AdvertisementDeadline Is Friday For Most ACA Insurance Sign-Ups, With Important ExceptionsDecember 12, 2017Michelle AndrewsfacebookEmailA week after Hurricane Harvey swept through southern Texas in August, the streets of Katy, Texas, were still flooded. People in Puerto Rico and the Southeastern U.S. who were affected by the hurricanes are among those who may have extra time to enroll for 2018 health plans. (Getty Images)