Special Weather Statement issued December 11 at 3:32AM EST by NWS Indianapolis IN

Snow showers and snow squalls will develop this afternoon and
evening across Central Indiana focused especially between 2 pm and
8 pm. Snowfall rates will be locally heavy at times producing
drastically reduced visibilities and brief whiteout conditions as
winds gust to around 40 mph. As temperatures fall late today into
the evening…flash freezing of surfaces will also be possible.

Conditions can deteriorate rapidly within heavy snow showers with
little warning. Traveling will likely be hazardous at times,
especially during the evening commute.