Indianapolis, Indiana – Blistering heat and potentially damaging storms are expected to sweep through Central Indiana Saturday, July 26, as weather hazards intensify across the state.
According to the National Weather Service in Indianapolis, heat index values may spike as high as 110 degrees on Saturday afternoon, especially along the I-70 corridor, including Indianapolis, Plainfield, and Greenfield. A Heat Advisory is in effect until 8 p.m. Friday, with more heat expected through Tuesday, July 29. Thunderstorms will likely develop Saturday after 2 p.m., with the strongest cells carrying damaging wind gusts, torrential rain, and frequent lightning.
Scattered storms may persist into Saturday night, potentially affecting evening plans and outdoor events. Localized flooding and power outages are possible. Residents are advised to limit outdoor activity, hydrate frequently, and avoid travel during storm periods, especially on exposed routes like I-65 and I-465.
While Sunday and Monday remain hot and stormy, slightly drier and cooler air moves in by midweek, offering relief by Wednesday. No severe storms are expected during that window, but temperatures will still remain above normal.
⚠️ Stay weather-aware and keep phones charged in case of storm-related power interruptions. More alerts may be issued through the weekend.
🌤️ Five-Day Forecast for Indianapolis (Starting Saturday, July 26):
- Saturday: Showers and storms likely after 2 p.m.; high near 91°F. Heat index up to 110°F. Windy with gusts up to 20 mph.
- Sunday: Storms likely after 2 p.m.; hot with a high of 91°F. New rainfall under ¼ inch, higher in storms.
- Monday: Slight chance of storms in the afternoon; high near 94°F. Strong sun and muggy conditions continue.
- Tuesday: Slight chance of showers and storms after 2 p.m.; high around 90°F.
- Wednesday: Cooler with scattered showers possible; high of 83°F. Lower humidity expected.
