We are tracking one heck of a storm system affecting tens of millions of people across the country.

Storms across both U.S. coasts (Credit: WHD News)

The system will bring heavy snow, ice, and blizzard conditions, as well as severe weather including tornadoes and heavy rain that could bring flash flooding.  

Winter weather alerts in the Midwest, Plains through Thursday morning (Credit: WHD News)

Heavy snow will spread from the Rockies through the Plains and up into the Great Lakes and Midwest.  

The ice forecast on Thursday and Friday in the Northeast (Credit: WHD News)

Accumulating ice has prompted ice storm warnings for parts of the northern Plains through the upper Midwest.

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Meanwhile, strong-to-severe storms are setting up from Texas across the Mississippi Valley and into the Southeast.  

A severe storm threat on Tuesday for the Gulf Coast (Credit: WHD News)

A coastal low will also develop Thursday and Friday, bringing heavy snow to the interior Northeast and the mid-Atlantic, along with dangerous ice.  

A severe storm threat on Wednesday for the Southeast (Credit: WHD News)

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Please pay close attention to your local forecast details, and WHD Weather is also working hard to keep you safe.