Tropical Storm Francine likely to become a hurricane on Tuesday: NHC

TAMPA, Fla. (WFLA) — Tropical Storm Francine is expected to become a hurricane on Tuesday as it churns in the Gulf of Mexico.The storm has maximum sustained winds of 65 mph and is located 120 miles southeast of the mouth of the Rio Grande, according to the National Hurricane Center's 11 a.m. update.Francine is expected to strengthen significantly as it moves slowly toward the coast. The storm is forecast to make landfall on Wednesday in Louisiana as a hurricane.The following watches and wa