Scenario 3: Tropical Storm Isaias forms, heads north and makes landfall on the Gulf Coast, bringing strong winds and storm surge on top of heavy rain. This scenario would be the most impactful outcome, although Isaias would still likely stay below hurricane strength.

Tropical Storm Polo is expected to bring heavy rain and flooding to parts of the southwestern United States.

Editor's note: This page summarizes news on Tropical Storm Bertha for Tuesday, July 21. For the latest on Bertha, visit USA TODAY's coverage for Wednesday, July 22. Tropical Storm Bertha slogged toward the Gulf Coast, forecasters from the National ...

Forecasters say a tropical depression could form in the Gulf this week. Here is what Mississippi can expect.

Tropical Storm Isaias is forecast to rapidly strengthen into a dangerous Category 2 hurricane that will threaten the U.S. Gulf Coast, including part of the Florida Panhandle.

Tropical Storm Isaias is expected to become a hurricane. What to know about storm surge warning, life-threatening weather in Mississippi forecast.

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Enjoy the Comfortable Weather While It Lasts