Gulf Coast residents in Texas, already soaked by 7 inches of rain, grappled with flooded roads Thursday as Tropical Storm Frances churned slowly offshore.

The storm, with winds of 45 mph, was expected to make landfall about 50 miles south of Brownsville in northern Mexico on Friday. But its path and timetable were still uncertain as Frances remained nearly stationary."It isn't really moving yet, so we obviously have to slow the predictions down," said Paul Yura, a meteorologist with the National Weather Service in Brownsville.

Computer models showed Frances' winds could intensify to 60 mph before it reaches land.