Wednesday, March 11, 2026

Record‑breaking hail? Illinois awaits verification of massive stone

During yesterday's severe weather event across Illinois, hail accounted for a large portion of the storm reports. One storm in particular likely produced a hailstone large enough to challenge the states record for largest hailstone ever observed. 

 

  

Prior to yesterday, the state's largest hailstone was 4.75", observed on June 10th, 2015 in Minooka, IL. However, a storm chaser submitted a photo to the National Weather Service in Chicago that showed a hailstone up to 6" in diameter. If verified, this would be the NEW state record for Illinois.

 

The largest hailstone observed locally was 2.75" in diameter near Lena in Stephenson County. That is equivalent to the size of a baseball. Quite impressive not only for northern Illinois but especially for it being this early in the season. 
 

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