Illinois State Water Survey Illinois State Climatologist

Latest Round of Snowfall in Illinois

Just a quick note showing how the recent winter storm played out. The snow was widespread across the upper Midwest, including northern Illinois. Amounts of 5 to 10 inches were common in northeast Illinois. Two sites in McHenry County had over 10 inches of snow: Harvard (IL-MCH-66) with 11.7 inches and Bull Valley (IL-MCH-13) with […]

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Impact of the February 1-2 Storm on Highways

February blizzard affect roadways

The impact of the February 1-2, 2011, storm on highways in Illinois was significant. Using snowfall data and Illinois DOT highway data, our GIS specialist Zoe Zaloudek was able to calculate the number of miles of interstate, US highways, and state roads covered by selected amounts of snow. Below is the resulting map showing both […]

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