Winter Prediction 2024 Chicago Il. Chance, either low or high, is not a direct prediction of rain, snow, or sleet. 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,.
While la niña often indicates colder weather through the winter in the chicago area, this year’s weaker pattern could lead to different effects on the temperature. 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%.