Illinois River At Lagrange Lock And Dam
| Stage Color Key | |||||
| 21 ft - Near Flood | 23 ft - Minor Flood | 27 ft - Moderate Flood | 29 ft - Major Flood | ||
Latest Observation:
Monday July 20th, 2026 07:00 PM CDT
River Status:
Normal
| Height | Flow | |
| Currently | 17.45 ft | 37.7 kcfs |
| Record | 34.66 ft | 126400 cfs |
| Observation | ||||
| Date (CDT) | Stage (ft) | Flow (kcfs) | ||
| Monday 07/20/2026 05:00 AM | 17.84 | N/A | ||
| Monday 07/20/2026 05:30 AM | 17.82 | N/A | ||
| Monday 07/20/2026 06:00 AM | 17.82 | N/A | ||
| Monday 07/20/2026 07:30 AM | 17.77 | N/A | ||
| Monday 07/20/2026 08:00 AM | 17.75 | N/A | ||
| Monday 07/20/2026 08:30 AM | 17.75 | N/A | ||
| Monday 07/20/2026 09:00 AM | 17.72 | N/A | ||
| Monday 07/20/2026 12:30 PM | 17.63 | N/A | ||
| Monday 07/20/2026 01:00 PM | 17.62 | N/A | ||
| Monday 07/20/2026 01:30 PM | 17.61 | N/A | ||
| Monday 07/20/2026 02:00 PM | 17.59 | N/A | ||
| Monday 07/20/2026 02:30 PM | 17.57 | N/A | ||
| Monday 07/20/2026 03:00 PM | 17.58 | N/A | ||
| Monday 07/20/2026 03:30 PM | 17.57 | N/A | ||
| Monday 07/20/2026 04:00 PM | 17.56 | N/A | ||
| Monday 07/20/2026 04:30 PM | 17.53 | N/A | ||
| Monday 07/20/2026 05:00 PM | 17.51 | N/A | ||
| Monday 07/20/2026 05:30 PM | 17.50 | N/A | ||
| Monday 07/20/2026 06:00 PM | 17.47 | N/A | ||
| Monday 07/20/2026 06:30 PM | 17.48 | N/A | ||
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org