High pressure slowly but surely taking over from the large system that came through this weekend that dropped our ...

The heat is affecting tens of millions of people Wednesday: As of Wednesday morning, heat alerts were in effect for nearly 50 million people in the Midwest and Northeast. And the nation's ...

The heat is affecting tens of millions of people Tuesday: As of Tuesday morning, heat alerts were in effect for nearly ...

One power supplier said its systems had been overloaded by the prolonged high temperatures. Excess heat warnings remain in ...

Southern California is expected to continue baking as a historic heat wave moves into a second week with triple-digit ...

Large parts of the country are expected to swelter under a heat wave this week, with 55 million people in states in the ...

Millions were under various types of heat alerts in response to the weather. Humidity combined with soaring temperatures to create maximum heat indexes between 105 and 115 degrees across the ...

Download the WSMV 4 First Alert Weather app for iPhone or Android, so you can stay informed on the go and in between ...

PHOENIX (AZFamily) — It’s a First Alert Weather Day on this extremely hot Friday. Look for a Valley high of 112 degrees today, which is just a degree away from today’s record high of 113 and 9 ...

Los Angeles County and surrounding areas were under a red flag warning as temperatures reached more than 100 degrees in some areas.