A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep through Texas.

All Houston airports are closed on Tuesday due to the winter storm expected in the area, officials said Sunday.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

Florida and Texas were both under winter storm warning from the National Weather Service (NWS) on Tuesday morning as an arctic air mass caused plunging temperatures and heavy snow along the Gulf Coast.

A once-in-a-generation snowstorm, tied to the polar vortex event across the Lower 48 states, is plastering the Gulf Coast with record-setting snow and ice on Tuesday. Why it matters: This region isn't equipped to cope with heavy snow,