A strong cold front will move through Monday into the night, bringing the potential for strong to severe thunderstorms across the Philadelphia region.

Thousands of flights were cancelled Monday as the eastern U.S. braces for high winds and possible tornadoes and the Midwest deals with blizzard conditions. According to the flight-tracking website FlightAware,

The period between midafternoon and early evening is of greatest concern, but some storms are possible earlier.

Severe thunderstorms are likely Monday ahead of a strong cold front that could also bring widespread damaging winds and tornadoes to central Pennsylvania, according to the National Weather Service. Gusty winds are expected to return late Sunday across Pa.

THREE RIVERS, MI — Deadly tornadoes last week left behind a trail of artificial intelligence images and videos that went viral online. As people scoured for information about the sudden and powerful storms on Friday,

A potential severe weather outbreak on Monday could bring damaging winds, hail and a few significant tornadoes from the Mid-Atlantic to the Carolinas.

Central Virginia dodged potentially devastating severe weather Monday night, as the atmospheric conditions needed to produce tornadoes failed to come together. Zach Daniel explains why.

Four tornadoes touched down in Illinois during a round of strong storms in the St. Louis area Sunday night. The National Weather Service said the first tornado touched down in Monroe County, Illinois,