Chicago Area Forecast: Poor Air Quality and 'Marginal' Risk of Severe Weather

The Chicago area is facing poor air quality due to wildfire smoke from western Canada, prompting an air quality alert. Hazy conditions are expected throughout the day, with residents advised to limit outdoor activities. Later in the day, there is a chance of thunderstorms, with the main event likely to develop late Sunday night as a cold front approaches. The Storm Prediction Center warns of a "marginal" risk of severe weather, including strong winds and hail. Temperatures will be in the low-80s, but conditions will improve on Monday with lower humidity. Showers and thunderstorms are possible midweek before another dip in temperatures.