Flooding concerns grow in Montana as severe storms threaten parts of the Plains

A storm system moving from the Great Basin into the Northern Rockies is expected to bring widespread rain, flooding concerns, and severe thunderstorms across multiple U.S. regions through June 1, 2026. The highest rainfall threat is forecast across portions of Montana on May 30, 2026, while severe storms capable of producing damaging winds and large hail are expected across parts of Nebraska and South Dakota. Source