Indianapolis, IN – Thunderstorms are expected to sweep across Indiana Thursday afternoon, bringing heavy rain, lightning, and gusty winds just in time for the afternoon commute.
According to the National Weather Service in Indianapolis, scattered storms will develop after 2 p.m. July 17th, with the most intense activity expected between 8 p.m. and midnight. While most of these storms will remain below severe levels, isolated damaging wind gusts over 60 mph and brief downpours could disrupt travel along major roadways including I-70, I-65, and I-465.
Central Indiana residents should plan ahead for slowed travel, poor visibility, and possible brief power flickers during the evening hours. The NWS suggests staying weather-aware and ensuring mobile alerts are enabled for any potential warnings. Rainfall amounts could top a quarter inch in heavier cells, especially south and east of the metro.
Scattered thunderstorms may linger into Friday with a 50% chance of showers throughout the day and highs near 84°F. Storm chances taper slightly by Saturday, but additional showers remain possible through Sunday morning. Expect humid conditions with highs in the upper 80s this weekend.
Five-Day Forecast for Indianapolis (July 17–22):
- Thursday: Thunderstorms after 2 p.m., high near 88°F
- Friday: Showers and possible storms, high near 84°F
- Saturday: Showers likely, storms possible after 8 a.m., high near 87°F
- Sunday: Rain chances before 8 a.m., then partly sunny, high near 88°F
- Monday: 50% chance of storms, high near 86°F
- Tuesday: Showers and storms likely again, high near 92°F
Storms return again Monday and Tuesday, with temperatures climbing into the low 90s — stay cool and weather-aware.
