A frigid arctic air mass will continue to plague the Northern Plains overnight and into Tuesday. Very cold temperatures and wind chills are expected during the night with lows ranging from 10 below to 20 below zero. Wind chills of 20 to 30 below will be confined to areas east of Interstate 29 overnight. Elsewhere winds are becoming light across much of eastern South Dakota as high pressure moves overhead. High temperatures on Tuesday will rebound into the single digits to middle teens as a slow warming trend begins across the region. Below are graphical images indicating lows tonight and highs both Tuesday and Wednesday, as well as the lowest wind chill temperatures each period.
|Low Temperatures||Lowest Wind Chill Temperatures|