00:00More than 30 states could face frost or freezing conditions as the season's coldest air arrives this weekend.
00:06The Forecast Center expects the cold blast to end the prolonged autumn warmth.
00:10By Friday, 230 million people are forecast to feel the cold across the United States.
00:16For many cities, that means the first freeze of the season, rather than record cold.
00:21Here's what's driving the change.
00:23Behind Thursday's developing coastal storm, high pressure from Canada will send cold air east of the Rocky Mountains.
00:30So if you're in the central or eastern states, expect a colder start to your weekend.
00:34Omaha and Kansas City are expected to get their first widespread hard freezes of the year.
00:40Chicago and Detroit are also forecast to drop below freezing.
00:43Farther east, Louisville, Indianapolis, and Roanoke face their first freeze on Saturday and Sunday mornings.
00:50But the chill won't stop there.
00:52Cold air will push toward the Gulf Coast and into Florida.
00:55Though freezing temperatures should stay north of Florida,
00:57Northern Florida could still see patchy frost in some inland spots.
01:02The central states should warm next week, while the far eastern states stay chilly.
01:07Disclosure.
01:07This video contains stock footage and content created or enhanced using AI-assisted tools.
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