Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Winter 2016-2017 Events

Winter 2016-2017 Summary

March 12-15, 2017: Clipper event followed by heavy lake effect snow including into northeast Illinois.

February 8, 2017: Two to four inches of snow along and south of I-80

January 10, 2017: High winds across northern Illinois and northwest Indiana

December 16-18, 2016: Two minor snow events, including a heavy lake effect snow band with 8+ inches into far northwest Indiana

December 10-11, 2016: Snow totals of 6-12 inches across northeastern Illinois
December 4, 2016: Heavy wet snowfall for the first event of the season; largest December snowfall for Chicago O'Hare in 11 years

NWS Chicago Science & Past Events Page

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