Baltimore and various regions in Maryland are currently facing an extreme cold alert as temperatures plummet due to a return of Arctic air. With conditions expected to include blustery winds, snow showers, and dangerous wind chills that may reach as low as -19 degrees, the city has declared a Code Blue Extreme Cold Alert, extended through Thursday morning. Authorities are urging residents, particularly those vulnerable such as the unhoused, to seek available shelter. Conditions are expected to remain frigid through the week, with potential mild weather before another cold front arrives this weekend.