Weather

Chicago weather: Crisp, dry conditions for your Marathon Sunday

October 12, 2025 7:20am CDT

Conditions are about as perfect as one could want for the Chicago Marathon, as thousands gathered in the city to compete.

Chicago weather: Crisp, sunny start to the marathon weekend

October 11, 2025 7:25am CDT

Those summer-like October days are very nearly in our rearview mirror, but that’s not to say that we won’t see more beautiful weather.

Chicago weather: Spotty showers today, sunshine arrives this weekend

October 10, 2025 12:53pm CDT

Tomorrow will be mostly sunny with highs in the mid-60s. Sunday will be slightly warmer with highs around 70 under sunshine!

Here's what the arrival of La Niña means for your winter weather

October 10, 2025 8:10am CDT

La Niña has returned for a second consecutive go-around this autumn and winter, and it could have a noticeable influence on seasonal weather patterns.

Chicago warms up after chilly 45° low, but not by much

October 10, 2025 5:58am CDT

Mike Caplan has your Chicago weather update!

Map: Average first freeze dates have shifted later for most of the US since 1970

October 9, 2025 4:18pm CDT

Fall freezes are arriving later across the U.S. according to a new report; here’s which cities have seen the longest delays.

Chicago weather: Cool start gives way to sunny 60s today

October 9, 2025 6:08am CDT

Cool mornings and sunny afternoons lead into a mild weekend for Chicago, with 70s returning on Columbus Day.

Chicago weather: Coolest day since May ends warm streak

October 8, 2025 4:59am CDT

Chicago cools off today with a high near 62°, ending a four-week warm streak before a sunny weekend warming trend.

Chicago weather: First frost later this week? It's possible in parts of Chicagoland!

October 7, 2025 7:09pm CDT

After a soggy start to the day, clouds have cleared out, and we're looking at a quiet stretch of weather through the week and weekend.