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:
Sunday January 4th, 2026 10:00 PM CST
River Status:
Normal
| |
Height |
Flow |
| Currently |
9.69 ft |
14.1 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 |
|
|
Sunday 01/04/2026 06:00 PM |
9.50 |
13.50 |
|
|
Monday 01/05/2026 12:00 AM |
9.40 |
13.30 |
|
|
Monday 01/05/2026 06:00 AM |
9.30 |
13.10 |
|
|
Monday 01/05/2026 12:00 PM |
9.10 |
12.70 |
|
|
Monday 01/05/2026 06:00 PM |
9.00 |
12.50 |
|
|
Tuesday 01/06/2026 12:00 AM |
8.90 |
12.20 |
| Observation |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Sunday 01/04/2026 12:00 PM |
10.02 |
15.00 |
|
|
Sunday 01/04/2026 12:30 PM |
10.09 |
15.20 |
|
|
Sunday 01/04/2026 01:00 PM |
10.01 |
15.00 |
|
|
Sunday 01/04/2026 01:30 PM |
-9,999.00 |
N/A |
|
|
Sunday 01/04/2026 02:00 PM |
9.98 |
14.90 |
|
|
Sunday 01/04/2026 02:30 PM |
10.02 |
15.00 |
|
|
Sunday 01/04/2026 03:00 PM |
10.01 |
15.00 |
|
|
Sunday 01/04/2026 03:30 PM |
10.01 |
15.00 |
|
|
Sunday 01/04/2026 04:00 PM |
10.01 |
15.00 |
|
|
Sunday 01/04/2026 04:30 PM |
10.04 |
15.00 |
|
|
Sunday 01/04/2026 05:00 PM |
9.97 |
14.80 |
|
|
Sunday 01/04/2026 05:30 PM |
9.94 |
14.80 |
|
|
Sunday 01/04/2026 06:00 PM |
9.88 |
14.60 |
|
|
Sunday 01/04/2026 06:30 PM |
9.89 |
14.60 |
|
|
Sunday 01/04/2026 07:00 PM |
-9,999.00 |
N/A |
|
|
Sunday 01/04/2026 07:30 PM |
9.85 |
14.50 |
|
|
Sunday 01/04/2026 08:00 PM |
9.89 |
14.60 |
|
|
Sunday 01/04/2026 08:30 PM |
9.80 |
14.40 |
|
|
Sunday 01/04/2026 09:00 PM |
9.77 |
14.30 |
|
|
Sunday 01/04/2026 09:30 PM |
9.70 |
14.10 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org