Springfield, IL – Temperatures are set to drop near or below freezing overnight, creating a frost and freeze risk that could impact early Monday travel and damage sensitive plants across central Illinois.
According to the National Weather Service in Lincoln, breezy conditions Sunday will give way to clear skies and rapid cooling after sunset, with lows falling between 30 and 37 degrees by daybreak Monday. The coldest conditions are expected between 3 a.m. and 7 a.m., especially in rural and low-lying areas.
Cities including Springfield, Peoria, Bloomington, and Champaign will experience dry conditions, but the temperature drop may lead to patchy frost on bridges and overpasses. While no precipitation is expected, residual moisture combined with calm winds could create isolated slick spots on untreated roads like I-55, I-74, and US-51.
Residents are urged to protect outdoor plants, cover exposed pipes, and bring pets indoors overnight. Drivers heading out before sunrise should watch for unexpected icy patches, particularly in shaded areas.
Cool conditions continue Monday with highs in the upper 50s to low 60s before a steady warming trend begins Tuesday, with temperatures climbing into the upper 70s by midweek. Dry weather holds through at least Wednesday, with the next update expected early Monday morning as conditions stabilize.
