Ohio Extreme Heat

Explore top OH risks:

Climate Central’s analysis shows how much hotter parks are projected to get later this century.

Columbus already has one of the country's most intense summer heat islands, where urban temperatures can be more than 20°F hotter than nearby rural temperatures.

Today Ohio averages about 5 dangerous heat days per year. By 2050, the state is projected to see 30 dangerous heat days a year.

Ohio is home to hundreds of thousands of people vulnerable to extreme heat, and the threat of heat is expected to increase by 2050

As the planet continues to warm from the increase in greenhouse gases in the atmosphere, the temperatures that we consider to be normal are also rising.

Summers are getting muggier as the dewpoint temperature rises

Columbus is the 19th fastest-warming city in the U.S.

What's Happening with Extreme Heat?


What a Warmer Future Means for Southeastern Wildfires

Tinder-dry conditions that have resulted from months with little to no rain and toasty fall temperatures have allowed the fires to reach unusual heights. More

New York

Sandy’s Surge Was Extreme. It Could Become Normal

The risk posed by future storms like Sandy is only going to increase due to climate change. The potential for stronger storms and rising seas mean Sandy-level flooding could could occur once every 23 years as opposed to once every 400... More

Climate Change Behind Surge in Western Wildfires

Western firefighting veterans lamenting a “new normal” amid surging forest fires have received an explanation for the destructiveness they’ve been unable to quell... More

Scientists Tease Out Climate Change’s Role in Zika Spread

While the effects of El Niño and other weather cycles are beyond the control of humans, the recent spread of the disease into the U.S. is a savage reminder of the heavy toll that humans are taking on their planet — and of the potential for those changes to bite back... More

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