Ice threatens to cause treacherous travel and widespread power outages from Texas to Kentucky.
A significant wind event is ongoing across Ireland and the United Kingdom and will spread over northern Europe through Friday.
An ice storm, which could be the worst to hit the United States in years, is unfolding across portions of the southern Plains late this week.
A swath of snow and wintry mix with slippery travel will develop from Oklahoma City to St. Louis, Indianapolis, Pittsburgh and Albany, N.Y., prior to the weekend.
An ice storm will affect millions of people into Friday and threaten to cut power for hundreds of thousands from northern Texas to western Kentucky.
Despite the mild air through midweek, the city is experiencing a drastic temperature drop to end the week.
The city will see snow a few times in the coming days as temperatures plummet.
After the midweek system accompanied with snow exits the area, frigid air will pour into the area.
While balmy air and rain will affect State College and central Pennsylvania into Thursday night, a return of colder air will be accompanied by a change to snow and slippery travel late Friday.
While balmy air and rain will affect Pittsburgh into Thursday night, a return of colder air will be accompanied by a change to snow and slippery travel Friday.
After basking in mild air much of this week, a return to colder weather will be accompanied by multiple rounds of wintry mix into early next week around Boston.
Little Port Walter, AR (1964)
14.84" rainfall in 24 hours. Greatest 24 hour rainfall event in state's history.
Chardon, OH (1962)
Denver, CO (1913)
Snow cover reaches 32.6", maximum depth of snow.