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:
Tuesday April 28th, 2026 01:00 PM CDT
River Status:
Near Flood Stage
| |
Height |
Flow |
| Currently |
21.89 ft |
53.8 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 |
|
|
Tuesday 04/28/2026 07:00 PM |
21.90 |
N/A |
|
|
Wednesday 04/29/2026 01:00 AM |
22.10 |
N/A |
|
|
Wednesday 04/29/2026 07:00 AM |
22.30 |
N/A |
|
|
Wednesday 04/29/2026 01:00 PM |
22.70 |
N/A |
|
|
Wednesday 04/29/2026 07:00 PM |
23.00 |
N/A |
|
|
Thursday 04/30/2026 01:00 AM |
23.10 |
N/A |
| Observation |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Tuesday 04/28/2026 04:00 AM |
21.60 |
N/A |
|
|
Tuesday 04/28/2026 04:30 AM |
21.61 |
N/A |
|
|
Tuesday 04/28/2026 05:00 AM |
21.63 |
N/A |
|
|
Tuesday 04/28/2026 05:30 AM |
-9,999.00 |
N/A |
|
|
Tuesday 04/28/2026 06:00 AM |
21.64 |
N/A |
|
|
Tuesday 04/28/2026 06:30 AM |
21.68 |
N/A |
|
|
Tuesday 04/28/2026 07:00 AM |
21.68 |
N/A |
|
|
Tuesday 04/28/2026 07:30 AM |
21.72 |
N/A |
|
|
Tuesday 04/28/2026 08:00 AM |
21.74 |
N/A |
|
|
Tuesday 04/28/2026 08:30 AM |
21.75 |
N/A |
|
|
Tuesday 04/28/2026 09:00 AM |
21.76 |
N/A |
|
|
Tuesday 04/28/2026 09:30 AM |
21.78 |
N/A |
|
|
Tuesday 04/28/2026 10:00 AM |
21.79 |
N/A |
|
|
Tuesday 04/28/2026 10:30 AM |
21.81 |
N/A |
|
|
Tuesday 04/28/2026 11:00 AM |
21.82 |
N/A |
|
|
Tuesday 04/28/2026 11:30 AM |
21.84 |
N/A |
|
|
Tuesday 04/28/2026 12:00 PM |
21.85 |
N/A |
|
|
Tuesday 04/28/2026 12:30 PM |
21.87 |
N/A |
|
|
Tuesday 04/28/2026 01:00 PM |
21.89 |
N/A |
|
|
Tuesday 04/28/2026 01:30 PM |
21.91 |
N/A |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org