ABC 7's Jalyn Henderson tells you what to expect this weekend.CHICAGO (WLS) -- ABC 7's Jalyn Henderson tells you what to expect this weekend:- Dangerous heat all weekend. Stay up to date with ABC 7's Accuweather App. RELATED: Chicago Weather: Cooling centers open in Chicago, suburbs; tips to stay safe in dangerous heat- Apollo 11 Anniversary activities- 29Rooms returns to Chicago Report a correction or typo