Snow will develop late this afternoon, and is expected to become heavy at times tonight with some snowfall rates of 1-2″ per hour.
By Wednesday morning, expect totals of 4-7″ in the Indy metro with 6-10″ north of I-70. 2-5″ south of the Indy metro will be possible with more sleet/ice mixing in. If the precip stays mostly snow, expect the higher end of those totals.
A Winter Storm Warning is in effect for Central Indiana starting at 1pm today, and ending Wednesday. Travel will be hazardous and dangerous tonight into Wednesday morning.
The snow will come to an end by late Wednesday morning.