that s something we ll watch closely through the afternoon hours. cold air is on the move. look at this difference. you can see what s happening here. to the east, springlike weather. savannah, 81 degrees. it feels like summer there. and not too far to the west, freezing temperatures. dallas dropped 50 degrees overnight, and they are what? walking out the door to 37 i know. i can hear you. 50 degrees. and it s feeling like the teens today. that cold air will rush to the east and set the stage for some snow in the mid-atlantic. so alex, we are all over the place. we have like four seasons on this map. it s been very busy and continues to be very busy. 50 degrees in dallas overnight of a drop? whoa. thank you, michelle. appreciate that. classes are back in session tomorrow for many students after the long holiday break. but some school districts are reconsidering their plans. let s go to nbc s liz mclaughlin from raleigh, north carolina. hi, liz. welcome. how is the omicr