Illinois River Lockport LD water level today
Reservoir in Will, Illinois · Chicago Sanitary & Ship Canal
576.30ft
175.66 m · NGVD29
Measured · provisional
Much above normal for the dateRising
What this means
It is higher than on Oct 21 in every one of the last 10 years on record.
The lake has risen 0.31 ft in 7 days and risen 2.77 ft in 30 days.
Since 2011, the lowest daily level was 0.00 ft (Feb 2012) and the highest 1,889.87 ft (Mar 2011).
Illinois River Lockport LD level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 575.93 ft | ▼ 0.37 ft |
| Oct 21, 2024 | 575.99 ft | ▼ 0.31 ft |
| Oct 21, 2023 | 575.84 ft | ▼ 0.46 ft |
| Oct 21, 2022 | 575.96 ft | ▼ 0.34 ft |
| Oct 21, 2021 | 575.66 ft | ▼ 0.64 ft |
| Oct 21, 2020 | 575.61 ft | ▼ 0.69 ft |
| Oct 21, 2019 | 575.31 ft | ▼ 0.99 ft |
| Oct 21, 2018 | 575.88 ft | ▼ 0.42 ft |
| Oct 21, 2017 | 575.49 ft | ▼ 0.81 ft |
| Oct 21, 2016 | 576.00 ft | ▼ 0.30 ft |
Records & details
- Highest
- 1,889.87 ft on Mar 31, 2011
- Lowest
- 0.00 ft on Feb 6, 2012
- Records from
- 2011 (16 years of daily data)
- Water temperature
- Not measured here
Weather & wind
This Afternoon73°F · Sunny
Wind 0 mph
Wind 0 mph
Tonight46°F · Mostly Clear then Patchy Fog
Wind 0 mph
Wind 0 mph
Thursday74°F · Patchy Fog then Sunny
Wind NNE 0 to 5 mph
Wind NNE 0 to 5 mph
Thursday Night47°F · Mostly Clear
Wind E 0 to 5 mph
Wind E 0 to 5 mph
Friday73°F · Sunny
Wind SE 0 to 5 mph
Wind SE 0 to 5 mph
Friday Night49°F · Partly Cloudy
Wind SE 5 mph
Wind SE 5 mph
NOAA National Weather Service forecast for this lake's location, updated 14 min ago.