The governor of Florida is urging people there to 'get out now' as the state prepares for Hurricane Irma.
5.6 million residents have been asked to evacuate.
What's now a Category Five storm has killed at least 21 people in the Caribbean.
The Red Cross is running shelters in Florida.
Hurricane Irma strengthened back into a Category 5 storm on Friday night as it made landfall on the Camaguey Archipelago of Cuba with maximum sustained winds of 160 mph.
Roberto Baltodano from the charity says those in need must come prepared.
