Tropical Storm Erin is now expected to become a Category 4 hurricane, with maximum sustained winds of 130-mph.

Tropical Storm Erin has struggled to organize, but conditions are favorable for it to become a hurricane later today.

Tropical Storm Erin is expected to strengthen into a hurricane. See the latest update on Friday, Aug. 15. Tropical Storm Erin is continuing its path west on the way to becoming a major ...

Tropical Storm Erin is expected to strengthen into a hurricane. See the latest update on Friday, Aug. 15. ...

As Erin continues to churn over very warm water, the storm will gain quick momentum and will likely become the first major ...

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

While the most likely track keeps Erin offshore from the U.S. East Coast, shifts in the storm’s path could bring strong winds ...

Erin is expected to become a hurricane Friday, Aug. 15 and a major hurricane by Sunday morning. What Florida can expect from ...

Tropical Storm Erin slows to 17 mph but is expected to become a hurricane by Friday, likely tracking east of the U.S. East ...

Erin strengthened into a strong tropical storm with sustained winds of 70 mph on Thursday evening while over the open tropical Atlantic, according to the National Hurricane Center.

Tropical Storm Erin is continuing to gain strength, and forecasters with the National Hurricane Center (NHC) expect the ...

While a curve back out to sea is widely expected and forecast in models, any impacts Erin could have on Florida and the U.S.