Ohio Valley Summer Weather Alert: Storms and Heat Index Near 100° Expected by Sunday in Wilmington

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Wilmington, Ohio – Storms and scorching humidity are heading for Ohio, with Sunday shaping up to bring the most volatile weather of the week. Residents in Wilmington and surrounding Clinton County should brace for strong to severe thunderstorms after noon, paired with heat index values approaching 98 degrees.

According to the National Weather Service in Wilmington, storms may produce damaging wind gusts and heavy rain beginning Sunday afternoon. Storm chances hover around 50%, with isolated flooding possible — especially in low-lying areas and along rural roads like State Route 134. Rainfall could exceed half an inch in some spots.

Highs Sunday will reach 88°F, but with dewpoints in the 70s, it will feel far hotter. Storm activity may taper off by late evening, though the heat will remain. Monday looks calmer, but there’s a renewed chance of scattered storms after 2 p.m.

Five-Day Forecast Snapshot:

  • Sunday (Jul 13): High 88°F – Chance of storms after 1 p.m.; muggy with possible flooding.
  • Monday: Mostly sunny, high 86°F – slight chance of storms late.
  • Tuesday: Mostly sunny, high 89°F – dry during the day, mild overnight.
  • Wednesday: High 90°F – thunderstorms possible in the afternoon and evening.
  • Thursday: Scattered storms likely, high near 88°F – muggy and unsettled.

Expect more humid, storm-prone weather through midweek. Stay alert for updated advisories and avoid travel during heavy downpours.

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