The threat of tornadoes moved east into the Mississippi Valley and Deep South on Saturday, a day after a massive storm system ...

In some extreme cases, thunderstorms can spawn a derecho, a long-lived windstorm with gusts over 100 mph, strong enough to ...

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

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

A sprawling storm system crossing the U.S. on Friday overturned semitrucks on highways and fanned dozens of wildfires ...

Dangerous weather swept across the Midwest on Friday.High winds and dangerous fire conditions caused thick haze and ...

Evacuation orders have been issued for a town in western Oklahoma, and thousands of people are without power as a strong windstorm moves through the state.