Enjoy what's left of our "warmest" air we'll have for awhile. Just before noon, temperatures remained in the 40s around Indy. The passage of an arctic front this afternoon drives temperatures steadily into the 30s by 2 p.m. and 20s by 6 p.m.
In addition, wind chills drop into the 20s by 2 p.m., teens by 6 p.m. and single digits before midnight. You'll need to layer-up kids much warmer for the bus stop Thursday morning as it will "feel" 40+ degrees colder than the relatively balmy start of Wednesday morning.
Clouds mainly will look worse than what actually comes from the sky today. The majority of our viewing area misses out on snowfall the next 24 hours, with an expected snow swath near/south of the Ohio River and heavier snow on the southeastern/southern shores of Lake Michigan.
With that said, a period of rain/snow is possible south of Indy this evening... and combined with temperatures dropping quickly could create a "flash freeze" of moisture on roads/sidewalks. We'll also be monitoring the impacts of a steady northerly wind driving down some lake effect flurries/snow showers overnight into Thursday — possibly as far south as the Indy metro area.
It's likely some areas of north-central Indiana will get a coating to a little more if any persistent lake bands can emerge.
Otherwise, cold will be the bigger story the remainder of the week, and we'll wait and watch on the progression of what looks to be a clipper pattern setting up over the Great Lakes/Ohio Valley this weekend into next week.