Chicago, Illinois – A lake-enhanced cold front is triggering a steep temperature drop across northern Illinois Sunday afternoon, with rain chances climbing sharply into Tuesday and Wednesday.
According to the National Weather Service Chicago, areas within 50 miles of Lake Michigan will feel the biggest impact, as afternoon highs fall into the 50s by Tuesday. Scattered showers begin late Monday night, becoming locally heavy by Tuesday morning with breezy conditions. Intermittent drizzle and light rain will linger into midweek, with overnight lows dipping into the low 40s and even upper 30s inland.
Cities including Evanston, Waukegan, and Gary, Indiana could see steady rainfall during commutes Tuesday and Wednesday, while road slickness and reduced visibility may cause delays on I-90 and Lake Shore Drive. Rain totals could be highest along the immediate lakeshore due to enhanced moisture from the lake effect.
Residents should plan for cooler days, bring rain gear, and delay non-essential travel during heavier showers. Keep devices charged and monitor drainage areas, especially near low-lying neighborhoods vulnerable to ponding.
Showers taper off by Thursday, but cooler-than-average temperatures will persist. More updates are expected as additional advisories may be issued.