The cold snap will continue for most into Wednesday.
The timeframe would be Thursday morning into Friday with snow and ice being the main concern for areas north of Houston.
Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be record-shattering.
A winter storm warning is in effect through 1 a.m. Tuesday for the areas shaded in pink below, which includes the entire D.C.
Take the time now to prepare your home, loved ones, pets and plants before severe weather hits on Sunday and the extended ...