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 January 1st, 2026 05:00 AM CST
River Status:
Normal
| |
Height |
Flow |
| Currently |
9.73 ft |
14.2 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 12/31/2025 06:00 PM |
9.10 |
12.70 |
|
|
Thursday 01/01/2026 12:00 AM |
9.30 |
13.10 |
|
|
Thursday 01/01/2026 06:00 AM |
9.40 |
13.30 |
|
|
Thursday 01/01/2026 12:00 PM |
9.50 |
13.50 |
|
|
Thursday 01/01/2026 06:00 PM |
9.60 |
13.80 |
|
|
Friday 01/02/2026 12:00 AM |
9.70 |
14.10 |
| Observation |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 12/31/2025 07:00 PM |
9.17 |
12.80 |
|
|
Wednesday 12/31/2025 07:30 PM |
9.19 |
12.90 |
|
|
Wednesday 12/31/2025 08:00 PM |
9.21 |
12.90 |
|
|
Wednesday 12/31/2025 08:30 PM |
9.23 |
13.00 |
|
|
Wednesday 12/31/2025 09:00 PM |
9.24 |
13.00 |
|
|
Wednesday 12/31/2025 09:30 PM |
9.43 |
13.40 |
|
|
Wednesday 12/31/2025 10:00 PM |
9.29 |
13.10 |
|
|
Wednesday 12/31/2025 10:30 PM |
9.38 |
13.30 |
|
|
Wednesday 12/31/2025 11:00 PM |
9.38 |
13.30 |
|
|
Wednesday 12/31/2025 11:30 PM |
9.40 |
13.30 |
|
|
Thursday 01/01/2026 12:00 AM |
9.33 |
13.20 |
|
|
Thursday 01/01/2026 12:30 AM |
9.42 |
13.40 |
|
|
Thursday 01/01/2026 01:00 AM |
9.43 |
13.40 |
|
|
Thursday 01/01/2026 01:30 AM |
9.52 |
13.60 |
|
|
Thursday 01/01/2026 02:00 AM |
9.54 |
13.60 |
|
|
Thursday 01/01/2026 02:30 AM |
9.57 |
13.70 |
|
|
Thursday 01/01/2026 03:00 AM |
9.61 |
13.80 |
|
|
Thursday 01/01/2026 03:30 AM |
9.64 |
13.90 |
|
|
Thursday 01/01/2026 04:00 AM |
9.67 |
14.00 |
|
|
Thursday 01/01/2026 04:30 AM |
9.72 |
14.10 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org