Lake Thunderbird, OK

As of 2026-10-12, Lake Thunderbird sits at 1035.62 ft, which is low for this time of year. Over the past 30 days the level has fallen 0.81 ft.

The most recent reading at Lake Thunderbird is 1035.62 ft (2026-10-12), 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 Thunderbird in our records is 1047.51 ft on 2025-05-06. The lowest is 1035.62 ft on 2026-10-12. Our record covers about 5 years of readings.

Compared with every October in our records, the current level is higher than 0% 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.

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 Thunderbird has fallen 0.81 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

Lake Thunderbird is -2.70 ft compared with this date last year (1035.62 ft today). The full-history chart above covers 5 years, with a record high of 1047.51 ft and a record low of 1035.62 ft.