US heat forecast: See where Americans are at the most risk for extreme heat this weekend

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

A record-challenging heat dome is about to bake the West with the summer’s hottest temperatures so far

An unusually strong heat dome will scorch much of the western United States this weekend, bringing the hottest temperatures ...

The forecast is just the beginning

Live Updates Real-time news and weather information from the storm so you know what's happening as it happens.

Western US heat dome brings dangerously hot temperatures to tens of millions

An unusually intense heat dome is bringing dangerous temperatures to a large swath of the West this weekend, where about 55 million people are under heat alerts.
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CNN launches lifestyle app for weather forecasts

Warner Bros Discovery’s (WBD) cable news outlet CNN has launched its free weather app for smartphones, about a year after the network first announced the app’s development. The app, available for free ...