Isaias has become a hurricane. Here's what to know.

NBC Nightly News with Tom Llamas Full Episode - Oct. 7

NEW: Isaias strengthens into hurricane, barrels toward Gulf Coast

Gulf Coast braces for Hurricane Isaias

Hurricane Isaias intensifies as it takes aim at the Gulf Coast

LIVE: Tracking Tropical Storm Isaias as it heads toward Gulf Coast | NBC News

Isaias to become major Hurricane in the Atlantic

Isaias becomes 1st hurricane of Atlantic hurricane season

Latest forecast of Tropical Storm Isaias' path

Shelves empty as shoppers prepare for Hurricane Isaias

Hurricane watch issued ahead of Isaias

Tropical Storm Isaias expected to strengthen into first hurricane of Atlantic season

Tropical Storm Isaias Heads For Gulf Coast—What To Know As Storm Strengthens

Tracking Tropical Storm Isaias: Storm to make landfall as hurricane this week

Millions brace for Hurricane Isaias to make landfall

Tropical update: Hurricane Isaias moving toward northern Gulf, expected to strengthen

Tropical Storm Isaias is forecast to strike the US Gulf Coast as a hurricane

South Florida first responders prepare to head north ahead of Hurricane Isaias

Hurricane Isaias forms, expected to intensify: NHC