June 11-12, 2026 -- Straight Line Winds in Mercer County OH

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June 11-12 Storms -- Straight Line Winds Confirmed in Mercer County OH

June 11-12, 2026
Straight Line Wind Damage in Mercer County, Ohio

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Public Information Statement
National Weather Service Wilmington OH
433 PM EDT Fri Jun 12 2026

...NWS Damage Survey confirms straight line winds on June 11, 
2026 in Mercer County, Ohio...

The National Weather Service Survey Team, along with Mercer County
Emergency Management, surveyed damage near Oregon Road and U.S. 
33 near Neptune. Damage along this area was indicative of straight
line winds from 60 to 70 MPH, causing roof damage to barns and 
outbuildings. 

The survey team also viewed a separate swath of storm damage in 
Celina, which was also indicative of straight line winds. Damage 
began near South Main Street and continued to Havemann road just 
east of Grand Lake Road. Several buildings had damage indicative 
of 70 to 80 MPH winds. The estimated wind speeds topped out as
high as near 90 MPH near the intersection of Havemann Road and 
Grand Lake Road. 

Damage in these locations occurred between 1130 PM and 1140 PM on
Thursday, June 11.

The National Weather Service would like to thank the Mercer 
County Emergency Management Agency for their assistance with this
damage survey.

The storm survey information will also be available on our
website at http://www.weather.gov/iln

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