Springfield, Illinois – Pleasant skies will stick around through Sunday, but Central Illinois residents should prepare for scattered storms starting Monday and continuing into Tuesday. Rain chances could climb as high as 80% early next week, bringing potential disruptions to travel and outdoor plans.
According to the US National Weather Service Central Illinois, tonight’s temperatures will dip to a cool 45–50 degrees with breezy conditions across the region. Sunday remains mostly sunny and mild, with highs between 75 and 80 degrees, offering one last quiet day before unsettled weather moves in.
Storm chances increase Monday afternoon, with rainfall probabilities ranging from 40% to 80% through Tuesday evening. Cities including Springfield, Bloomington, and Decatur may see periods of heavy downpours, especially during peak commuting hours. Motorists should anticipate slick roads on I-55 and I-72 and allow extra travel time.
Overnight lows will rise into the 60s by Tuesday, adding to the muggy conditions ahead of midweek. While rainfall tapers off by Wednesday, a slight 20% chance of lingering showers remains, with temperatures warming into the low-to-mid 80s.
Keep devices charged and stay alert for potential weather advisories as storms develop Monday. The National Weather Service advises checking for updated alerts, especially if travel is planned during the Monday evening or Tuesday morning commutes.



