Scientists said the storm's strength and potential for far-reaching impacts is notable, but its timing isn't unusual.

A massive storm system in the US is causing severe weather in the Mississippi Valley and Deep South, with tornadoes, strong ...

The dangerous outbreak will sweep through the Midwest, South and East through the weekend. Saturday could be one of the worst ...

Dozens of tornadoes are reported from thunderstorms that lit up the radar from Wisconsin to Mississippi in the early hours ...