You are using an older browser version. Please use a supported version for the best MSN experience.

Tropical Storm Sam expected to become major hurricane

Tropical Storm Sam is sitting over the Atlantic Ocean, expected to become a hurricane and reach a major category level. NBC News’ Meteorologist Michelle Grossman reports on where the storm will travel and what to expect.

UP NEXT

UP NEXT

More Weather Video Partners

image beaconimage beaconimage beacon