Tropical Storm Erin is forecast to strengthen into a hurricane on Friday as it tracks north of the Caribbean and intensifies into a major Category 3 storm. Here’s the latest forecast.

Tropical Storm Erin is approaching Puerto Rico and the Virgin Islands, bringing heavy rains that could cause flooding and landslides.

Tropical Storm Erin could be hours away from becoming a major Category 4 hurricane as it barrels across the Atlantic toward the US East Coast, raising alarms from the Caribbean to New England. "Erin is forecast to strengthen into a hurricane later today,