Chicago Winter Weather Prediction 2024 By Month. Snowchance calculates the likelihood of a winter storm entering a region on a specific day. They'll refine and narrow their 2024/2025 winter forecast over the next few months.

The latest winter weather forecast highlights a 60% chance of a weak la niña, expected to bring below. The coldest periods for the chicago area are expected to be early and late november, early december and from late january into early february, the almanac predicts.