Illinois River Near La Salle
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| Stage Color Key |
| 19 ft - Near Flood |
20 ft - Minor Flood |
27 ft - Moderate Flood |
31 ft - Major Flood |
Latest Observation:
Wednesday August 19th, 2026 10:45 AM CDT
River Status:
Minor Flooding
| |
Height |
Flow |
| Currently |
20.01 ft |
40.5 kcfs |
| Record |
34.44 ft |
N/A |
| Forecast |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 12/31/1969 06:00 PM |
0.00 |
N/A |
|
|
Wednesday 08/19/2026 07:00 PM |
19.70 |
39.00 |
|
|
Thursday 08/20/2026 01:00 AM |
19.50 |
37.90 |
|
|
Thursday 08/20/2026 07:00 AM |
19.30 |
37.00 |
|
|
Thursday 08/20/2026 01:00 PM |
19.00 |
35.50 |
|
|
Thursday 08/20/2026 07:00 PM |
18.80 |
34.90 |
|
|
Friday 08/21/2026 01:00 AM |
18.60 |
34.30 |
| Observation |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Wednesday 08/19/2026 06:45 AM |
20.11 |
40.90 |
|
|
Wednesday 08/19/2026 07:00 AM |
20.10 |
40.90 |
|
|
Wednesday 08/19/2026 07:15 AM |
20.10 |
40.90 |
|
|
Wednesday 08/19/2026 07:30 AM |
20.09 |
40.90 |
|
|
Wednesday 08/19/2026 07:45 AM |
20.08 |
40.80 |
|
|
Wednesday 08/19/2026 08:00 AM |
20.08 |
40.80 |
|
|
Wednesday 08/19/2026 08:15 AM |
20.07 |
40.80 |
|
|
Wednesday 08/19/2026 08:30 AM |
20.06 |
40.70 |
|
|
Wednesday 08/19/2026 08:45 AM |
20.08 |
40.80 |
|
|
Wednesday 08/19/2026 09:00 AM |
20.06 |
40.70 |
|
|
Wednesday 08/19/2026 09:15 AM |
20.04 |
40.70 |
|
|
Wednesday 08/19/2026 09:30 AM |
20.07 |
40.80 |
|
|
Wednesday 08/19/2026 09:45 AM |
20.02 |
40.60 |
|
|
Wednesday 08/19/2026 10:00 AM |
20.02 |
40.60 |
|
|
Wednesday 08/19/2026 10:15 AM |
20.03 |
40.60 |
|
|
Wednesday 08/19/2026 10:30 AM |
20.02 |
40.60 |
|
|
Wednesday 08/19/2026 10:45 AM |
20.01 |
40.50 |
|
|
Wednesday 08/19/2026 11:00 AM |
20.01 |
40.50 |
|
|
Wednesday 08/19/2026 11:15 AM |
20.00 |
40.50 |
|
|
Wednesday 08/19/2026 11:30 AM |
19.99 |
40.40 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org