Clouds will cover southeast Wisconsin by midnight and then showers and thunderstorms follow after 2 or 3 am.
Low temperatures will will bottom out in the mid to upper-30's and then rise a bit before dawn with the area of rain. Temperatures will remain cool on Friday with scattered showers or thunderstorms around mainly in the morning. Mostly cloudy skies will continue for the remainder of Friday and into Friday night. A warm-up returns for the weekend with mid-fifties and some sunshine on Saturday and high temperatures in the seventies on Sunday.