Montana Lake Water Levels
4 lakes & reservoirs · 3 river systems
We track 4 Montana lakes and reservoirs, operated by U.S. Bureau of Reclamation and U.S. Army Corps of Engineers. Each level below is that lake's most recent official gauge reading, with the date it was taken — open any lake for its full-pool comparison, 12-month history chart and record high and low.
Of the 4 Montana lakes with a current reading, 3 are more than five feet below it. The furthest down right now is Fort Peck Lake, 27.20 ft under its 2250 ft full pool.
| Lake | Level | Vs full pool | Full pool | Reading |
|---|---|---|---|---|
| Bighorn Lake | 3,623.16 ft | −16.84 ft | 3640 ft | Sep 11, 2026 |
| Canyon Ferry Lake | 3,786.16 ft | −10.84 ft | 3797 ft | Sep 11, 2026 |
| Fort Peck Lake | 2,222.80 ft | −27.20 ft | 2250 ft | Sep 11, 2026 |
| Tiber Reservoir (Lake Elwell) | 2,988.31 ft | −4.69 ft | 2993 ft | Sep 11, 2026 |
Readings are the latest values published by each lake's managing agency and are provisional, subject to revision. Open a lake page for its live gauge.
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