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 August 31st, 2025 06:00 PM CDT
River Status:
Normal
| |
Height |
Flow |
| Currently |
8.34 ft |
10.6 kcfs |
| Record |
34.66 ft |
126400 cfs |
| Forecast |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 12/31/1969 06:00 PM |
0.00 |
N/A |
|
|
Sunday 08/31/2025 07:00 PM |
8.30 |
10.50 |
|
|
Monday 09/01/2025 01:00 AM |
8.20 |
10.10 |
|
|
Monday 09/01/2025 07:00 AM |
8.20 |
10.10 |
|
|
Monday 09/01/2025 01:00 PM |
8.10 |
9.75 |
|
|
Monday 09/01/2025 07:00 PM |
8.10 |
9.75 |
|
|
Tuesday 09/02/2025 01:00 AM |
7.90 |
9.29 |
| Observation |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Sunday 08/31/2025 08:00 AM |
-9,999.00 |
N/A |
|
|
Sunday 08/31/2025 08:30 AM |
-9,999.00 |
N/A |
|
|
Sunday 08/31/2025 09:00 AM |
8.46 |
11.10 |
|
|
Sunday 08/31/2025 09:30 AM |
8.46 |
11.10 |
|
|
Sunday 08/31/2025 10:00 AM |
8.44 |
11.00 |
|
|
Sunday 08/31/2025 10:30 AM |
8.39 |
10.80 |
|
|
Sunday 08/31/2025 11:00 AM |
8.37 |
10.80 |
|
|
Sunday 08/31/2025 11:30 AM |
-9,999.00 |
N/A |
|
|
Sunday 08/31/2025 12:00 PM |
8.37 |
10.80 |
|
|
Sunday 08/31/2025 12:30 PM |
8.37 |
10.80 |
|
|
Sunday 08/31/2025 01:00 PM |
8.37 |
10.80 |
|
|
Sunday 08/31/2025 01:30 PM |
8.40 |
10.90 |
|
|
Sunday 08/31/2025 02:00 PM |
8.36 |
10.70 |
|
|
Sunday 08/31/2025 02:30 PM |
8.32 |
10.60 |
|
|
Sunday 08/31/2025 03:00 PM |
8.34 |
10.60 |
|
|
Sunday 08/31/2025 03:30 PM |
8.32 |
10.60 |
|
|
Sunday 08/31/2025 04:00 PM |
8.33 |
10.60 |
|
|
Sunday 08/31/2025 04:30 PM |
8.33 |
10.60 |
|
|
Sunday 08/31/2025 05:00 PM |
8.80 |
12.00 |
|
|
Sunday 08/31/2025 05:30 PM |
8.35 |
10.70 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org