Forecasters believe the system could form into a tropical depression next week and move into the Gulf of Mexico.

About 24% of crude oil production and 18% of natural gas output in the U.S. Gulf of Mexico was shut in response to Hurricane Helene, the U.S. Bureau of Safety and Environmental Enforcement said on Friday.

That will keep shower and thunderstorms in the forecast there and in the Mid-Atlantic, though the National Weather Service deems the remaining flood threat to be comparatively “marginal.” “Heavy intensity and accumulations are not expected to be widespread or heavy,