednesday December 17th, 2025 04:00 PM CST
River Status:
Normal
| |
Height |
Flow |
| Currently |
6.92 ft |
5.6 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 |
|
|
Wednesday 12/17/2025 06:00 PM |
7.00 |
5.79 |
|
|
Thursday 12/18/2025 12:00 AM |
7.00 |
5.79 |
|
|
Thursday 12/18/2025 06:00 AM |
7.10 |
6.04 |
|
|
Thursday 12/18/2025 12:00 PM |
7.20 |
6.30 |
|
|
Thursday 12/18/2025 06:00 PM |
7.30 |
7.07 |
|
|
Friday 12/19/2025 12:00 AM |
7.40 |
7.91 |
| Observation |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 12/17/2025 06:00 AM |
6.93 |
5.62 |
|
|
Wednesday 12/17/2025 06:30 AM |
6.93 |
5.62 |
|
|
Wednesday 12/17/2025 07:00 AM |
6.92 |
5.60 |
|
|
Wednesday 12/17/2025 07:30 AM |
6.91 |
5.57 |
|
|
Wednesday 12/17/2025 08:00 AM |
6.95 |
5.67 |
|
|
Wednesday 12/17/2025 08:30 AM |
6.95 |
5.67 |
|
|
Wednesday 12/17/2025 09:00 AM |
-9,999.00 |
N/A |
|
|
Wednesday 12/17/2025 09:30 AM |
6.94 |
5.65 |
|
|
Wednesday 12/17/2025 10:00 AM |
6.99 |
5.77 |
|
|
Wednesday 12/17/2025 10:30 AM |
7.14 |
6.15 |
|
|
Wednesday 12/17/2025 11:00 AM |
6.95 |
5.67 |
|
|
Wednesday 12/17/2025 11:30 AM |
6.92 |
5.60 |
|
|
Wednesday 12/17/2025 12:00 PM |
6.96 |
5.70 |
|
|
Wednesday 12/17/2025 12:30 PM |
6.95 |
5.67 |
|
|
Wednesday 12/17/2025 01:00 PM |
6.91 |
5.57 |
|
|
Wednesday 12/17/2025 01:30 PM |
6.91 |
5.57 |
|
|
Wednesday 12/17/2025 02:00 PM |
6.93 |
5.62 |
|
|
Wednesday 12/17/2025 02:30 PM |
8.18 |
10.00 |
|
|
Wednesday 12/17/2025 03:00 PM |
6.94 |
5.65 |
|
|
Wednesday 12/17/2025 03:30 PM |
6.89 |
5.53 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org