Wildfire Smoke Persists Amid Severe Thunderstorm Threat in Midwest, Northeast
Wildfire smoke from Canadian wildfires continues to affect air quality across the Midwest and Northeast. AccuWeather meteorologists are monitoring severe thunderstorms expected to develop through midweek, potentially bringing some relief. Cooler, less humid air from the Great Lakes is clashing with warm, humid air from the Southeast, triggering storms. Severe weather risks include damaging winds, hail, tornadoes, and flash flooding, particularly in areas from Iowa to Pennsylvania. Rainfall in western Ontario may aid firefighting efforts, potentially reducing smoke levels. 
