According to the National Weather Service, Santa might have to get Rudolph ready because. there's a chance of... wait for it... SNOW!!

The NWS Reports: 

Monday: Mostly sunny, with a high near 44. Light and variable wind becoming south southeast around 5 mph in the afternoon.
Monday Night: A slight chance of snow showers after midnight, mixing with rain after 5am. Partly cloudy, with a low around 32. Southeast wind 5 to 7 mph.
Christmas Day: A slight chance of rain and snow showers. Partly sunny, with a high near 49. Southeast wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind 6 to 8 mph becoming southeast after midnight.
Well, it's something. And the weather could always change because this, my friends, IS the Ohio River Valley where anything is possible. :D