The Brief Chicago’s warm, dry stretch continues with highs in the 70s near the lake and 80s inland today. Temperatures climb into the mid-80s Thursday, with highs near 90 possible Friday through Sunday. Relentless warmth and dryness persist through early next week in Chicagoland. Skies will not be as sunny but it will only be a canopy of high, thin clouds filtering an otherwise sunny day. The summer-like warmth is scaled back only slightly early next week when highs will "only" be between 75°-82°.