It may be time to layer up, readers — nearly 60 million people in the US are under winter weather alerts today. You can stay ahead of the storm by checking CNN’s weather alert tracker for the latest advisories, watches and warnings.

Here’s what else you need to know to get up to speed and on with your day.

1️⃣ Hazardous travel

Severe winter weather is unleashing travel chaos across the US, causing widespread flight delays and road accidents. The storm is expected to strengthen rapidly into a bomb cyclone as it tracks up the East Coast today. Air travel was hit especially hard on Monday, with Chicago’s O’Hare International Airport reporting the most disruptions. Over 1,500 flights were delayed and more than 300 were canceled. Road conditions are also deteriorating in multiple states.

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