Snow, thunderstorms and tornadoes could threaten up to 60 million Americans on Wednesday, in an area stretching from the Rocky Mountains to the Great Lakes, NBC News reported. Snow already started falling west of Denver early Wednesday, and a blizzard warning was issued for the Great Plains east of the city. Airlines canceled 50 flights at Denver’s airport, according to NBC affiliate KUSA.
Meanwhile, tornadoes could develop in the area encompassing southern Iowa, northern Missouri and northwest Illinois, including the cities of St. Louis and Des Moines.
Chicago is likely to see see thunderstorms and gusty winds but should escape the tornado threat, according to Weather Channel lead forecaster Kevin Roth, but Kansas City was "not completely out of the woods."
"It's a huge, typical November storm," Roth said. "Winter is on the way, that's for sure."
