It's bitter and dangerously cold around Chicagoland on Tuesday morning, with a Cold Weather Advisory remaining in effect until noon. That means wind chills could dip as low as minus-30 degrees. Real air temperatures are also well below zero around Chicagoland early Tuesday morning,

We are heading into the coldest stretch of February tonight, with Cold Weather Advisories now in place for many counties in the Lower and Upper peninsulas. The National Weather Service (NWS) said residents in counties under these blue-shaded advisories should prepare for wind chills to drop to dangerously low levels,