Forecasters are watching a new tropical system that may form behind Hurricane Erin, which is intensifying again Monday as it tracks off the U.S. coast.

The entire Greater Houston region should prepare for heat and isolated storms today, with the best rain coverage starting Friday afternoon into Saturday morning. Stay hydrated and limit time outside during peak heat hours

When a tropical storm's winds reach 74 mph, the storm officially becomes a hurricane. Start the day smarter. Get all the news you need in your inbox each morning.

HONOLULU – Tropical Storm Iona formed south of Hawaii in the Central Pacific Ocean on Sunday evening. The National Hurricane Center (NHC) said Tropical Storm Iona’s maximum sustained winds ...

As of 11 a.m. today, the National Hurricane Center said the storm is moving “northeast away from the U.S. East Coast with little change in strength."

Tropical Storm Dexter is expected to continue strengthening. The storm could be close to hurricane strength in 48 hours, with some models saying it could become a hurricane.

Dexter was the fourth named storm of the Atlantic hurricane season, putting it on par with an average hurricane season, which usually has a fourth named storm by Aug. 3, according to Philip ...

Tropical-storm-force winds extend outward up to 115 miles from the center. Some strengthening is forecast during the next 48 hours as Dexter starts to become an extratropical cyclone.

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