Forecast: Snow, wintry mix to bring risky driving conditions Tuesday

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The Upper Midwest in the us was hit by a deep freeze on Sunday, as temperatures plunged below -45F.

In Des Moines, where the wind chill may dip to minus-40 on Wednesday, the National Weather Service advised home and business owners to make sure they were ready for the impending cold snap. Many locations are predicted to challenge their coldest high temperatures for January 30 on Wednesday, and a number of record lows may be set Wednesday and Thursday mornings.

The entirety of Minnesota and Wisconsin and much of northern IL is expected to remain below zero for all of Wednesday.

A winter storm brought more than 5 inches of snow to northern IL as the region braced itself for record-low subzero temperatures.

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Blizzard conditions are predicted across parts of the western Ohio Valley and snow is expected Tuesday through Wednesday from the Great Lakes region into New England, the weather service said. Lake effect snow continues through Thursday. Temperatures will be above freezing during the time it should be raining, so frozen precipitation is not expected.

"Chicago will likely see its coldest readings in almost 25 years, with lows approaching the all-time record of 27 below and a daytime high on Wednesday of around 15 below", Hennen said. Look for a high around 20 degrees at midnight. Wind chills will run -30 to -50 out that way by Wednesday into Thursday AM. "The heaviest snow is expected in our MI counties where 6-9" of snow is possible.

Even snowplow drivers are having trouble keeping up with conditions Monday.

The snow is forecast to come ahead of a cold front moving through Tuesday night. Snow is even expected to reach down all the way to MS and Alabama. More than three dozen flights were canceled early Monday at Mitchell International Airport in Milwaukee County.

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There will be lows of under 30F in North Dakota, eastern South Dakota and Minnesota. Areas of Missouri, Illinois, Indiana and OH are under a wind chill watch, while parts of Louisiana, Tennessee, Alabama, Kentucky and West Virginia have been placed under winter weather advisories.

"Given that frostbite can occur in as little as 10 minutes in these conditions, it would be best to stay inside as much as possible", the weather service said.

They predict a cold rain will turn to snow by sundown, and several inches could accumulate, they said. The county's courts and nonessential services will be closed Monday.

Chicago could see 6 inches (15.24 centimeters) of snow, followed by arctic cold.

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