High temperatures and humidity are expected to produce potentially dangerous heat index values through Monday.

Today and tomorrow have been designated Weather Aware Days due to the dangerously high temperatures expected across the region. Heat Alerts Inland Areas are under an ...

A so-far unremarkable Atlantic hurricane season is heading for a 'pivot point,' forecasters warn. Here's what to expect.

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Environment Canada says a multi-day heat event for parts of Ontario and Quebec is set to begin on Sunday with a humidex that ...

The heat index will break 105 in many areas today, and will exceed 110 in some locations. Some storms will be possible by evening.

The National Weather Service released an updated extreme heat warning at 12:53 p.m. on Friday in effect until 9 p.m. for ...

A heat advisory will continue Sunday afternoon before late-day thunderstorms cool things down. More heat and storms are ...

The National Weather Service issued heat advisories for a large swath of the East Coast from central Florida to Virginia ...

An Extreme Heat Warning is in effect from Sunday 12pm to 8pm Sunday night for all Siouxland. The Extreme Heat Warning has ...

The National Weather Service has issued severe thunderstorm warnings for New York City and parts of the Hudson Valley, New ...

A dome of high pressure has parked itself over Florida, pressing a lid on the atmosphere. That means clear skies, blazing sunshine, and very little rain to cool us off. Add dew points in the mid to ...