Indianapolis, Indiana – Drivers across Central Indiana should brace for a volatile weather shift starting Wednesday, July 30, as the heat gives way to storms capable of flooding roadways and knocking out power. After a day of intense heat, thunderstorms could trigger localized flooding, with the greatest impact expected during Wednesday evening commutes.
According to the National Weather Service in Indianapolis, a Heat Advisory remains in effect until 8 p.m. Tuesday with heat index values reaching up to 105°F. The atmosphere becomes more unstable midweek, bringing a 30% chance of storms Wednesday afternoon, increasing to 40% Wednesday night and Thursday. Strong wind gusts and heavy downpours are possible, particularly across Interstate 65, I-70, and urban low-lying areas.
Residents should monitor local alerts, charge devices, and avoid driving through high water. Outdoor plans on Wednesday and Thursday may need adjustment.
Here’s a detailed five-day weather breakdown starting Wednesday, July 30:
- Wednesday: Mostly sunny early, then 30% chance of storms after 2 p.m., high near 92°F. Calm winds shift southeast.
- Thursday: 40% chance of storms, mostly cloudy, high near 89°F. Northeast winds 6–9 mph.
- Friday (Aug 1): Sunny with highs near 79°F — a refreshing break from heat.
- Saturday: Partly sunny, slight storm chance late, highs in the mid-80s.
- Sunday into Monday: Continued warm with spotty storms possible; Monday high near 84°F, lows around 64°F.
⚠️ More storms are possible into the weekend. Stay tuned for additional watches or advisories later this week.
