An extreme cold watch has been issued from NWS for all of central Indiana for Sunday night through Monday afternoon.

There will be two rounds of precipitation this weekend in South-Central Pennsylvania. The first is a wintry mix to rain showers Saturday and then widespread snow is likely Sunday.

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

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