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

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

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

A heat wave hit much of the central U.S. over the weekend, while snow and cool temperatures arrived in the Northwest.

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

Andrea was a tropical storm in the North Atlantic Ocean Tuesday morning Atlantic time, the National Hurricane Center said in its latest advisory. The tropical storm had sustained wind speeds of 40 ...

The National Hurricane Center said a short-lived tropical depression or tropical storm could develop this morning.

In Ruidoso, multiple rounds of heavy rainfall is anticipated over the South Fork and Salt Fire burn scars over the next ...

For 150 million people across the United States, humidity surged to levels higher than Miami late Monday. Maps show where.

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

Tropical Storm Andrea formed in the Atlantic on Tuesday morning, according to the National Hurricane Center. Scroll down for the latest maps and models of the storm. The Atlantic hurricane season runs ...