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.

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.

Tuesday was one of the 10 coldest Jan. 21 temperatures in Milwaukee's recorded history. Here's where it ranks: Cold sets in over Milwaukee on Tuesday, Jan. 21, 2025. All of Wisconsin is under an Extreme Cold Warning Tuesday morning due to wind chills as cold as -35 degrees in some portions of the state.

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.

A Cold Weather Health Advisory has been issued for Milwaukee County. The health advisory is in effect from 9 p.m. Sunday, Jan 19 through 9 p.m. Monday, Jan 20.

Bitterly cold temperatures and wind chills as low as -32F are expected during this period, posing significant health risks, including frostbite and hypothermia.

Unhoused people in Milwaukee County have braved cold weather, with hundreds seeking warming shelters and other services.

The great Charles Dickens used the phrase in "Oliver Twist" writing, "We cut over the fields at the back, with him between us — straight as the crow flies — through hedge and ditch." But how exactly did the groundhog become the deciding factor — at least in the realm of myth and mystery — in determining when exactly winter will end and spring begins?

The billionaire Wall Street CEO fielded questions about tariffs, China's AI progress, broadband access, allegiance to Trump and the revival of American mining and semiconductor production.