Chicago, IL – A chilly night is ahead for much of northern Illinois, with patchy frost expected to develop in many areas outside of Chicago. Temperatures are forecast to dip into the mid-30s late Saturday into early Sunday, particularly in low-lying regions. According to the National Weather Service, clear skies and light winds will set the stage for frost formation, which could damage sensitive outdoor plants.
Frost is most likely in areas like Rockford, Belvidere, and Crystal Lake, as well as other cities outside the immediate Chicago area. Residents in these regions should take precautions to protect tender vegetation by covering plants or bringing them indoors, as the cold temperatures may cause harm to unprotected flowers, shrubs, and garden crops.
In urban areas like Chicago, the proximity to Lake Michigan will keep temperatures slightly warmer, but the risk of frost will be higher inland. The frost threat is expected to last through early Sunday morning, and temperatures should rise again by mid-morning…