KEY POINTS

Arctic air is pushing temperatures far below seasonal averages across the eastern and midwestern U.S.

Significant snowfall up to 12 inches is reported in parts of Illinois and Indiana.

Emergency officials advise cautious travel during severe winter weather conditions.

Freeze watches and warnings are in place from Texas to the Carolinas and into Florida through Tuesday morning, per media reports, and officials are posting early warnings to prepare for difficult conditions. A frigid continental polar air mass is pushing temperatures 20 to 30 degrees below normal across the central and eastern two-thirds of the country, according to the National Weather Service .

Cities across the country see up to 14 inches of snow

Snow continues to fall across the Great Lakes, interior No

See Full Page