MOUNT PLEASANT, S.C. (WCBD) — Thursday is shaping up to a chilly and gloomy day thanks to a wedge building in from the north. We get a mostly cloudy sky with areas of drizzle through the day. And we only warm to highs in the low 40s, except north of the lakes where some spots get stuck in the upper 30s.
A Winter Weather Advisory has been issued for tonight from 11 PM until 9 AM on Friday morning for Berkeley, Dorchester, Charleston and inland Colleton counties. What we are seeing is the potential for freezing rain to mix in over in some area that has a chance for rain. The cold temperature is in place with overnight lows in the upper 20s to low 30s. But the chance for rain is only 40%-50%. The most likely areas to see rain are along the coast, as the central focus for the moisture is over the Atlantic Ocean. Where we see rain, freezing rain will mix in leading to the possibility of icy roads and sidewalks on Friday morning. The most likely roads to see icy conditions are the overpasses and bridges because the cold air running underneath those surfaces, cools them more efficiently than other surfaces.
The good news is that any icy conditions will be short lived. We expect to see anything we do get melt off by mid-morning. The sky clears through the day Friday, but it’s another chilly day with highs only in the mid-40s. A minor warm-up is in store for Saturday with highs back to the low to mid-50s and a mainly sunny sky. New Year’s Eve, we drop back to highs in the mid-40s with a mostly sunny sky and then overnight lows take a tumble to the upper 20s to the low 30s so you need to bundle up as you head out to celebrate. The start of 2018 looks even colder with highs struggling in the upper 30s to low 40s and lows in the 20s!