Tropical Storm Arthur Wind Speed Probabilities Issued

The National Hurricane Center has issued updated wind speed probability graphics for Tropical Storm Arthur, providing forecasters and the public with the latest outlook on the storm’s potential impact.

The graphics display the probability of 34-knot wind speeds affecting different regions over a 120-hour forecast window. These probability maps are a standard tool used by meteorologists to communicate the range of possible storm impacts.

According to the National Hurricane Center, the wind speed probability data was last updated on Wednesday, June 17, 2026, at 4:33 PM GMT.

Residents in potentially affected coastal areas are encouraged to monitor the latest updates from the National Hurricane Center as the storm continues to develop.