Louisville, KY September Weather: Storm Chances Rise Midweek Before Fall-Like Temperatures Return Friday

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LOUISVILLE, Ky. – Drivers and commuters across central Kentucky could face wet roads Wednesday evening as thunderstorms track across the region. Travel along I-65 may slow late Wednesday into early Thursday, with scattered downpours expected to reduce visibility during the evening rush.

According to the National Weather Service in Louisville, storms will begin developing Wednesday afternoon, spreading east into southern Indiana and Kentucky through the night. Rain chances peak Wednesday night into Thursday morning with up to a half inch possible in some spots. Severe weather is not expected, but lightning and ponding on roads remain concerns.

Patchy fog could complicate morning travel both Wednesday and Thursday, especially in low-lying areas around the Ohio River and near Lake Cumberland. Commuters should allow extra time, keep headlights on, and drive with caution.

By Thursday afternoon, skies will clear with drier, cooler air sliding into the region. Friday brings a return to sunshine and more fall-like conditions, just in time for Friday night football and outdoor events. Temperatures will hold in the low 80s through the weekend before dipping into the upper 70s Monday.

Residents are urged to monitor weather updates through midweek and prepare for slick travel Wednesday evening. While widespread flooding is not expected, avoid driving through standing water. Keep electronic devices charged and secure outdoor items ahead of gusty winds near storms.

More unsettled weather could return early next week, but for now, a stretch of calmer fall-style conditions looks to dominate starting Friday.

Five-Day Forecast for Louisville, KY

  • Wednesday: High 85°F, scattered thunderstorms late. Low 63°F.
  • Thursday: Showers likely early, clearing by afternoon. High 74°F, low 55°F.
  • Friday: Sunny, high 82°F, low 54°F.
  • Saturday: Mostly sunny, high 85°F, low 61°F.
  • Sunday: Sunny, high 82°F, low 52°F.