Fishing closures are becoming routine as record heat warms rivers in the US West

Western states and Yellowstone have imposed afternoon fishing bans as record heat and low flows push river temperatures to lethal levels for trout.
Scientists say more frequent "river heat waves" from climate change and reduced mountain snowpack are making warm, low-water summers the new normal.
Anglers and local businesses are shifting trips to fall and changing plans as warm-water deaths and shorter fishing windows hit communities and traditions.