The city saw its warmest-ever Jan. 30 in 1988; it was 53 degrees. Milwaukee's average Jan. 30 high is 31 degrees.

Unsecured items like trash cans or holiday decorations could go "tumbling down the street," but no damage to trees or structures is expected.

The Extreme Cold Warning is in effect until noon. Wind chills will remain below zero until Wednesday afternoon.

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

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.

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.

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.

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.

MILWAUKEE - The National Weather Service has issued a wind advisory through 6 p.m Monday, Jan. 27 for winds that can gust from 45mph to 50mph. This can easily blow around unsecured objects outside, break small tree limbs, and even cause isolated power outages.

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.

We’re working to learn more about an unusual sight in the sky that caught the attention of people across the state Tuesday evening.

The NBA has postponed Wednesday night's game between the New Orleans Pelicans and Milwaukee Bucks due to extreme weather conditions in New Orleans. A date for the rescheduled game has yet to be announced,