From the National Weather Service:
BLACK ICE AND SLICK SPOTS ARE POSSIBLE ON ROADWAYS EARLY
TUESDAY MORNING…

AREAS OF RAIN WILL PUSH ACROSS THE REGION THROUGH TONIGHT…
RESULTING IN WIDESPREAD WET SURFACES. TEMPERATURES COULD DIP TO
FREEZING BEFORE SUNRISE FOR MANY AREAS… GENERALLY ALONG AND
NORTH OF A LA GRANGE TO ATHENS LINE. THIS WILL RESULT IN PATCHES
OF BLACK ICE… ESPECIALLY ON BRIDGES AND OVERPASSES BETWEEN 5 AM
AND 10 AM TUESDAY MORNING. THIS INCLUDES THE ATLANTA METRO AREA.

IN ADDITION TO THE BLACK ICE THREAT… A BRIEF MIX OF RAIN WITH
SLEET AND SNOW… OR BRIEF PERIOD OF FREEZING RAIN IS ALSO
POSSIBLE JUST BEFORE THE RAIN ENDS EARLY TUESDAY MORNING. LITTLE
OR NO ACCUMULATIONS ARE EXPECTED AT THIS TIME.

TEMPERATURES ARE EXPECTED TO WARM ABOVE FREEZING BETWEEN 9 AM AND
10 AM TUESDAY MORNING… GREATLY DIMINISHING THE BLACK ICE THREAT
ACROSS THE AREA BY MID TO LATE TUESDAY MORNING.

MOTORISTS ARE URGED TO SLOW DOWN AND USE EXTRA CAUTION DURING
THEIR TUESDAY MORNING COMMUTE. BE ALERT FOR ISOLATED SLICK SPOTS…
ESPECIALLY ON BRIDGES AND OVERPASSES THROUGH MID TO LATE TUESDAY
MORNING.