This morning, we're watching a little storm system move through the Midwest; it's headed our way. There isn't much moisture associated with it, but it's causing some light snow.
A radar composite loop centered on Illinois shows some light snow falling.
Image Source: WeatherBELL
Usually, the Appalachians wring most of the moisture out of these weak features, and we stay dry in South Carolina as they move through. This one might be an exception.
This storm appears to be targeting the Land of Vinegar Sauce more than us, but areas close to the state line might see some flakes in the pre-dawn hours of Tuesday. The odds are long that any accumulations occur in the Palmetto State, but I can't rule it out. Here's the worst I could find of the computer models so far.
A forecast model plot showing light snow accumulations over the Catawba River Area and upper Pee Dee early Tuesday.
Image Source: WeatherBELL
Again, that looks like a worst-case scenario. Nobody's going to get snowed in. Do not rush out for bread, milk, and other snowstorm staples. However, if you live in these areas with a chance for a dusting early Tuesday, allow extra time to get to work. You might need to take it slow on the elevated roads. The ground is warm, so most road surfaces should not get coated with (at worst) only a quarter-inch of snow falling, but it might cause a slick bridge here and there.
Behind this weak feature will come frigid air for a couple of days. Highs will only reach the 40s on Tuesday, and Tuesday night will be bitter.
A plot of forecast lows from the National Weather Service for Wednesday morning.
Image Source: WeatherBELL
It's time to deploy the outdoor faucet covers and ensure your home's pipes are properly insulated. Give any exposed pipes a wrap this evening if it's needed.