Overview

• The National Weather Service has issued a flood watch through Wednesday evening as scattered thunderstorms could drop up to 2 inches of rain in an hour.
• Thursday and Friday will see highs in the mid-80s before temperatures surge above 95°F from Saturday through Monday, according to WGN-TV meteorologist Bill Snyder.
• High humidity will push heat indices past 100°F on the hottest weekend days and keep nighttime readings elevated.
• Chicago has experienced only five other Junes with three consecutive days over 95°F since records began in 1871, with the last occurrence in 1988.
• Public libraries will serve as cooling centers and six community service sites will open on weekday heat warnings to provide relief.