Chicago, IL – A freeze warning remains in effect across northern Illinois and parts of northwest Indiana overnight, with temperatures expected to drop as low as 27 degrees before sunrise Monday.
According to the National Weather Service, the warning runs from midnight CDT (1 AM EDT) through 9 AM CDT Monday, impacting a wide stretch of central, east central, north central, and northeast Illinois, including areas near Joliet, Kankakee, Aurora, and extending toward northwest Indiana.
Forecasters say the coldest conditions will hit interior portions of northern Illinois, where clear skies and light winds will allow temperatures to fall quickly overnight. The timing could catch some residents off guard as the region transitions deeper into spring.
The biggest concern is the impact on vegetation and infrastructure. Sensitive plants and early-season crops may be damaged or killed if left unprotected, while exposed outdoor plumbing could also face issues in colder pockets.
Officials recommend covering or bringing in tender plants, disconnecting hoses, and taking basic precautions to protect outdoor pipes. Gardeners and homeowners are especially urged to act before midnight as temperatures begin to drop steadily.
This cold snap follows a stretch of milder weather, making the sudden freeze more impactful for both agriculture and home landscaping across the region.
Conditions are expected to improve later Monday morning as temperatures climb back above freezing, but the overnight window poses the highest risk.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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