Winter storm update: 2,100 flights canceled across US; temperature drops breaking records. Here's the latest.
![Winter storm update: 2,100 flights canceled across US; temperature drops breaking records. Here's the latest.](https://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/0/fc/0fc4be4c-a10a-5c70-b2d6-e3fb004d4111/63a478bb55e8a.image.jpg?resize=300%2C200)
A major winter storm is bringing record-breaking temperature drops and harsh snowy conditions that have resulted in flight cancellations, highway closures and several state emergency declarations.