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

Around 11 million Americans are under flood alerts as a "ring of fire" weather pattern will continue to impact the eastern two-thirds of the country through the weekend.

After days of record-breaking heat, some cooling is expected in the Eastern United States starting Thursday. See detailed maps about the latest heat index forecasts. Note: Forecast data is as of 8 ...

An active pattern for thunderstorms will continue across portions of the Eastern United States, producing damaging wind gusts and flooding, AccuWeather meteorologists say. A front approaching from ...

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s so dangerous. See detailed maps about the latest heat index ...