Lake Koocanusa water level today
Reservoir in Lincoln, Montana · Kootenai River
2,443.98ft
744.93 m · NGVD29
Measured · provisional
Normal for the dateSteady
What this means
It is lower than on Oct 21 in 6 of the last 10 years.
The lake has fallen 0.10 ft in 7 days and fallen 0.76 ft in 30 days.
Since 1989, the lowest daily level was 2,305.27 ft (Apr 1991) and the highest 2,459.95 ft (Jul 2012).
Lake Koocanusa 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 | 2,444.63 ft | ▲ 0.65 ft |
| Oct 21, 2024 | 2,447.31 ft | ▲ 3.33 ft |
| Oct 21, 2023 | 2,438.22 ft | ▼ 5.76 ft |
| Oct 21, 2022 | 2,448.35 ft | ▲ 4.37 ft |
| Oct 21, 2021 | 2,449.26 ft | ▲ 5.28 ft |
| Oct 21, 2020 | 2,446.35 ft | ▲ 2.37 ft |
| Oct 21, 2019 | 2,442.98 ft | ▼ 1.00 ft |
| Oct 21, 2018 | 2,441.91 ft | ▼ 2.07 ft |
| Oct 21, 2017 | 2,441.84 ft | ▼ 2.14 ft |
| Oct 21, 2016 | 2,449.47 ft | ▲ 5.49 ft |
Records & details
- Highest
- 2,459.95 ft on Jul 16, 2012
- Lowest
- 2,305.27 ft on Apr 4, 1991
- Records from
- 1989 (37 years of daily data)
- Inflow
- 3,340 cfs (94.6 m³/s)
- Outflow
- 4,000 cfs (113.3 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon69°F · Mostly Sunny
Wind SW 1 mph
Wind SW 1 mph
Tonight37°F · Mostly Clear
Wind NE 1 mph
Wind NE 1 mph
Thursday68°F · Mostly Sunny
Wind N 1 mph
Wind N 1 mph
Thursday Night44°F · Light Rain
Wind NW 1 mph
Wind NW 1 mph
Friday56°F · Light Rain
Wind WNW 3 mph
Wind WNW 3 mph
Friday Night31°F · Chance Light Rain then Mostly Cloudy
Wind SW 2 mph
Wind SW 2 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.