Where is Tropical Storm Dexter? Atlantic hurricane season is June 1 to Nov. 30, 2025, with most tropical storm activity between August and October.

Dexter was a tropical storm in the North Atlantic Ocean late Sunday Eastern time, the National Hurricane Center said in its latest advisory. Dexter is the fourth named storm to form in the Atlantic in 2025. It was not expected to be an immediate threat to land.

The Atlantic hurricane season is waking up as one system is expected to steer away from the U.S. while two other systems bear watching in the tropics. Here's the latest.