Lake levels
Hungry Horse Reservoir, MT
- water level
- 3544.64 ft
- Condition
- Low for this time of year
- 7-day change
- -1.41 ft
- 30-day change
- -5.22 ft
- 1-year change
- -2.24 ft
Reading as of 2026-09-30 | the U.S. Bureau of Reclamation
- Since yesterday
- -0.18 ft
- 7-day change
- -1.41 ft
- 30-day change
- -5.22 ft
- 1-year change
- -2.24 ft
- Record high
- 3559.81 ft
In brief
Hungry Horse Reservoir stood at 3,544.64 feet on Sep 30, 2026. That is lower than 88% of September readings since 2022.
Source: U.S. Bureau of Reclamation
Lake level timeline
Records and averages
| Current level | 3544.64 ft |
|---|---|
| Record high | 3559.81 ft (2026-06-24) |
| Record low | 3509.01 ft (2025-03-23) |
| Average of all readings | 3541.81 ft |
| Data span | 4 years (2,000 readings) |
Level schematic
Frequently asked questions
Is Hungry Horse Reservoir full right now?
As of 2026-09-30, Hungry Horse Reservoir sits at 3544.64 ft, which is low for this time of year. Over the past 30 days the level has fallen 5.22 ft.
What is the water level at Hungry Horse Reservoir today?
The most recent reading at Hungry Horse Reservoir is 3544.64 ft (2026-09-30), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Hungry Horse Reservoir has ever been?
The highest level for Hungry Horse Reservoir in our records is 3559.81 ft on 2026-06-24. The lowest is 3509.01 ft on 2025-03-23. Our record covers about 4 years of readings.
Is Hungry Horse Reservoir low for this time of year?
Compared with every September in our records, the current level is higher than 12% of them, which we classify as low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Hungry Horse Reservoir low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Hungry Horse Reservoir has fallen 5.22 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.
How much has Hungry Horse Reservoir changed over the past year?
Hungry Horse Reservoir is -2.24 ft compared with this date last year (3544.64 ft today). The full-history chart above covers 4 years, with a record high of 3559.81 ft and a record low of 3509.01 ft.
Download and cite
Quote this reading
Hungry Horse Reservoir stood at 3,544.64 feet on Sep 30, 2026. That is lower than 88% of September readings since 2022.
Download the full record
hungry-horse-reservoir-mt-water-level-history.csv
How to cite
MyWaterLevel, “Hungry Horse Reservoir water level, 2022 to 2026,” data from U.S. Bureau of Reclamation, https://mywaterlevel.com/lake/mt/hungry-horse-reservoir/, accessed Oct 13, 2026.
Source: the U.S. Bureau of Reclamation. All Montana lake levels. Readings are provisional and may be revised. About our data and methods.