Keyhole Reservoir water level today
Reservoir in Crook, Wyoming · Belle Fourche River
4,083.74ft
1,244.72 m · gauge reading (local datum, not an elevation)
Measured · provisional
Below normal for the dateSteady
What this means
Keyhole Reservoir is 15.56 ft below its full pool of 4,099.30 ft.
It is lower than on Oct 21 in every one of the last 10 years on record.
The lake has fallen 0.06 ft in 7 days and fallen 0.29 ft in 30 days.
Since 1989, the lowest daily level was 4,016.67 ft (Jan 1990) and the highest 4,101.99 ft (Mar 2019).
Keyhole Reservoir 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 | 4,089.27 ft | ▲ 5.53 ft |
| Oct 21, 2024 | 4,089.45 ft | ▲ 5.71 ft |
| Oct 21, 2023 | 4,092.18 ft | ▲ 8.44 ft |
| Oct 21, 2022 | 4,090.41 ft | ▲ 6.67 ft |
| Oct 21, 2021 | 4,091.92 ft | ▲ 8.18 ft |
| Oct 21, 2020 | 4,095.27 ft | ▲ 11.53 ft |
| Oct 21, 2019 | 4,096.96 ft | ▲ 13.22 ft |
| Oct 21, 2018 | 4,095.80 ft | ▲ 12.06 ft |
| Oct 21, 2017 | 4,090.75 ft | ▲ 7.01 ft |
| Oct 21, 2016 | 4,094.15 ft | ▲ 10.41 ft |
Records & details
- Highest
- 4,101.99 ft on Mar 29, 2019
- Lowest
- 4,016.67 ft on Jan 17, 1990
- Records from
- 1989 (37 years of daily data)
- Full pool
- 4,099.30 ft (top of conservation pool, U.S. Army Corps of Engineers)
- Storage
- 81,572 acre-ft
- Inflow
- 0.0 cfs (0.00 m³/s)
- Outflow
- 0.0 cfs (0.00 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon72°F · Sunny
Wind S 14 mph
Wind S 14 mph
Tonight47°F · Mostly Clear
Wind SE 7 to 15 mph
Wind SE 7 to 15 mph
Thursday78°F · Mostly Sunny
Wind S 6 to 10 mph
Wind S 6 to 10 mph
Thursday Night51°F · Mostly Cloudy
Wind SE 7 mph
Wind SE 7 mph
Friday79°F · Mostly Sunny
Wind S 7 to 25 mph
Wind S 7 to 25 mph
Friday Night31°F · Partly Cloudy
Wind W 14 to 18 mph
Wind W 14 to 18 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.