At a Glance Tropical Storm Sally is expected to strengthen in the Gulf of Mexico.Sally is forecast to become a hurricane before landfall. Flooding rain is a major threat from Sally on the Gulf Coast.Life-threatening storm surge is also expected in parts of Louisiana and Mississippi. Damaging winds are possible near where Sally's center crosses the coast. This is a previous version of our forecast for Tropical Storm Sally. To see the latest updates on the storm, The Weather Company’s...