Chicago Winter Forecast 2024. The annual winter outlook report from the national oceanic and atmospheric administration's (noaa) climate prediction center details that a la niña event has a 60% chance of emerging by the end. Depending on where you live in the u.s., this winter could bring a mix of snow and rain or an unseasonably warm start to the season, according to the noaa's winter outlook for.
Chance, either low or high, is not a direct prediction of rain, snow, or sleet. In the chicago area specifically, winters associated with a strong la niña pattern tend to have warmer temperatures, but also to have more snowfall, with more frequent blizzards and winter.