Winter weather warnings have been issued to four states across the U.S. by the National Weather Service (NWS).

Michigan predicted to see heavy amounts of snow by Saturday morning, Jan. 17. See forecast, current hazards per county.

St. Lawrence County was added to the Winter Weather Advisory, which will run from 7 p.m. this evening until 7 p.m. Thursday. The NWS forecasted three to seven inches for the county. Jefferson and Lewis counties will be under the advisory starting at 11 a.m. today and lasting until 7 a.m. Friday.

Winter Weather Advisories are in effect across much of western and central New York as snow, strong winds and bitter cold move into the region. Here's how much snow to expect.

Winter is back with a frigid cold front that will be felt across the United States, bringing temps down to below freezing