A potent surge of Arctic air starts settling in Monday evening as a massive dip in the jet stream pulls in frigid air across the entire eastern half of the country. Temperatures are set to drop as low as 20 degrees below average through Thursday with the highs only reaching the teens and some lows even plunging below zero.

"She started to want to sow her wild oats in a way she never could," a family source told Page Six of the singer feeling younger post-weight loss. An armed assailant fatally shot two notorious Iranian judges inside the Islamic Republic’s supreme court on Saturday.

Another arctic outbreak will spread across the Deep South early next week. Monday through Thursday are all Impact Days as wind chills are forecast to drop to single digits and we watch for winter weather impacts.