(WGHP0 -- Wednesday's chill will be followed by a short warming trend. Sunny and chilly on Wednesday with lows around 20 degrees and highs in the upper 30s. Thursday, mostly sunny with lows in the upper teens and highs in the middle 40s. Sunny on Friday with lows in the middle 20s and highs near 50 degrees. An approaching cold front will bring rain into the Piedmont on Saturday with highs in the upper 40s. Chance of rain 80%. The cold front will linger across the Carolinas on Sunday. Scattered showers will remain in the forecast with highs in the middle 40s. Chance of rain 40%. Very cold air will drop in behind our weekend cold front. So, on Dr. Martin Luther King, Jr Day Monday, look for partly sunny skies with highs in the middle 30s. Tuesday, partly to mostly cloudy skies with lows in the middle teens and highs in the lower 30s.