The weather may have been pleasant in New Jersey over the past few days, but conditions are about to change for the worse.

Storm Watch Team Meteorologist Dave Curren is tracking a storm system that is expected to bring heavy rain and the possibility for some thunderstorms Wednesday night into Thursday morning.

Tuesday night will see partly cloudy skies with temperatures cooling into the upper-30s.

Wednesday will start off cloudy, with some rain developing by the afternoon. Heavier rain will develop by the nighttime hours. Daytime highs will be around 48 degrees, with overnight lows in the upper-30s.

LIVE BLOG: News 12 weather updates

The rain will continue overnight into Thursday. Curren says that there could be some grumbles of thunder by Thursday morning. He also says there is a small chance for some sleet and ice pellets – especially in areas of the state above 900-1,000 feet. Curren says that the roadways are not expected to become icy.

Daytime highs on Thursday are expected to reach the mid-50s. Overnight lows will cool into the mid-40s. Rain is expected throughout the rest of the day but will move out by the evening.

Friday will see mostly cloudy skies, with some sunshine peeking through. Daytime highs will be in the low-60s, with overnight lows around 45 degrees.

The weekend is shaping up to be pleasant, with a mix of sun and clouds for both Saturday and Sunday. Temperatures are expected to be in the 50s.