Severe storms were expected to rip across parts of the northern U.S. on Monday, bringing numerous hazards to multiple states.

The most intense storms, with wind gusts potentially exceeding 75 m.p.h., were forecast for central and eastern South Dakota, ...

The National Weather Service urged people to avoid travel if a flash flood warning was in place for their area.

Millions of Americans are under weather advisories this week. See which major cities have heat, flood or storm advisories.