A Winter Weather Advisory remains in effect for most of the metro, which is set to expire at 7 a.m. Wednesday.“We’re already seeing some light snow,” Severe Weather Team 2 Chief Meteorologist Brad Nitz said.

As winter weather bears down on the metro Atlanta area and dangerously cold temperatures remain through the day, there have already been a number of cancellations and delays for flights into and out of the Hartsfield-Jackson Atlanta International Airport.

As winter weather moves into metro Atlanta, here's a look at what businesses are altering hours or closing altogether. Here's an ongoing list of closures and business hour changes across metro Atlanta to know about: The zoo will be closed on Tuesday due to "unseasonably cold temperatures and the potential for winter weather.

The snowflakes have barely started to fall, but flights are already being canceled at Augusta Regional Airport. Meanwhile, hundreds are canceled in Atlanta.

Hundreds of inbound and outbound flights at the Atlanta airport have already been canceled or delayed ahead of Tuesday’s winter weather.Over 500 flights at Hartsfield-Jackson Atlanta International Airport were delayed Monday night.