As cold air spills into the center of the nation behind a band of heavy rain, dangerously icy conditions are expected to develop.
Following the recent surge of unseasonable warmth in the Central and Midwest states, the cool and wet weather that followed felt especially wintry. The frigid air that follows will feel particularly biting, as well.
After nearing 70 degrees Fahrenheit in St. Louis on Tuesday, temperatures are expected to remain in the low 30s F on Wednesday. And unlike Tuesday’s pooling rainfall and runoff, any precipitation on Wednesday will freeze where it lands.