AccuWeather meteorologist Heather Zehr joins Chris and Amy to provide a winter storm update. She predicts light snow and flurries today with minimal accumulation but warns of icy roads and 1-3 inches of snow in St. Louis by tomorrow, with heavier snowfall further south. Wednesday morning could see the worst travel conditions. Heather emphasizes the storm's unpredictability and the possibility of additional snow systems later in the week.