Nav Project water level today
Reservoir in Randolph, Illinois · Kaskaskia River
368.46ft
112.31 m
Measured · provisional
Above normal for the dateSteady
What this means
Nav Project is 0.34 ft below its full pool of 368.80 ft.
It is lower than on Oct 21 in 2 of the last 10 years.
The lake has risen 0.08 ft in 7 days and risen 0.08 ft in 30 days.
Since 1989, the lowest daily level was 362.48 ft (Jan 2004) and the highest 393.87 ft (Aug 1993).
Nav Project level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Full pool
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 368.46 ft | 0.00 ft |
| Oct 21, 2024 | 368.25 ft | ▼ 0.21 ft |
| Oct 21, 2023 | 367.59 ft | ▼ 0.87 ft |
| Oct 21, 2022 | 368.20 ft | ▼ 0.26 ft |
| Oct 21, 2021 | 368.42 ft | ▼ 0.04 ft |
| Oct 21, 2020 | 368.41 ft | ▼ 0.05 ft |
| Oct 21, 2019 | 376.15 ft | ▲ 7.69 ft |
| Oct 21, 2018 | 376.84 ft | ▲ 8.38 ft |
| Oct 21, 2017 | 368.44 ft | ▼ 0.02 ft |
| Oct 21, 2016 | 368.37 ft | ▼ 0.09 ft |
Records & details
- Highest
- 393.87 ft on Aug 6, 1993
- Lowest
- 362.48 ft on Jan 6, 2004
- Records from
- 1989 (37 years of daily data)
- Full pool
- 368.80 ft (top of conservation pool, U.S. Army Corps of Engineers)
- Water temperature
- Not measured here
Weather & wind
This Afternoon75°F · Sunny
Wind NE 1 mph
Wind NE 1 mph
Tonight46°F · Mostly Clear then Areas Of Fog
Wind 0 mph
Wind 0 mph
Thursday77°F · Areas Of Fog then Sunny
Wind N 2 mph
Wind N 2 mph
Thursday Night47°F · Clear
Wind NE 1 mph
Wind NE 1 mph
Friday77°F · Sunny
Wind E 0 to 5 mph
Wind E 0 to 5 mph
Friday Night46°F · Mostly Clear
Wind SE 3 mph
Wind SE 3 mph
NOAA National Weather Service forecast for this lake's location, updated 14 min ago.