Overview
- An Air Quality Alert is in effect for 13 Chicagoland counties through midnight Tuesday due to lingering wildfire smoke.
- Chicagoland’s air is forecast to be unhealthy for sensitive groups until late Tuesday when a low-pressure system is expected to improve conditions.
- Tuesday and Wednesday will see highs near 90°F with isolated evening showers possible.
- Slow-moving storms on Wednesday and Thursday may trigger localized flash flooding and stir choppy conditions on Lake Michigan.
- Highs will dip into the low 80s on Thursday and Friday under mostly cloudy skies before scattered showers return Saturday with temperatures near seasonal averages.