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:
Friday February 27th, 2026 12:00 PM CST
River Status:
Normal
| |
Height |
Flow |
| Currently |
6.87 ft |
5.48 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 |
|
|
Friday 02/27/2026 06:00 PM |
7.30 |
7.07 |
|
|
Saturday 02/28/2026 12:00 AM |
7.30 |
7.07 |
|
|
Saturday 02/28/2026 06:00 AM |
7.30 |
7.07 |
|
|
Saturday 02/28/2026 12:00 PM |
7.40 |
7.91 |
|
|
Saturday 02/28/2026 06:00 PM |
7.40 |
7.91 |
|
|
Sunday 03/01/2026 12:00 AM |
7.40 |
7.91 |
| Observation |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 02/25/2026 08:00 PM |
6.84 |
5.41 |
|
|
Wednesday 02/25/2026 10:00 PM |
6.92 |
5.60 |
|
|
Thursday 02/26/2026 12:00 AM |
7.00 |
5.79 |
|
|
Thursday 02/26/2026 02:00 AM |
7.29 |
6.99 |
|
|
Thursday 02/26/2026 04:00 AM |
7.08 |
5.99 |
|
|
Thursday 02/26/2026 06:00 AM |
7.10 |
6.04 |
|
|
Thursday 02/26/2026 08:00 AM |
7.10 |
6.04 |
|
|
Thursday 02/26/2026 10:00 AM |
7.22 |
6.45 |
|
|
Thursday 02/26/2026 12:00 PM |
7.52 |
8.87 |
|
|
Thursday 02/26/2026 02:00 PM |
7.42 |
8.09 |
|
|
Thursday 02/26/2026 04:00 PM |
7.40 |
7.91 |
|
|
Thursday 02/26/2026 06:00 PM |
7.40 |
7.91 |
|
|
Thursday 02/26/2026 08:00 PM |
7.35 |
7.48 |
|
|
Thursday 02/26/2026 10:00 PM |
7.33 |
7.31 |
|
|
Friday 02/27/2026 12:00 AM |
7.33 |
7.31 |
|
|
Friday 02/27/2026 02:00 AM |
7.32 |
7.23 |
|
|
Friday 02/27/2026 04:00 AM |
7.30 |
7.07 |
|
|
Friday 02/27/2026 06:00 AM |
7.31 |
7.15 |
|
|
Friday 02/27/2026 08:00 AM |
7.25 |
6.67 |
|
|
Friday 02/27/2026 10:00 AM |
7.19 |
6.27 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org