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:
Monday July 27th, 2026 03:00 PM CDT
River Status:
Normal
| |
Height |
Flow |
| Currently |
9.6 ft |
13.8 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 |
|
|
Monday 07/27/2026 07:00 PM |
9.60 |
N/A |
|
|
Tuesday 07/28/2026 01:00 AM |
9.60 |
N/A |
|
|
Tuesday 07/28/2026 07:00 AM |
9.50 |
N/A |
|
|
Tuesday 07/28/2026 01:00 PM |
9.40 |
N/A |
|
|
Tuesday 07/28/2026 07:00 PM |
9.40 |
N/A |
|
|
Wednesday 07/29/2026 01:00 AM |
9.30 |
N/A |
| Observation |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Monday 07/27/2026 04:00 AM |
9.91 |
N/A |
|
|
Monday 07/27/2026 04:30 AM |
9.88 |
N/A |
|
|
Monday 07/27/2026 05:00 AM |
9.90 |
N/A |
|
|
Monday 07/27/2026 05:30 AM |
10.56 |
N/A |
|
|
Monday 07/27/2026 06:00 AM |
9.86 |
N/A |
|
|
Monday 07/27/2026 06:30 AM |
9.88 |
N/A |
|
|
Monday 07/27/2026 07:00 AM |
9.82 |
N/A |
|
|
Monday 07/27/2026 07:30 AM |
9.88 |
N/A |
|
|
Monday 07/27/2026 08:00 AM |
9.75 |
N/A |
|
|
Monday 07/27/2026 08:30 AM |
9.88 |
N/A |
|
|
Monday 07/27/2026 09:00 AM |
9.95 |
N/A |
|
|
Monday 07/27/2026 09:30 AM |
10.26 |
N/A |
|
|
Monday 07/27/2026 10:00 AM |
9.91 |
N/A |
|
|
Monday 07/27/2026 11:30 AM |
9.73 |
N/A |
|
|
Monday 07/27/2026 12:00 PM |
9.79 |
N/A |
|
|
Monday 07/27/2026 12:30 PM |
9.69 |
N/A |
|
|
Monday 07/27/2026 01:00 PM |
9.71 |
N/A |
|
|
Monday 07/27/2026 01:30 PM |
9.70 |
N/A |
|
|
Monday 07/27/2026 02:00 PM |
9.67 |
N/A |
|
|
Monday 07/27/2026 02:30 PM |
9.74 |
N/A |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org