Up to a half inch of snow is expected to fall on Tuesday, with several waves of low pressure affecting the area starting Monday night. The National Weather Service predicts that a significant warm-up is expected late next week. Snow may turn to all rain after 4 p.m. on Tuesday. On Wednesday, Thursday, Friday, and Saturday, there is a 40 to 50 percent chance of rain. Temperatures are expected to reach the 60s on Saturday.