Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

On Monday at 2:12 p.m. a heat advisory was issued by the National Weather Service valid for Tuesday between 10 a.m. and 8 p.m ...

The National Weather Service issued an extreme heat warning for New Castle County lasting through June 25. See how hot ...

The National Weather Service released an updated heat advisory at 11:03 a.m. on Monday in effect until Tuesday at 8 p.m. for ...

The National Weather Service issued a heat advisory at 12:59 p.m. on Monday valid from 8 p.m. until Wednesday 8 p.m. for ...

The National Weather Service released a heat advisory at 10:34 a.m. on Monday valid from Tuesday noon until Wednesday 7 p.m.

On Monday at 12:59 p.m. the National Weather Service issued a heat advisory in effect until Wednesday at 8 p.m. for Southern ...

With a heat wave set to continue for several days, NWS Louisville may extend the heat advisory set to expire June 24 at 8 p.m ...

Stark County is seeing some of its highest temperatures so far this season, with heat index values in the 100s. Here's when ...

At 8:15 a.m. on Monday, the National Weather Service released a heat advisory in effect until 7 p.m. for Lauderdale, Colbert ...

The National Weather Service office in Fairbanks, Alaska, has issued a heat advisory for Sunday. This is the first of its ...