More than 175 million people across the country will face snow, rain, sleet and ice through the weekend. Some 230 million will shiver through temperatures of 20F (-7C) degrees or lower, said Brian Hurley, a senior branch forecaster at the U.S. Weather Prediction Center.

The massive winter storm is ramping up with the arctic blast surging into the South and stretching up to the Northeast.

Amid warnings of “ hazardous cold ” conditions from the National Weather Service, it’s crucial for Texans to take precautions for what could be multiple days of subfreezing temperatures.