South Mississippi casinos closing ahead of Hurricane Sally. Here’s what you need to know Mary Perez, Sun Herald · September 15, 2020 at 7:22 am Just a few months after reopening in May, South Mississippi casinos are closing as Hurricane Sally nears the Coast. Mississippi Gaming Commission on Monday ordered the 12 casinos in South Mississippi to close by 4 p.m. Monday. Sally is forecast to make landfall Wednesday, bringing life-threatening storm surge and 8-16 inches of rain, with 24 inches possible in some locations. Gov. Tate Reeves said Monday morning that the storm is forecast to come on shore at 2 a.m. Wednesday in Biloxi, where eight of the 12 Coast casinos are located. At 11 a.m. Monday, the road leading to Silver Slipper Casino in Hancock County had already flooded.