Snow Predictions 2025 Chicago Il. The outlook covers meteorological winter from december 2025 through february 2025. By nbc chicago staff • published september 23, 2025 • updated on september 23, 2025 at 1:50 pm.

And canada due to la niña. Strong winds gusting to 40 to 50 mph friday morning, and again friday night resulted in periods of very low visibility due to blowing snow.