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

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

Temperatures are anticipated to reach 100 degrees Wednesday before dropping into the lower 80s Thursday and the 70s Friday.

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

Rain and thunderstorms might hit St. Cloud and the Twin Cities this weekend. The National Weather Service issued a hazardous weather outlook.

The National Hurricane Center is tracking four tropical waves, including two in the Caribbean. There's a potential for severe ...

Extreme heat is on the horizon for the Lower Hudson Valley. See the forecast and learn how to prevent heat-related illness.

The Canadian Forest Fire Weather Index (FWI) System, from Natural Resources Canada, maps out drought and fire danger based on ...