Indianapolis, Indiana – Storms return to Central Indiana on Sunday, July 20th, bringing intense afternoon downpours, lightning, and travel delays across Indianapolis and beyond.
According to the National Weather Service, a 70% chance of showers and thunderstorms develops after 2 p.m. Sunday, with highs reaching 86°F. Gusty winds and brief, heavy rainfall could impact visibility and slow traffic along I-70, I-65, and I-465. Residents should secure outdoor items, charge devices, and avoid low-lying roads during intense cells.
Storm chances remain elevated through Sunday night with an 80% likelihood of thunderstorms before midnight. While rainfall totals are expected between a quarter and half an inch, localized flooding is possible under stronger storms.
A Look at the Week Ahead:
- Monday: Showers and storms linger into the afternoon with highs near 82°F. Commuters should anticipate slowdowns along key corridors by midday.
- Monday Night: A 30% chance of additional storms lingers through 2 a.m., followed by gradual clearing.
- Tuesday: A brief reprieve as skies clear. Mostly sunny with a high of 87°F and lower humidity.
- Wednesday: Hot and mostly clear. Temperatures surge back to 92°F.
- Thursday–Friday: Scattered storms may return. Daytime highs remain near 90°F with spotty thunderstorm activity possible late Thursday and Friday.
Stay weather-aware through midweek as new alerts may be issued. Warnings remain possible through Monday night.
📅 Five-Day Forecast for Indianapolis (July 20–25):
- Sunday: High 86°F / 70% chance of p.m. storms
- Monday: High 82°F / Showers & t-storms after 8 a.m.
- Tuesday: High 87°F / Mostly sunny
- Wednesday: High 92°F / Hot and mostly clear
- Thursday: High 89°F / 20% chance of p.m. storms
- Friday: High 92°F / 40% chance of scattered storms
