High waves and gusty NNE winds make Lake Michigan dangerous Thursday; expect 4–7 ft surf and hazardous currents through the evening. Stay out of the water.

High waves and dangerous currents will keep swimmers off Lake Michigan through Thursday night. An Air Pollution Action Day asks sensitive groups to limit outdoor activity.

An Air Pollution Action Day covers much of the Chicago metro as ozone climbs into unhealthy ranges; officials say vulnerable people should limit time outdoors.

Warm inland highs near 78°F today while the lakeshore stays in the 60s. A backdoor front late Wednesday brings cooler, breezy conditions Thursday.

Patchy morning fog near Lake Michigan gives way to sunshine and highs near 75°F inland. Lakeshore stays cooler with only a small midweek shower chance.

Heavy morning storms may disrupt the commute. Clearing and warm weather return for Memorial Day.

Cloudy start with isolated lake showers and highs in the low 60s. Sunny, warmer Memorial Day on Monday with highs near 79°F.

Tests show paint flakes in the Fox River near St. Charles contain about 18% lead. IEPA has ordered Union Pacific to propose a cleanup plan.

Blustery, cool Friday with dangerous Lake Michigan surf through Saturday. Slight chance of showers tonight; Memorial Day looks sunnier and warmer.

Gusty northeast winds and 4–6 ft waves have put Chicago beaches under advisories through Saturday. Avoid swimming and check daily flags before heading to the lake.

A statewide survey found microplastics in Lake Michigan, the Chicago River and other Illinois waterways, prompting renewed calls for stronger source controls.

Cloudy, cool and breezy with a Beach Hazard Statement for Lake Michigan; waves 4–6 ft and dangerous currents through Thursday.

State regulators ordered the evacuation of Fox Shore Apartments in Aurora after inspectors found asbestos during renovations; residents will be relocated while the building is cleaned.