Nation Gulf Coast bracing for up to 20 inches of weekend rain; tropical storm warning issued for four states June 18, 2021Cheryl McCloud and John Bacon, USA TODAY NETWORKComments Off on Gulf Coast bracing for up to 20 inches of weekend rain; tropical storm warning issued for four states An ominous weather system slowly rolling toward the Gulf of Mexico was threatening to strengthen before slamming onto shore across four states.