Overview

• Northeast Ohio will enjoy low-80s highs and falling dew points Tuesday before heat indices climb into the 90s by Wednesday
• A heat advisory covers much of Southern New England from Tuesday morning through Thursday evening as dew points surge into the mid-70s
• Most Chicagoland counties remain under an Air Quality Alert until midnight Tuesday with unhealthy conditions for sensitive groups
• A disturbance from the Mississippi Valley will trigger scattered thunderstorms and pockets of heavy rain across the region Wednesday through Friday
• A cold front expected Friday will lower humidity and temperatures, setting up slightly cooler, drier conditions for the weekend