Atlanta , Georgia ( CNN ) -- Some southern states were getting a second round of unseasonal snow Tuesday , prompting airlines to cancel flights and schools to close for the day . Parts of several southern states remained under a winter storm warning Tuesday , as a developing low-pressure system threatened to spread snow and rain across portions of Alabama , Georgia , Tennessee , Kentucky and the Carolinas , the National Weather Service said . Snow fell north and west of metro Atlanta , Georgia , although the city , with a temperature hovering just above freezing , saw mostly rain . The weather prompted schools in several northern Georgia counties to close , according to CNN affiliates . Airlines also canceled flights . AirTran Airways has canceled 69 flights in and out of Atlanta , and is expected to cancel more this afternoon , spokesman Christopher White said . `` Should the [ weather ] event continue into the evening , there is a possibility of many more cancellations , '' he said . He said the airline is offering free rebooking and changes for anyone traveling to or from Atlanta . Delta Airlines said it has made about 250 cancellations for flights leaving Atlanta . `` Depending on the severity of the storm some additional thinning may be necessary , '' spokesman Anthony Black said . The airline is offering to reschedule Tuesday travel plans for those concerned about the weather , at no fee . Customers will have to pay any increase in fares , according to the Web site . The National Weather Service said snow will continue Tuesday afternoon across northeast Georgia and the western half of upstate South Carolina , although it will taper off later . Total snowfall accumulations of 2 to 4 inches are expected , mainly in areas along and north of I-85 . The same amount of snow is expected from Shelby , North Carolina to Gaffney and Union in South Carolina , the National Weather Service said . Snow is also possible in Tennessee , Kentucky and northern Alabama , it said . CNN 's Carolina Sanchez contributed to this report .
Storm warnings and winter storm advisories issued for the Southeast . US Airways has cancelled 69 flights into and out of Atlanta for Tuesday . Delta Air Lines cancelled about 250 flights Tuesday .