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

ORLANDO, Fla. – A dangerous and potentially record-breaking heat wave is building across Florida this weekend. A strong dome of high pressure is locking into place, cutting off rain chances and sending temperatures soaring.

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.

A heat advisory for Florida's Treasure Coast is in effect from noon through 6 p.m., with heat index values from 109 to 112 possible.

With "feels like" temperatures expected to be in the triple digits on Monday, the National Weather Service has issued a heat advisory for South Florida.

Temperatures could feel as high as 115F in some places bringing a very real fear of heat related deaths and major disruption to peoples' lives, especially those with out cooling systems