Winter Storm Fern is gearing up to make a cross-country trek late this week and into the weekend, bringing winter weather impacts to over half of the country's population. On this page, you'll find maps to help you track the storm. Check back throughout the event, as the maps will update frequently with the latest information.

We're under a Yellow Alert on Friday for dangerous windchills and have issued a Red Alert for Sunday and Monday as we track heavy snow.

A major winter storm across the Southeast is likely to bring at least the chance of minor ice accumulation to part of the Lowcountry over the weekend.

The National Weather Service issues a litany of notices before and during inclement weather events. They can be important signals on how to respond.

National Weather Service defines a blizzard as a storm that contains large amounts of snow or blowing snow, with winds in excess of 35 mph and visibilities of less than 1/4 mile for an extended period of time (at least 3 hours).

ERCOT, which operates the Texas power grid, has issued an advisory for "extreme cold weather" in Texas. TEXAS, USA — The Electric Reliability Council of Texas (ERCOT) has issued an advisory for "extreme cold weather" ahead of the expected winter storm in Texas this weekend.