Extreme Heat Warnings are in effect across the Valley through Thursday, so we are in ABC15 Weather Action mode as a reminder ...

A heat warning has been issued for Toronto ahead of a “prolonged period” of sweltering conditions that Environment Canada ...

NYC faces another excessive heat warning Tuesday, while parts of Long Island and New Jersey are under a heat advisory.

An excessive heat warning with heat index values up to 115 degrees is in effect across north and South Florida and Southeast Georgia from 10 a.m. EDT Tuesday until 8 p.m.