March 12, 2014; 9:05 PM ET
After a springlike start to the week in Washington, D.C., a sharp change to frigid weather is in store for Thursday. more >
Turning much colder today Details >
Mar 12, 2014; 10:08 PM ET Short-Range Weather forecast overview for the Northeast United States
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Temperatures will plummet by as much as 35 degrees Fahrenheit in less than 24 hours along the I-95 corridor from New York City and Philadelphia to Washington, D.C.
A spike in severe thunderstorms, capable of producing tornadoes, will follow a slow start to severe weather season in 2014.