Snowfall drops more than 3x from north to south. Photo: Ron Frazier, CC BY.
Rockford's normal season versus Carbondale's. Same state, same winter.
NOAA's Climate Prediction Center's odds of a very strong El Nino this fall and winter.
Illinois's snowiest winter on record statewide. The same winter set Chicago's O'Hare record too.
First snow lands a full month later in the south than near Chicago. See the full guide.
NOAA, the Farmers' Almanac and the Old Farmer's Almanac compared, region by region.