Lake Sherburne, MT

As of 2026-10-13, Lake Sherburne sits at 4744.27 ft, which is below average for this time of year. Over the past 30 days the level has fallen 2.77 ft.

The most recent reading at Lake Sherburne is 4744.27 ft (2026-10-13), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Lake Sherburne in our records is 4788.13 ft on 2026-06-29. The lowest is 4741.35 ft on 2021-09-15. Our record covers about 5 years of readings.

Compared with every October in our records, the current level is higher than 26% of them, which we classify as below average 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.

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. Lake Sherburne has fallen 2.77 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

Lake Sherburne is -19.07 ft compared with this date last year (4744.27 ft today). The full-history chart above covers 5 years, with a record high of 4788.13 ft and a record low of 4741.35 ft.