Indianapolis/ Weather & Environment

Indianapolis Braces for Soggy Thursday Before Heat Roars Back

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Published on September 10, 2026
Indianapolis Braces for Soggy Thursday Before Heat Roars BackSource: Google Street View

Indianapolis starts Thursday mostly clear and near 72 degrees, but the calm morning will give way to a soggy, stormy afternoon. Scattered showers are expected before 2 p.m., followed by additional showers and thunderstorms as clouds settle over the city.

According to the forecast, the high should reach about 79 degrees, though temperatures may slip into the upper 70s during the afternoon. Rain chances sit near 50%, with generally light winds and rainfall totals mostly between a tenth and a quarter of an inch.

Showers Ease Thursday Night

Isolated showers and thunderstorms could linger into Thursday evening, mainly before 8 p.m. Skies will remain mostly cloudy overnight, with temperatures dropping to around 64 degrees and a slight chance of patchy fog developing early Friday.

Friday brings a brief break from the wetter pattern, with partly sunny skies and a high near 81 degrees. The next round of rain may arrive Friday night, when scattered showers have a 40% chance of developing.

Warmer Weekend Weather Returns

Saturday looks warmer, with a high near 85 degrees and a 40% chance of showers before 2 p.m., followed by a slight chance of afternoon thunderstorms. Sunday should be mostly sunny and warmer still, with temperatures reaching about 86 degrees.

The heat builds early next week, with mostly sunny skies and highs near 90 degrees on Monday. Tuesday will also approach 90 degrees, but a 50% chance of showers and thunderstorms is expected after 2 p.m., followed by cooler temperatures on Wednesday.

No watches, warnings or advisories are in effect for the Indianapolis area. For Thursday, the practical forecast is simple: keep rain gear nearby, allow extra time for a potentially wet afternoon commute and enjoy the cooler temperatures before summer makes another push next week.