According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and it’s as dramatic as it sounds. As many as 47 states will experience unseasonably cold temperatures. Some areas will be hit with dangerous wind chills as low as 40 below zero.

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida, but the forecast is far from a lock.

It’ll be a memorable cold outbreak as gusty winds make the frigid air dangerously cold in many locations in the coming days

Abundant cloud cover and rain will keep overnight temperatures more mild, with lows in the 50s and 60s throughout Central Florida.

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

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The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the globe, with expected frigid conditions in the nation’s capital severe enough to force Donald Trump’s second inauguration indoors on Monday.