Tiber Dam & Reservoir Fishing Report
Based on live releases/levels and local weather.
Tiber Dam & Reservoir fishing report based on live water release, lake level, and local weather near Great Falls, MT. Check current outflow (CFS), water level, and species-specific notes before your trip.
Tiber Dam & Reservoir snapshot
USBR LER Lake Elwell (Tiber), MT (daily web pull) USBR MARI Marias River nr Chester, MT (inst web pull) Tiber Dam & Reservoir sits near Great Falls, MT and is monitored by the U.S. Army Corps of Engineers NWDM district. Coordinates: 48.3196°, -111.1022°. Also known as USBR LER Lake Elwell (Tiber), MT (daily web pull).
- Latest release
- 713 CFS
- Recorded 2026-06-19 07:00 UTC
- Latest lake level
- 2992.60 ft
- Recorded 2026-06-19 07:00 UTC
Moderate-to-strong release: current seams and eddies can fish well, but stay alert near tailwaters and steep banks.
Source: U.S. Army Corps of Engineers CWMS public feeds. See the Tiber Dam & Reservoir water level & flow charts for 7‑day history.