Thunderstorms will erupt on the edges of a huge heat dome encompassing the central and eastern United States this week. Some of the storms can be severe with high winds, flooding rain and even a ...

Several cities saw their warmest nights on record, while others broke the record highs for the date. The unusually early heat wave continues this week.

A Heat Health Emergency has been declared in Philadelphia, where temperatures could break a record set in 1923 amid an early summer heat wave.

A destructive storm tore through parts of the Midwest late Friday, producing confirmed tornadoes, winds over 100 mph, and widespread damage.