National Weather Service meteorologists predicted wintry precipitation across the southern Plains region starting Wednesday night, with snow likely in Texas, Oklahoma and Arkansas. Farther south, snow could transition to sleet and freezing rain,

Cities that are not accustomed to seeing much snow or ice, like Dallas, could experience significant accumulations.

A winter storm is poised to pummel Texas and the US South later this week, putting the region at risk of blackouts and travel mayhem.