A major heatwave is sweeping across the U.S., prompting the NWS to issue multiple heat alerts. Here’s what they mean and how ...

For the next week, highs will reach the middle to upper 90s with feels-like temperature soaring past 100 degrees.

Utahns won't need a calendar to know that summer has officially arrived; they can simply walk outside on Thursday, as scorching triple-digit temperatures will blanket most of the state ...

High temperatures will flirt with daily record highs in dozens of locations early next week, especially in the Northeast.

The National Weather Service issued a heat advisory at 2:52 p.m. on Wednesday valid for Thursday between 11 a.m. and 8 p.m.

With severe storms inching into the Chicago area, what you will see and when depends on where you are in the region.

Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

It will be the hottest day of the year in most of Massachusetts Thursday and the first time Boston has hit 90 in 2025.

THEY’RE NEAR AND OVER 70 AND THAT’S THE STICKIER AIR THAT’S GOING TO BUILD TONIGHT INTO TOMORROW, REALLY PEAKING ON THURSDAY WITH DEW POINT TEMPERATURES UP AROUND 70 DEGREES. AND THEN THEY BACK OFF ...

Dangerous heat and chances of strong afternoon and evening storms are on their way to New Jersey for Wednesday and Thursday.

Summer in Southern Colorado means heat, and sometimes, dangerous heat. When temperatures climb to a point that could impact ...

Like water ice and mosquitoes, heat advisories are staples of Philadelphia summers. But usually the National Weather Service ...