Sunshine will return to central Illinois on Sunday and Monday, but conditions will remain on the cool side. Afternoon high temperatures will only be in the 60s, while overnight lows dip into the 40s and 50s. After that, a slow-moving storm system will pivot into the region from the southwest. This will lead to a prolonged period of showery weather starting Tuesday and lingering through Thursday. While it will not rain for that entire time, it appears the heaviest and steadiest rains will be most likely Tuesday night into Wednesday.