Sunday, January 18, 2026 8:58AM EST Shallow layer of very cold air will continue to undercut the warm/moist environment overhead. As temperatures fall into the lower 20s as we go through the morning, showers and thunderstorms will begin to overspread the region owing to an approaching shortwave with decent elevated CAPE (MUCAPE 250-500+ J/kg). As this elevated convection overspreads the region torrential rain falling into the lower 20s surface temps will efficiently freeze on all untreated