A new report shows a sharp increase in peak electricity demand, leading to blackout concerns in multiple states. Here's how ...

I t's been a dangerously hot and steamy start to the summer! The DMV has seen quite a few heat alerts in the last few days ...

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

The dangerous heat index values and extreme humidity continues into the upcoming weekend. Warmer than normal conditions expected though the 4th of July.

NYC and the surrounding area could face their first heat wave of the season next week, as the first day of summer arrives.

The NWS has issued an extreme heat warning for central North Carolina, with heat index values possibly reaching 112 degrees, ...

With New York under an extreme heat warning, the Mets took extra precautions Monday. Those included a later report time for ...