Meteorologist Bill Karins gets us up to speed on the major winter storm expected to dump snow and bring cold weather to portions of the country.Jan. 20, 2016
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Major winter storm developing from West Coast to Plains
01:49
Non-stop snow pounds California's Sierra Nevada, closing down freeways
03:09
Search underway for missing helicopter carrying 5 Marines
02:19
California rains expected into the night as falling trees kill 2 people
05:06
Weather as a wildcard: Frigid Iowa cold holds potential for discouraging caucus participants
02:35
Frigid temperatures could impact Iowa caucus turnout