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The National Weather Service is calling for a high of 9 degrees Fahrenheit, but that will be a distant memory by the early evening kickoff. Lows are forecast to bottom out at zero, though some weather models have the mercury dropping even lower. One degree Fahrenheit is the coldest kickoff at Arrowhead (a record that was set in 1983, and tied in 2016) so it’s not inconceivable we could see a new record set on Sunday. Other parts of the Midwest should be on ice, too, as well as a large chunk of eastern Canada.

“I absolutely believe that the cold descending on the Midwest this weekend is related to the polar vortex breakup/SSW that began earlier this month and still ongoing,” Judah Cohen, an atmospheric scientist with AER, a Verisk Business, told Earther using the meteorological parlance for stratospheric warming event. He pointed to last week’s European chill with rare Greek snow as the first sign of the destabilized polar vortex.

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“I would expect not continuous but episodic outbreaks of more severe winter weather including both cold and snow across the U.S. in the coming weeks related to the polar vortex split/SSW,” Cohen continued.

Some recent research suggests climate change and Arctic warming could lead to more weird weather outbreaks like this in the midlatitudes. In other words, either in the coming weeks or years, there’s a good chance more of us will get the chance to be just like Tom Brady (minus the Super Bowl wins, strong brain, and fancy dog lifestyle).