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, ...

That includes most of South Dakota. Highs tomorrow will only be in the low 30s in Sioux Falls and around the state, KELO meteorologist Brian Karstens says.

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