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Fishing closures in U.S. West rivers are increasing due to record heat and drought, which have raised water temperatures to lethal levels for trout. States like Montana and Colorado have implemented restrictions on major rivers, including Yellowstone and Blackfoot, to protect fish populations amid climate change-driven warming.

Record heat in the U.S. West has led to fishing closures on rivers and streams to protect trout from lethal water temperatures. Wildlife officials in Montana and Colorado have expanded afternoon fishing restrictions, citing climate change and drought as contributing factors. Trout fishing closures are becoming routine during summer months, impacting both ecosystems and local economies.

Record heat in the U.S. West has pushed river temperatures to lethal levels for trout, prompting wildlife officials to impose fishing closures during certain hours. Restrictions aim to protect trout species amid drought and lower water levels, with Yellowstone National Park and Montana expanding afternoon bans. The trend aligns with climate change impacts and is affecting both ecosystems and local economies reliant on trout fishing.