Dresden Island Pool water level today
Reservoir in Grundy, Illinois · Illinois River
504.81ft
153.87 m · NGVD29
Measured · provisional
Much below normal for the dateSteady
What this means
It is lower than on Oct 21 in 9 of the last 10 years.
The lake has risen 0.17 ft in 7 days and fallen 0.03 ft in 30 days.
Since 2011, the lowest daily level was 504.52 ft (Sep 2020) and the highest 1,656.28 ft (Mar 2011).
Dresden Island Pool 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 | 504.81 ft | 0.00 ft |
| Oct 21, 2024 | 505.04 ft | ▲ 0.23 ft |
| Oct 21, 2023 | 504.84 ft | ▲ 0.03 ft |
| Oct 21, 2022 | 504.91 ft | ▲ 0.10 ft |
| Oct 21, 2021 | 504.84 ft | ▲ 0.03 ft |
| Oct 21, 2020 | 504.80 ft | ▼ 0.01 ft |
| Oct 21, 2019 | 504.85 ft | ▲ 0.04 ft |
| Oct 21, 2018 | 504.90 ft | ▲ 0.09 ft |
| Oct 21, 2017 | 504.91 ft | ▲ 0.10 ft |
| Oct 21, 2016 | 504.87 ft | ▲ 0.06 ft |
Records & details
- Highest
- 1,656.28 ft on Mar 31, 2011
- Lowest
- 504.52 ft on Sep 27, 2020
- Records from
- 2011 (16 years of daily data)
- Outflow
- 5,047 cfs (142.9 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon74°F · Sunny
Wind 0 mph
Wind 0 mph
Tonight45°F · Mostly Clear then Patchy Fog
Wind 0 mph
Wind 0 mph
Thursday75°F · Patchy Fog then Sunny
Wind NNE 0 to 5 mph
Wind NNE 0 to 5 mph
Thursday Night46°F · Mostly Clear
Wind ENE 0 to 5 mph
Wind ENE 0 to 5 mph
Friday74°F · Sunny
Wind SE 0 to 5 mph
Wind SE 0 to 5 mph
Friday Night47°F · Mostly Clear
Wind SE 5 mph
Wind SE 5 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.