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June 9th Fast Facts:

  • The remnants of Tropical Storm Cristobal, that made landfall in Louisiana on June 7, brought gusty winds to northern Illinois and northwest Indiana that were enhanced to damaging levels under stronger showers.
  • During the mid-afternoon through early evening there were multiple arcs of showers (with little to no lightning) that produced scattered wind damage, especially in Cook County including parts of Chicago.
  • One brief tornado was reported from multiple spotters near the Ford and Iroquois County border in rural east central Illinois near the town of Onarga.
  • It is not that uncommon for remnant tropical systems to impact the area, averaging about once every 8-9 years going back to the late 1880s. See our page on Climatology of Tropical Cyclone Remnants for the Local Area



June 10th Fast Facts:

  • A second wave of showers and thunderstorms developed during the morning hours on June 10th. These storms brought a round of localized damaging wind gusts to parts of northeast Illinois and especially into Lake County, Indiana. 
  • In addition to the wind, large hail was also reported with these storms, with a 2" hail report from the Sauk Village/Dyer, Indiana area. 
  • Localized flooding also occurred due to heavy rain with these storms. 
  • For more information, see the "June 10, 2020" tab on this webpage. 

Event Summary

Event Summary

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Additional recaps can be found on the NWS Chicago Past Events Page
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