Indianapolis Weather Extremes Over 155-Year Record

From record-breaking temperatures to historic rainfall and snowfall, a look at the most extreme weather events in Indianapolis over the past century and a half.

Published on Feb. 10, 2026

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Indianapolis has experienced a wide range of weather extremes over the 155 years since the city began official weather record-keeping in 1871. This includes the hottest temperatures on record reaching 106°F, the coldest temperature of -27°F, the wettest single day with over 7 inches of rain, and the snowiest day with a one-day total of over 3 feet of snow.

Why it matters

Understanding Indianapolis' weather history provides important context for how the city's climate has changed over time and the types of extreme weather events residents have had to endure. This information can help city planners, emergency responders, and residents better prepare for future extreme weather incidents.

The details

Indianapolis' weather records show some remarkable extremes over the past 155 years. The hottest temperatures on record all occurred in July, reaching 106°F in 1901, 1934, and 1936. The coldest temperature was a bone-chilling -27°F on January 19, 1994, with the nearby town of New Whiteland hitting an even lower -36°F, the coldest temperature ever recorded in Indiana. The wettest single day was September 1, 2003, when 7.20 inches of rain fell during the Labor Day flood. And the snowiest day was March 19, 1906, when over 3 feet of snow accumulated in a single day, exceeding even the legendary Blizzard of '78.

  • The first official Weather Bureau records were taken in Indianapolis on February 10, 1871.
  • The hottest temperatures of 106°F were recorded in July 1901, 1934, and 1936.
  • The record cold of -27°F was set on January 19, 1994.
  • The wettest single day was September 1, 2003, with 7.20 inches of rain.
  • The snowiest day was March 19, 1906, with over 3 feet of snow.

The players

National Weather Service

The federal agency responsible for weather forecasting and climate monitoring, formerly known as the Weather Bureau.

Randy Ollis

A legendary meteorologist who covered many of Indianapolis' most memorable weather events.

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The takeaway

Indianapolis' weather history demonstrates the city's resilience in the face of extreme conditions, from scorching heat waves to record-breaking blizzards. As the climate continues to change, understanding these past extremes can help the city and its residents prepare for the unpredictable weather of the future.