Tropical Storm Erin formed on Monday and is expected to become a hurricane, and possibly a major hurricane, later this week.

Brief: Tropical Storm Erin is likely to become a hurricane in the next 48 hours, according to the National Hurricane Center ...

Tropical Storm Erin is expected to become a hurricane by late on Aug. 14, according to the latest advisory from the National ...

Tropical Storm Erin is expected to begin strengthening and is likely to become a hurricane in the next 48 hours. See storm ...

The chances that the storm will make landfall in the U.S. have increased slightly after the path shifted south.

Tropical Storm Erin is still moving quickly westward and is forecast to become a hurricane in a few days over the central ...

Hurricane forecasters say Tropical Storm Erin is set to strengthen into a hurricane and then a major hurricane within a matter of days.

Erin is forecast to become at least a Category 3 hurricane by Friday, but the storm is still thousands of miles away from the mainland United States.

Erin is expected to continue to strengthen and eventually become a hurricane while crossing the Atlantic later this week.

The National Hurricane Center expects the storm to strengthen over the next several days and says it could become a hurricane ...

Tropical Storm Erin is expected to gather strength gradually as it moves through the open waters of the Atlantic.

Tropical Storm Erin is expected to become a hurricane by late on Aug. 14, according to the latest advisory from the National Hurricane Center.