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 January 28th, 2026 09:00 AM CST
River Status:
Normal
| |
Height |
Flow |
| Currently |
8.57 ft |
11.4 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 01/28/2026 06:00 PM |
8.60 |
11.50 |
|
|
Thursday 01/29/2026 12:00 AM |
8.60 |
11.50 |
|
|
Thursday 01/29/2026 06:00 AM |
8.60 |
11.50 |
|
|
Thursday 01/29/2026 12:00 PM |
8.60 |
11.50 |
|
|
Thursday 01/29/2026 06:00 PM |
8.60 |
11.50 |
|
|
Friday 01/30/2026 12:00 AM |
8.60 |
11.50 |
| Observation |
| |
Date (CST) |
Stage (ft) |
Flow (kcfs) |
|
|
Monday 01/26/2026 02:00 AM |
8.48 |
11.20 |
|
|
Monday 01/26/2026 02:30 AM |
8.47 |
11.20 |
|
|
Monday 01/26/2026 03:00 AM |
8.47 |
11.20 |
|
|
Monday 01/26/2026 03:30 AM |
-9,999.00 |
N/A |
|
|
Monday 01/26/2026 04:00 AM |
-9,999.00 |
N/A |
|
|
Monday 01/26/2026 04:30 AM |
-9,999.00 |
N/A |
|
|
Monday 01/26/2026 05:00 AM |
8.48 |
11.20 |
|
|
Monday 01/26/2026 05:30 AM |
8.44 |
11.00 |
|
|
Monday 01/26/2026 06:00 AM |
8.41 |
10.90 |
|
|
Monday 01/26/2026 06:30 AM |
8.39 |
10.80 |
|
|
Monday 01/26/2026 07:00 AM |
8.39 |
10.80 |
|
|
Monday 01/26/2026 07:30 AM |
8.37 |
10.80 |
|
|
Monday 01/26/2026 08:00 AM |
8.41 |
10.90 |
|
|
Monday 01/26/2026 08:30 AM |
8.30 |
10.50 |
|
|
Monday 01/26/2026 09:00 AM |
8.27 |
10.40 |
|
|
Wednesday 01/28/2026 07:30 AM |
-9,999.00 |
N/A |
|
|
Wednesday 01/28/2026 08:00 AM |
-9,999.00 |
N/A |
|
|
Wednesday 01/28/2026 08:30 AM |
8.57 |
11.40 |
|
|
Wednesday 01/28/2026 09:00 AM |
8.57 |
11.40 |
|
|
Wednesday 01/28/2026 09:30 AM |
8.57 |
11.40 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org