The coldest air of the season is poised to plunge into the Northeast this coming Valentine’s Day weekend. This Arctic blast will not only flirt with some daily records, but will also bring subzero cold to parts of the Midwest and reinforce the cold in the Southeast.

A sharp southward nosedive of the polar jet stream will help tap an air mass originating from the Canadian Arctica and send it into the eastern half of the country from Friday through Valentine’s Day. READ MORE