Indianapolis, Indiana – Blistering temperatures and stagnant air are converging on Central Indiana this Saturday, triggering an Ozone Action Day and sending the heat index soaring toward 100 degrees. Residents in Indianapolis are being urged to stay indoors and avoid non-essential travel, especially along I-65, where afternoon traffic congestion may amplify heat exposure.
According to the National Weather Service in Indianapolis, the Air Quality Alert remains in effect through midnight Saturday night, with fine particulates and ozone reaching levels “Unhealthy for Sensitive Groups.” People with asthma, heart conditions, and young children are most at risk and should limit outdoor activity.
Highs will climb to 93°F on Saturday under mostly clear skies, with light winds offering little relief. Sunday brings a 30% chance of thunderstorms after 2 p.m., followed by a similar setup Monday. Thunderstorm activity may increase into midweek, with lightning and localized downpours possible through Thursday.
Five-Day Forecast for Indianapolis:
- Saturday [Hot]: Mostly clear, high 93°F, heat index near 100°
- Sunday [Storm Risk]: Sunny early, 30% chance of storms after 2 p.m., high 92°F
- Monday [Storm Chance]: Partly sunny, storms possible after 2 p.m., high 88°F
- Tuesday [Unsettled]: Slight chance of storms, mostly sunny, high 90°F
- Wednesday [Stormy]: 50% chance of thunderstorms, mostly cloudy, high 87°F
