Jul 18, 2025 · CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

Get the latest weather forecasts from CNN’s meteorologists. Follow major hurricanes, severe storms and weather patterns across the United States.

Jul 21, 2025 · Heat remains the deadliest form of extreme weather in the US. Globally, heat waves are becoming more frequent, more severe and lasting longer as the world warms due …

May 28, 2025 · Global temperatures are forecast to reach record or near-record levels during the next five years, setting the stage for more deadly extreme weather events.

Nov 27, 2025 · The surging tide of microplastics is already an environmental and health threat, but as the world heats up — driving increasingly extreme weather — it’s transforming them …

Jun 23, 2025 · Of all the forms of extreme weather — droughts, floods, hurricanes — heat waves are the ones that scientists can most reliably tie to climate change caused by fossil fuel pollution.

Jun 18, 2025 · Tens of millions of people from the Midwest to the East Coast will face a level 4 of 4 extreme heat risk through at least Thursday, according to the National Weather Service.

Dec 31, 2023 · In the hottest year on record, the fingerprints of a changing climate in a warming world were all over dozens of extreme weather events.

Jun 15, 2023 · Droughts, storms, wildfires and heat waves: Extreme weather around the world is becoming more intense and more frequent. The toll is huge and mounting, with lives lost, …

With significant advances in computing power, scientists are more confident than ever in attributing extreme weather to climate change.