Overview

• Chicago enjoys clear skies Sunday with lakefront highs in the mid-60s and inland temperatures reaching the low to mid 70s.
• The Bank of America Chicago Marathon features a cool start in the lower 50s, warming to the mid-60s with light east/southeast winds.
• This weekend averages more than 17°F cooler than last weekend, reflecting a pattern typical for mid-October.
• The local week trends mostly dry and seasonal, with Monday in the low to mid 70s and Wednesday the coolest near 62 before a late-week rebound.
• A strong coastal low is projected near the U.S. East Coast early next week, posing coastal flooding, heavy rain, and 40–60 mph gust risks that hinge on the storm’s track.