Winter Weather Forecast 2025 2025 Chicago. November 2024 to october 2025 winter will be warmer than normal in the east and colder than normal in the west, with the coldest periods in early and late november, in early december, from late january into early february, and from late february into early march. Thursday night there was a slight chance.

February continues the winter season in chicago, offering snowy landscapes and chilly winds. Will it be a bad winter?