Around 170 million Americans from Nebraska to the Northeast are experiencing dangerously warm temperatures due to an ongoing heat wave.
A life-threatening heat wave continues on Tuesday across the Midwest, Southeast and into the Northeast, with warm temperatures lasting at least through Wednesday for millions.
Extreme heat warnings are in effect for several cities in Florida, including Jacksonville, Orlando and Tampa, along with other places like St. Louis, Omaha, Nebraska; and Charleston, West Virginia. Temperatures in these areas could feel like 105 to 115 degrees on Tuesday afternoon, with parts of Florida potentially reaching heat indices over 115 degrees.
Adding to the already degraded air quality is wildfire smoke from Canada as a new plume of smoke may create an additional haze to the sky Tuesday afternoon and continue into Wednesday.
In the Northeast, New York City, Boston and Philadelphia are under heat advisories through Wednesday with actual temperatures reaching 90 degrees and feeling as warm as 104 degrees on Tuesday and Wednesday.
The eastern half of the country will likely experience temperatures feeling anywhere between 100 and 110 degrees.
This long-lasting heat wave will provide little-to-no relief overnight, with temperatures struggling to dip out of the lower 80s to upper 70s at night.
On Wednesday, the heat dome will be ending in parts of the Upper Midwest, with the warm temperatures continuing for another day from the Mid-South to the Southeast and up the East Coast.
The Midwest and Northeast will finally feel relief from the heat on Thursday, but the South will continue to have sweltering temperatures through the end of the week.
Next week, temperatures will reach normal to cooler-than-normal levels for the East Coast and most of the eastern half of the country. Texas to Florida could see temperatures slightly above average, but will not be as extreme as they are this week.
Most of the West Coast will also be cooler-than-normal next week, with the main spot for heat being across the desert Southwest.