Which states are currently under winter weather advisories and what conditions are expected?

Nebraska and Michigan are both currently under winter weather advisories. The National Weather Service has issued these warnings due to hazardous conditions that include ice and snow accumulation, which is making travel particularly treacherous. In Michigan specifically, large swathes of the state are affected, with dangerous road conditions expected to persist. These advisories are part of a broader weather pattern involving a polar vortex affecting the Midwest region, creating potentially dangerous situations for travelers and residents alike.