Fox weather alert. Arctic blast leaves 100 Million under Wind Chill warnings. Even south is bracing for windsor conditions. Snow blankets little rock, arkansas blasting from texas to the appalachians. Todd coldest Iowa Caucus ever. Wind chill negative 30 or below for thursday. Janes jan has the forecast. Janice coldest caucus on record. As far south as corpus christi, te texas. Coldest air in years