Isaias is still a tropical storm, according to the National Hurricane Center's 8 p.m. ET advisory, with maximum sustained winds of 70 mph.
The NHC said Isaias is "expected to re-strengthen to a hurricane overnight while it approaches the southeast coast of Florida."
Isaias continues to head toward the US. The latest forecast shows the storm traveling close to Florida's Atlantic coast tomorrow, but it's still not clear if it will make landfall.
NHC's latest forecast is below, and you can follow Isaias' path here.