Strong to severe storms expected across Indiana this afternoon
This Wednesday, June 19, the weather across Central Indiana, including Indianapolis, is dominated by a volatile storm system expected to strengthen by the afternoon. Strong to severe thunderstorms may develop, particularly after 2:00 PM EDT, with the primary threat being damaging wind gusts exceeding 60 mph (96 km/h). In some areas, localized heavy rainfall could lead to minor flooding, especially in low-lying or urban zones.
An isolated tornado cannot be ruled out, though it remains a secondary concern. Storm activity will linger into the evening and early overnight hours, particularly along and south of the I-70 corridor. Residents across Marion County, Hamilton County, and neighboring regions should have a reliable way to receive weather alerts, as severe thunderstorm warnings could be issued with short notice.
Gradual clearing returns Thursday with summer heat building
By Thursday afternoon, skies will turn mostly sunny, allowing for temperatures to rebound into the upper 80s°F (around 31°C). As the humid air mass lingers, heat index values may approach or slightly exceed 100°F (38°C) in some areas.
Sustained heat wave to persist into next week
Looking ahead, a prolonged period of above-average warmth is expected across Indiana, with daily highs consistently reaching the low to mid 90s°F (33–35°C). This heat wave pattern, driven by a strong upper-level ridge, shows no signs of breaking through at least the middle of next week. Air conditioning, hydration, and shade will be essential for staying comfortable as dew points remain elevated, making it feel even hotter than actual air temperatures suggest.
Indianapolis weather forecast
Today, Wednesday, June 19: Strong to severe storms likely, mainly in the afternoon. High near 83°F (28°C).
Overnight: Lingering thunderstorms, especially south. Low around 67°F (19°C).
Tomorrow, Thursday, June 20: Sun returns with gradually clearing skies. High near 82°F (28°C).
Stay alert throughout Wednesday, particularly during the afternoon commute, as the atmosphere becomes increasingly unstable across the Midwest.
