A sprawling storm system crossing the U.S. has overturned semitrucks on highways and fanned wildfires in Texas, Oklahoma, ...

Weather system sweeps across U.S., causing wildfires, and power outages. Extreme winds and dry conditions lead to evacuation ...

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

A powerful low-pressure system is likely to spawn a dangerous outbreak of severe thunderstorms in portions of the Midwest, ...

Strong storms are heading to the Upstate, the National Weather Service says, and tornadoes could spin out of them.

You know tornadoes are dangerous and you should seek shelter when warned. But there are other aspects of severe weather that ...