Central Indiana Faces Late-Day Storm Chances as Heat Safety Week Begins
National Weather Service Indianapolis forecasts showers and thunderstorms likely after 5 p.m., with gusty southwest winds and a high near 84.
INDIANAPOLIS | Central Indiana should prepare for late-day showers and thunderstorms Tuesday as Heat Safety Week begins across the National Weather Service Indianapolis forecast area.
The National Weather Service forecast for Indianapolis calls for showers and thunderstorms likely, mainly after 5 p.m. Tuesday. The forecast includes increasing clouds, a high near 84 degrees, southwest wind around 17 mph and gusts as high as 30 mph. The chance of precipitation is 60%.
Rainfall amounts are forecast between a tenth and a quarter of an inch, with higher amounts possible in thunderstorms. The evening forecast calls for additional showers and possible thunderstorm activity before conditions turn cooler Wednesday.
This is a weather article, not a CGN Severe Weather Alert. As of this report, the public basis is the National Weather Service forecast and Heat Safety Week information, not a specific official severe-weather warning for Indianapolis.
Heat Safety Week runs 18-22 May 2026 through NWS Indianapolis. The timing matters because even before the hottest part of summer arrives, residents should review heat basics: drink water, check on vulnerable neighbors, limit intense activity during peak heat, never leave children or pets in vehicles and watch for signs of heat exhaustion.
The practical message for Tuesday is twofold: plan for a warm day with gusty southwest winds, and keep an eye on late-day thunderstorm timing if commuting, attending outdoor activities or managing school, sports or evening events.
Additional Reporting By: National Weather Service Indianapolis Forecast Office; National Weather Service Heat Safety Week; NOAA; CGN News Staff
What this means
For readers, the main action step is planning. Tuesday is not simply a sunny spring day; late-day storms may affect travel, practices, events and outdoor work.
The broader reminder is seasonal. Heat safety starts before an extreme heat warning appears, and early preparation helps families avoid preventable summer emergencies.