Weather Authority: Chilly Thursday overnight ahead of weekend warmup

Overnight into Friday morning will be chilly, as temps drop to the lower 30s in Philadelphia and points south and east, while the suburbs north and west will see lows in the upper 20s to lower 30s, all under mostly clear skies.

WMO: Fiona, Ian join list of retired hurricane names

There will be no more hurricanes named Fiona and Ian, according to officials with the World Meteorological Organization, after last year's hurricane season that wreaked havoc on various communities in the Caribbean, the U.S., and Canada.

Avalanche creates snow cloud at Utah resort

Footage shows a snow cloud enveloping a group of skiers at Sundance Resort after an avalanche at a nearby Utah mountain.

Tornado-spawning storms could get worse as world warms, study finds

The study predicts a nationwide 6.6% increase in supercells and a 25.8% jump in the area and time the strongest supercells twist and tear over land.

Snowmobiler dies after getting buried in avalanche in Utah

The Utah County's Sheriff's Office said they found the body of a 38-year-old man in an avalanche in Pole Canyon near Cedar Fort Monday night.