A dome of high pressure has parked itself over Florida, pressing a lid on the atmosphere. That means clear skies, blazing sunshine, and very little rain to cool us off. Add dew points in the mid to upper 70s, and your body’s cooling system is working overtime.

Central Florida is currently experiencing a dangerous heat wave, with temperatures expected to challenge record highs in multiple counties.

The National Weather Service has issued heat advisories for the southeastern United States. It's always hot in the summer in the U.S. Southeast, but even by the standards of Florida and the Carolinas, the steamy heat wave on tap for the region Saturday into the coming week is a little extreme.

Meteorologists warned that the oppressive heat wave is part of a larger system impacting much of the Southeast and Midwest.

All of Florida will be under heat advisories Monday, July 21, as a heat dome spreads from the Ohio and Mississippi valleys. Here's what to know.

Rain chances will decrease Friday and into the weekend, but as the rain subsides, temperatures will begin to rise significantly. Temperatures are expected to soar this weekend, with heat index values reaching between 105 and 110 degrees.

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