Heavy snow, ice create dangerous travel and cut power in midwestern US

By Renee Duff, AccuWeather meteorologist
February 12, 2019, 1:09:41 PM EST

Click here for live updates on the storm.

A large storm will threaten to disrupt travel and daily routines as it continues to unleash heavy snow, ice and gusty winds across the midwestern United States through Tuesday.

The storm has already unleashed 6-8 inches of snow in eastern portions of Iowa with 8-12 inches of snow already on the ground in central and northern Wisconsin as of midday Tuesday.

MW snow map 2.12 AM

Into Tuesday evening, the heaviest snow will fall over northern Wisconsin and the Upper Peninsula of Michigan.

In these areas, there can be an AccuWeather Local StormMax™ of 18 inches.

Green Bay, Wisconsin, and Marquette and Traverse City, Michigan will lie within this swath of heaviest snowfall.

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Stretches of interstates 35, 80, 90 and 94 are expected to be difficult and dangerous to travel on during the height of the storm.

In addition to snow-packed, slippery roadways, blowing and drifting snow can create whiteout conditions as winds strengthen around the storm.

The icy weather that led to power outages across northern Illinois and northern Indiana to southern Michigan during Monday night and early Tuesday has ended.

As much as 0.50 of an inch of ice accumulated in the Chicagoland area.

Power Outages Noon

However, there is a burst of snow associated with a press of colder air advancing northeastward. That snow hit St. Louis during the morning rush hour and was crossing central and northern Indiana during early Tuesday afternoon. During Tuesday evening, this quick shot of snow is forecast to roll across northwestern Ohio and southern Michigan and on top of areas that had an ice buildup earlier.

Thunder and lightning may accompany the burst of snow in some areas.

Download the free AccuWeather app to see exactly what to expect in your area.

There can be a rapid freeze-up in the lower Ohio Valley later Tuesday as temperatures plunge behind the rain, causing any lingering wet areas to turn to ice.

Gusty winds on the back side of the storm will lead to additional power outages.

The Central states will then have to brace for yet another winter storm at late week.

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