According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

Though Indianapolis may feel a brief reprieve from weeks of below-freezing temperatures Saturday, it won't last.

Indiana is set to experience some of the season's coldest weather since the start of winter. How schools decide when to delay ...

Rain arrives Friday night before changing to snow early Saturday. As temperatures fall, watch for slick roads this weekend.

Our ABC13 Weather team has now declared Weather Alert Days for Tuesday and Wednesday as it now appears likely a winter storm will impact Southeast Texas with snow, ice, and a hard freeze.

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PHILADELPHIA (WPVI) -- A winter storm will move into our area on Sunday, starting in the morning and continuing through the evening. TONIGHT: Partly cloudy and not as cold as recent nights ...

Conditions remain dry during the day, but our next weather system will move in just ... A COLD blast of winter air arrives early next week. High temperatures will only be in the single digits ...