National Weather Service United States Department of Commerce


Widespread strong to significantly severe storms impacted central and northeastern South Dakota, mainly from the evening into the night on Monday, June 20th, 2022. While isolated storms tracked across portions of north central South Dakota during the afternoon, a bowing line of thunderstorms with a history of 60 to 85 mph straight-line wind gusts entered Jones County around 6:40pm. This storm would continue to the northeast, reaching the Aberdeen area by around 9:40pm, while continuing to produce 60 to 80+ mph wind gusts. Among the hardest hit was Pierre, where numerous trees were damaged, along with other property. Additional strong to severe thunderstorms then developed and tracked through and east of the Prairie Coteau from roughly 9:45 to 11:15pm with wind gusts of 60 to 70+ mph. Additional damage was reported with these storms. While hail was a lesser threat, golf ball-sized stones did fall in Hand County. 

Surface weather map at 4pm June 20th, prior to the beginning of more widespread severe thunderstorm activity, showing a cold front draped across central SD with hot and humid conditions to the east and somewhat cooler but still humid conditions to the west of it. 
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