Chicago-area commuters woke up to heavy snowfall, with more than 5 inches already on the ground. Check forecasts from your local NWS office for details specific to your area", the NWS warned Monday, referring to the polar vortex: "cold air high up in the atmosphere that usually lies over the North Pole, but which is moving down from the Arctic Circle over parts of the United States this week.
Wind chills in northern IL could fall to negative 55 degrees, which the National Weather Service called "possibly life threatening".
A unsafe cold-air outbreak will reach the Midwest and Great Lakes on Tuesday and is expected to last multiple days with the potential to break dozens of records.
The service reported that 6 inches of snow accumulated in Algonquin and 4.5 inches accumulated in the Bull Valley area overnight.
The entirety of Minnesota and Wisconsin and much of northern IL are expected to remain below zero for all of Wednesday. Average delays at both airports were lasting less than 15 minutes. The record low for January 30 (Wednesday) in Normal was 15 below zero, recorded in 1966, according to the National Weather Service.
A winter weather advisory is in effect starting at 6 a.m. across northern portions of the Baltimore region, including Carroll, western Howard, northern Baltimore and northwestern Harford counties, and starting at noon in Baltimore and in Anne Arundel, southern Baltimore, eastern Howard and southeastern Harford counties.More news: WWE Rumor Killer: Ronda Rousey not leaving WWE after WrestleMania 35
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Rain and snow taper off by 6am Wednesday, but as cold air comes back in, we'll watch for areas of refreeze, so some slick spots for the Wednesday morning commute are certainly possible, even through the precipitation has tapered off. Boston will be very close to the record low max of 12 degrees. Windchill values will be as low as 11 degrees below zero that evening. The Dakotas are grappling with blizzard conditions, the National Weather Service said.
The US Midwest dug out on Monday (Jan 28) from a snowstorm that closed schools and businesses, as millions braced for risky sub-zero temperatures that could shatter records. Rain could begin to mix in during the afternoon.
Martin County, Blue Earth, Faribault, Freeborn, Le Sueur, McLeod, Nicollet, Sibley, Steele, Waseca, Brown, Redwood, Renville, Watonwan, Lac Qui Parle, Yellow Medicine, Isanti, Kanabec, Meeker, Sherburne, Wright.
Temperatures across Canada are now more than 30° below Monday morning and it is set to break south resulting in the coldest arctic outbreak in at least two decades in parts of the Midwest.
"A large mass of Arctic air will move into the region by Wednesday bringing with it below-normal temperatures that will stick around into Friday", AccuWeather Meteorologist Brett Edwards said.