A dangerous heat wave grips the South with triple-digit temps and humid nights. Health risks rise as relief stays days away. Here's what to know.

A dangerous heat dome has locked in place across the southern United States, sending temperatures soaring across major ...

Forecasters are warning that multiple weather hazards will affect large sections of the United States through midweek, with severe thunderstorms, flash flooding and dangerous heat expected to impact ...

A strengthening super El Niño is expected to become the dominant driver of U.S. weather during the coming months.

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NOAA's Climate Prediction Center says there's a 69% chance that a historic El Niño event could exceed the strength of previous events dating back to 1950.

The current El Niño is already among the strongest observed for this time of year. NOAA says there is more than a 90 percent ...

Forecasters around the world have confirmed that the developing El Niño weather pattern is likely to be the strongest in ...