Overview

• Highs in the Chicago area will climb into the mid-90s on Sunday with heat indices reaching up to 102°F.
• Scattered thunderstorms may develop late Sunday into Monday morning, bringing hit-or-miss downpours in some neighborhoods.
• On Monday, temperatures will ease into the upper 80s with persistent humidity and pockets of heavy afternoon showers.
• Daily highs are forecast to remain about five degrees above seasonal averages through early July.
• Independence Day is projected to be hot and sunny with highs near 90°F ahead of a chance for showers or storms on July 3.