Precipitation. Average precipitation exceeds 48 inches a year (south), compared to less than 32 inches (north). Snowfall distribution is just the opposite, with averages of 36 inches a year in the north to less than 10 inches in extreme southern Illinois.
Where in Illinois does it snow?
RankAverage Snow ▼City / Population1.41.11 inchesRussell, IL2.40.13 inchesBeach Park, IL / 13,8513.39.12 inchesWinthrop Harbor, IL / 6,7444.39.09 inchesPistakee Highlands, IL / 3,364
What's the weather like in southern Illinois?
Sunny along with a few clouds. A stray shower or thunderstorm is possible. High 93F. Winds SSW at 5 to 10 mph.
Does it get cold in southern Illinois?
At Southern Illinois Airport, the summers are hot and muggy; the winters are very cold, snowy, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 26°F to 89°F and is rarely below 10°F or above 96°F.
Is snow common in Illinois?
Normally on 11 days a year at least an inch of snow lands in one day. Snowstorms of over five inches a day occur just once or twice a year on average. Major blizzards that dump ten inches or more in one day are rare events, happening about once a decade.
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