Child safety advocates are warning about the dangers of heatstroke from leaving kids in hot cars. Experts say vehicle ...

In several cities, including New York, Boston and Philadelphia, temperatures have hovered in the upper 90s, with heat indices ...

Paramedics in Washington, D.C., burned through their supply of ice packs on Tuesday, and residents cranked up the ...

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

New York City also felt the heat, tying its longstanding daily record of 96 degrees for the date, set in 1888 in Central Park ...

High temperatures across the Plains, Midwest, mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal and will mark the hottest temperatures of the year to date, rising well ...

Tens of millions of Americans sweltered outside or sought air-conditioned refuge as an "extremely dangerous" heat wave ...

One Florida city, Tampa, came in at No. 1 on the list, with another in the top 10 at No. 3 and a third squeaking into the top ...