Heat will impact central US as thunderstorms forecast across country

The extreme heat that has been confined to the Northwest and South is now expanding into the central U.S., setting up a hot weekend ahead for most of the country.

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Scattered thunderstorms are in the forecast for the Great Lakes, East Coast, Gulf Coast, Florida and the Southwest on Thursday.

Meanwhile, Tropical Storm Hilary is churning out in the Pacific and is expected to intensify rapidly off the Coast of Mexico. 

Hilary is anticipated to impact southern California on Sunday and Monday, bringing extremely heavy rain, strong winds and some tornadoes as the system moves onshore.

This will be a very big deal for some of the desert areas, where flash flooding and mudslides are likely.