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

High temperatures across the Plains, Midwest, mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal ...

Severe thunderstorms will continue to prowl the central United States through the weekend with some areas at risk for damage ...

This swampy, brown map sums up September in the eastern U.S. October 2, 2018 Rick Stewart sweats in a park in Weehawken, N.J., with the New York City skyline in the background (Seth Wenig/AP) ...

An AccuWeather forecast map showed states in the "high" risk zone for Friday included parts of Kentucky, Illinois, and Indiana. As the weekend approaches, the severe threat expands further south.

With just a month left of spring, Brood XIV cicadas are continuously emerging, showing up across parts of the eastern United States. ... Map: Regions where you could see Brood XIV cicadas.