Multiple systems are pushing across the Northern Tier of the country this week, bringing heavy snow to the Great Lakes, Ohio Valley and Northeast.

After Winter Storm Warnings were issued in parts of the South on Saturday, snow arrived as far south as Pensacola, Florida.

A coastal low brings snowfall to the major metropolitan areas along the I-95 corridor, including New York City, Boston, Philadelphia and Baltimore this weekend. Snowfall could impact travel for the long weekend. New York City is expected to see 1 to 3 inches of snow, Boston could see 4 or 5 inches of snow, and Cape Cod could see 5 to 8 inches of snow. Here’s the latest.

A wreck near Lafayette, New York is reported to involve 20 to 40 vehicles. A snow squall may be to blame.

Arctic air is plunging south from Canada into the Northern U.S., bringing bitter cold temperatures to much of the region. Over 200 million people are forecast to see below freezing temperatures across the country. Wind chills are forecast to drop to 20 to 30 degrees below zero by Monday morning in parts of Minnesota. Wind chills in the teens are expected across the major cities of the Northeast. This bitter cold temperature can cause frostbite in just 30 minutes, so make sure to stay safe and warm. Here’s the latest forecast.