More than 125 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

Meteorologist Tom Tasselmyer said the extreme heat continues Wednesday with heat indexes possibly reaching 110 degrees.

Tens of millions across the Midwest and Northeast sweltered under a brutal heatwave Tuesday, as actual temperatures — not ...

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states ...

Northern Vermont, New Hampshire and Maine are in the forecasted view line to potentially see the northern lights for both ...

Northern Vermont, New Hampshire and Maine are in the forecasted view line to potentially see the northern lights for both ...

A live tracker map shows the regions of the U.S. that will be most impacted by the heat dome set to bring temperatures in ...

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and ...

Forecasters say a heat dome is scheduled to settle over parts of the Midwest and eastern U.S. this week, marking an ...

It will be hot again on Tuesday with highs in the low 90s. Isolated storms will pop up by the afternoon, primarily along and east of the divide in NW Montana.

More than 40 million Americans are in the path of severe weather after heavy rain and strong winds battered communities across the Eastern half of the U.S. in states like Alabama and Oklahoma. NBC ...