A high-impact and potentially historic winter storm is underway, delivering heavy snow, crippling ice, and days of life-threatening travel conditions to more than 245 million people from Arizona

The electric grid in many parts of the U.S. is already under strain due to rising demand from data centers and the slow construction of new power generation.

Follow here all day for up-to-the-minute information about every angle of this winter storm.

Winter Storm Fern threatened more than 140 million people across the US Saturday, caused a record number of canceled flights, and left thousands without power as the “biggest ice storm in a decade” began its monstrous march across the nation.

Lexington’s Blue Grass Airport flight status board shows all departing and arriving flights to the facility canceled as of 5:30 p.m. Saturday. Fayette Mall in Lexington announced it was closing early Saturday afternoon, as the winter storm blasting half the nation rolled into Central Kentucky.

Winter Storm Fern to coat Miss-Lou in ice Saturday night; officials warn of dangerous roads, urge residents to stay home as a warming shelter opens and possible curfews are discussed.

President Donald Trump issued a statement as massive Winter Storm Fern moved across the country, threatening snow, sleet, ice, frigid temperatures and widespread power outages for roughly half the U.S. population.

Gov. Andy Beshear said Pres. Donald Trump has approved an emergency disaster declaration.