Louisville/ Weather & Environment

Louisville Sizzles at 97 Degrees Before Brief Friday Storm Tease

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Published on September 17, 2026
Louisville Sizzles at 97 Degrees Before Brief Friday Storm TeaseSource: Google Street View

Louisville is starting Thursday, but heat will quickly build into another dangerous round. Highs are expected to reach 97 degrees, with heat index values reaching 105 in parts of the region during the afternoon.

A Heat Advisory remains in effect through 8 p.m. Thursday, with the National Weather Service warning that heat index values could reach 105 in parts of the region. Residents should drink plenty of fluids, stay in air conditioning or shade when possible, avoid strenuous outdoor work during the hottest hours and check on relatives and neighbors.

Friday Offers A Small Break From The Heat

Thursday night will stay mostly clear, with a low near 74 degrees in Louisville. Friday should be mostly sunny and somewhat cooler, topping out near 92 degrees, although a few showers remain possible.

The better chance for rain comes Friday evening, when a few showers or thunderstorms could develop before 8 p.m. Rain remains possible.

Weekend Heat Returns Before Next Week Turns Wetter

Saturday and Sunday will bring temperatures in the low to mid-90s. Monday's weather is not specified here.

The forecast beyond Monday is not specified here.