Light snow flurries in Indianapolis early Sunday signaled an approaching arctic air mass that could bring dangerous wind chills as low as -20 degrees across Indiana in the coming days. Bitterly cold temperatures are forecast across Indiana from 7 p.

A piece of the polar vortex spills into the Midwest, creating extreme cold for the Chicago area and northwest Indiana for the next few days. For Sunday morning, actual air temperatures will peak early and fall throughout the day.

The National Weather Service issued a winter weather advisory at 3:56 a.m. on Sunday in effect until Monday at 9 a.m. for Higher Elevations of Indiana.

The National Weather Service issued an updated cold weather advisory at 7:23 a.m. on Sunday valid from 10 p.m. until Monday 10 a.m. for Lane County Lowlands.

A winter weather advisory was issued by the National Weather Service on Sunday at 4:50 a.m. valid from 10 a.m. until Monday 1 a.m. for Monmouth, Ocean and Burlington counties.