Indianapolis

Stormy Skies Ahead as Indianapolis Braces for a Week of Showers and Thunderstorms

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Published on September 21, 2025
Stormy Skies Ahead as Indianapolis Braces for a Week of Showers and ThunderstormsSource: Unsplash/ Johannes Plenio

Indianapolis will experience scattered showers and thunderstorms throughout the day. Humidity is at 91% this morning, and temperatures are expected to reach 85°F. According to the National Weather Service, scattered thunderstorms will occur at times through tonight. There is potential for isolated severe storms with damaging winds, lightning, and brief heavy rain this afternoon and early evening.

Tonight, precipitation chances remain at 50%, with rainfall expected to be less than a tenth of an inch, increasing in areas affected by thunderstorms. Scattered showers and possible thunderstorms are forecast to continue through the week. While spotter activation is not anticipated, residents are encouraged to report severe weather conditions, especially strong or damaging winds.

Monday’s forecast includes an 80% chance of showers and possible thunderstorms during the day and into the night, with highs near 78°F and lows around 65°F. Rainfall amounts of between half an inch and three-quarters of an inch are possible. Similar conditions are expected to persist into the week.

By midweek, a 50% chance of showers remains for Wednesday, with high temperatures near 75°F. The outlook for Thursday and the weekend indicates mostly cloudy skies with continuing chances for showers and thunderstorms. Lightning and brief heavy rain are possible with any storm, according to the National Weather Service.