An unseasonably chilly week is in store. Lake-effect rain showers will be triggered by cool air moving over the relatively warmer waters of the Great Lakes on Monday and Tuesday.Another cold front arrives Thursday night and will bring another round of showers and thunderstorms. We get a reinforcing shot of chilly air in here behind that weather system late week.MONDAY AFTERNOON: Breezy, Cooler, Few Spotty Showers, Breaks of Sun, High: 65 hills, near 70 north, Wind: W 8-18 gusts to 30 mphMONDAY N