Hurricane Dorian, over the next few days, is expected to strengthen to a Category 3 storm by the time it hits Florida. As the Hurricane moves away from land, into open water, it is likely to turn into a major storm over the weekend before landing in mainland Florida.

"Dorian will likely be a very formidable hurricane as it approaches late Sunday into Monday morning," CNN quoted meteorologist Dave Hennen as saying.

On Wednesday, Florida Gov. Ron DeSantis while urging residents on the coast to get ready for the storm and monitor it closely, declared a state of emergency.

He added that residents should have seven days of supplies, including food, water, and medicine.

According to CBS News, Dorian became a Category 1 hurricane just before it made landfall on the U.S. Virgin Islands on Wednesday, where it caused power outages and minor flooding.

After battering the U.S. Virgin Islands on Wednesday, Dorian bypassed Puerto Rico and swept across the British and U.S. Virgin Islands.

On Wednesday night, Dorian, which was 90 miles north of San Juan, Puerto Rico and was moving northwest at 13 mph is expected to go from the current 85 mph to 115 mph as it approaches the Florida coast.

The meteorologists have, however, warned that it is too early to know exactly where and when the hurricane will hit the U.S. mainland.

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A home that was destroyed by hurricane Irma in Marathon, Florida, Sept. 19, 2017. Joe Raedle/Getty Images