Montana lake levels today
12 lakes and reservoirs · 220 river gauges · updated Oct 21, 2026, 7:00 PM MDT
Of 11 Montana lakes with enough history to compare, 3 are below normal for the date and 1 are above normal.
Clark Canyon Reservoir is furthest below full pool, at ▼ 28.8 ft.
Lakes and reservoirs
| Lake | Level (ft) | vs full pool | % full | 7-day change | Vs normal |
|---|---|---|---|---|---|
| Canyon Ferry Reservoir | 3,784.54 | ▼ 12.46 ft | – | ▲ 0.11 ft | Normal for the date |
| Clark Canyon Reservoir | 5,517.29 | ▼ 28.81 ft | – | ▲ 0.77 ft | Below normal for the date |
| Flathead Lake @ Selis Ksanka Qlispe Dam | 2,891.82 | – | – | ▼ 0.34 ft | Normal for the date |
| Fort Peck Reservoir | 2,221.67 | ▼ 12.33 ft | – | ▼ 0.26 ft | Normal for the date |
| Hungry Horse Reservoir | 3,541.08 | ▲ 205.08 ft | – | ▼ 1.20 ft | Normal for the date |
| Lake Como | 4,205.32 | – | – | ▼ 0.81 ft | |
| Lake Koocanusa | 2,443.96 | – | – | ▼ 0.12 ft | Normal for the date |
| Lake Sherburne | 4,745.13 | – | – | ▲ 0.73 ft | Normal for the date |
| Noxon Lake | 2,327.32 | – | – | ▼ 1.23 ft | Much below normal for the date |
| Thompson Falls Lake | 2,396.11 | – | – | ▲ 0.21 ft | Normal for the date |
| Tiber Reservoir | 2,987.02 | ▼ 5.98 ft | – | ▼ 0.27 ft | Above normal for the date |
| Yellowtail Reservoir | 3,626.46 | ▼ 13.54 ft | – | ▲ 0.85 ft | Below normal for the date |
Tap a column heading to sort. "vs full pool" is shown only where the operator publishes a full-pool level on the same datum.