The Cold Weather Advisory is in effect until midnight on Wednesday, according to the National Weather Service.

Milwaukee faced extreme wind chills and a cold weather advisory, with a slight chance of snow and low temperatures forecasted.

The Milwaukee County Medical Examiner's office is investigating the death of an 80-year-old man who likely died of hypothermia early Sunday morning.

While Milwaukee's snowfall has lagged, other areas of the country, especially southern states along the Gulf Coast, had a rare winter snowstorm this week. And because of earlier snowstorms through the mid-south, some areas have surprising snowfalls this winter.

The center at 12th and Vliet is open from 8 a.m. to 5:30 p.m. on Monday and Tuesday due to the cold. Nick Tomaro with the Milwaukee Health Department said more than 100 people took advantage of the center on day one. Darnell Bonner said on Sunday, he was rushed to the hospital for hypothermia while waiting for a shelter to open.

Milwaukee had its coldest Jan. 21 since 1984 on Tuesday as the city, along with the rest of the state, was under a dangerous Extreme Cold Warning. According to Milwaukee-Sullivan National Weather Service meteorologist Taylor Patterson, Milwaukee reached its lowest air temperature of the day at 7:34 a.m., at minus-10.

As wind chills hit dangerous levels, the decision to close schools becomes critical. Kevin Wagner, a lead meteorologist with the National Weather Service, explains how those decisions are made.

Milwaukee will kick off this week with the most extreme cold of the winter so far. During the coldest periods, wind chill is forecast to range between -15 and -30 degrees. That's well beyond the threshold for developing frostbite and other adverse health symptoms from cold-weather exposure.

An "artic air mass" will be moving into the region from Canada as we head into the weekend, causing temperatures to tumble.

Some areas of southeastern Wisconsin saw upwards of three inches of snow, which was heavier than anticipated, according to National Weather Service Milwaukee meteorologist Taylor Patterson. Milwaukee is not expected to get any more snow in the coming week, as temperatures rise above freezing over the weekend, she said.

A weather alert was issued by the National Weather Service on Wednesday at 9:06 p.m. for snow until 11 p.m. The alert is for Waukesha, Milwaukee, Rock, Walworth, Racine and

Light snow showers will move across southern Wisconsin until 2 or 3 a.m. on Thursday, amounting to up to two inches of snow.