According to the National Weather Service, Saturday will be sunny with a high near 21 in Wheaton, with wind chill values as low as -3.
Saturday night will be mostly clear, with a low around 12 and wind chill values as low as -4.
Sunday will be sunny with a high near 30. Sunday night will be clear with a high of 19. Monday will be cloudy with a high near 32 and a 60 percent chance of snow.