Alberto would mark the first named storm of the 2018 Atlantic season.
It's now a 40-mph storm located about 60 miles south of Cozumel, Mexico, according to the hurricane center's 2 p.m. Friday update. It has maximum sustained winds of 40 miles per hour.
Subtropical Storm Alberto is East of the Yucatan Peninsula of Mexico is producing widespread, but disorganized, shower and thunderstorm activity.
The storm is expected to become more organized as it moves north into the Gulf of Mexico on Saturday and Sunday.More news: NFL's Terrance Williams' Lamborghini Crash Pics and Video
An event in South Florida was canceled as a result of the expected rain, as well. But make no mistake, the risk of flash flooding will continue beyond Saturday morning as the tropical system begins to have more of an impact on our weather late in the weekend.
We are watching this system closely as we head into the Memorial Day Weekend.
The system could be a tropical storm or even a category 1 hurricane by the time it gets to the Gulf Coast, he said.
The National Weather Service said there was a 90 percent chance of it becoming a subtropical or tropical cyclone in the Gulf by the weekend.More news: Dwane Casey to Be a 'Primary Target' of Pistons' Head Coach Search
Subtropical storms also have maximum winds far from the center, rather than clustered tightly around the center like a tropical storm. The coastal Carolinas and southern Florida are expected to have more rain. "A Tropical Storm Watch means that tropical storm conditions are possible in the United States portion of that watch area within 48 hours". Little development is expected during the next couple of days due to strong upper-level winds and proximity to the Yucatan Peninsula of Mexico.
The heavy rainfall will have the potential to cause flooding of low-lying and poor drainage areas.
Severe storms on Thursday raged from Minnesota to Georgia, creating flooding and damaging trees and homes.
Today and Friday will be the driest in the coming days with chances of rain between 40 and 50 percent before that ramps up to 70 percent over the weekend.More news: US launches criminal probe into bitcoin price manipulation