Low stream and river flows and higher water temperatures lead to "hoot-owl" fishing restrictions, which close a stretch of a river or creek to fishing from 2 p.m. to midnight.

Hoot-owl restrictions take effect Thursday at 2 p.m. on sections of the Ruby, Jefferson, Big Hole, Beaverhead and Smith rivers. Hoot-owl restrictions prohibit fishing from 2 p.m. to ...