Tropical Storm Barbara has formed off the southwest coast of Mexico, the National Hurricane Center in Miami said June 8.

Tropical Storm Barbara was strengthening Sunday off the southwest coast of Mexico and was expected to become a hurricane but without menacing land, the National Hurricane Center in Miami said. Barbara was located about 170 miles (275 kilometers) south-west of the touristic port of Zihuatanejo in Guerrero state,

Two to four inches of rainfall in portions of Mexico's western states may lead to flooding and mudslides through Monday.