Arctic air hits much of the U.S., bringing snow to some areas and chilly temperatures to Florida

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Arctic air is sweeping across much of the U.S. Monday, bringing the season’s first snow and threatening record-low temperatures across the Southeast and Florida.

Dangerous travel conditions are expected across the Great Lakes and Appalachia with 4 to 8 inches of snow and near-zero wind chills.

The freeze is expected to reach from Texas through Alabama, with Florida facing wind chills in the 30s and Lake Erie bracing for heavy snow.

CHICAGO — A blast of the season’s first frigid air was bearing down on much of the U.S. on Monday, bringing the prospect of snow to parts of the country, and plunging temperatures in Florida — though it may not get cold enough there for iguanas to tum