By Kristina Pydynowski, Senior Meteorologist
January 20, 2014
The polar vortex is headed southward once again, returning dangerously cold air to the Midwest and Northeast in the upcoming days.
The polar plunge has already started to invade the Upper Midwest and will continue to spread across more of the eastern half of the U.S. through Tuesday night.
While temperatures will drop below freezing as far south as northern Florida Tuesday night, the core of the cold will center on the Midwest and Northeast.
Highs will be held to the single digits and teens across these two regions once the frigid air takes up residence. Temperatures will even remain below zero during the daylight hours on Tuesday in and around Minnesota and the St. Lawrence Valley.
Temperatures will bottom out at 20 below zero or lower over parts of Minnesota Monday night, then 10 below zero or lower across the entire St. Lawrence Valley Tuesday night.
The good news is that prolonged biting winds will not accompany this cold blast in the Midwest, preventing a repeat of the extremely low AccuWeather.com RealFeel® temperatures that were registered earlier this month.