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Fast Facts:

  • During the late afternoon and early evening of June 10, multiple storms produced large hail and very heavy rainfall along the I-80 corridor, including across the far southern and southwestern Chicago suburbs.  For a listing of rainfall totals, visit here.
  • The largest hail reported was measured at 4.75", two miles north-northwest of Minooka around 7:20 pm.  There were many reports of 2.5" diameter hail and larger across Minooka.  Severe vehicle damage was noted from within this area.

  • The 4.75" diameter hail collected two miles north-northwest of Minooka, or about 45 miles southwest of Chicago, and stands as the largest documented hail stone able to be verified in Illinois on record.  See report here.

  • A Severe Thunderstorm Warning was in effect for that area, including Minooka, issued at 7:05 pm.

Radar Loop
NWS Chicago Doppler Radar Reflectivity Loop:  June 10, 2015 from 3:30 pm - 8:30 pm
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Additional recaps can be found on the NWS Chicago Past Events Page
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