Operation Deimos

At least 130 million people from Texas to Maine are under alert for dangerous heat and humidity over the next few days.

Temperatures are expected to be up to 20 degrees hotter than usual this week.

Millions of Australians will be hit by a blistering heatwave that is sweeping across southeastern parts of the country as firefighters battle to contain large blazes.

Richmond and Penrith west of Sydney are expected to reach highs of 42 degrees Celsius today, and 40C in Campbelltown.

Temperatures near the Victoria-South Australia border reach 38C, more than 10C above average for November...

Californians were being warned Tuesday to prepare to swelter as a fearsome heatwave settles over the western US state.Climate scientist Daniel Swain said the next few days will be a taste of what inland areas of the state have already endured.

40 areas have been put on a fire alert following record temperatures this week.

Spain has just emerged from a 21-day heatwave that engulfed Madrid, Barcelona and Zaragoza, posing a health threat which extends far beyond the actual temperature, according to Julio Diaz, a researcher at Madrid's Carlos III Health Institute.

Tokyo residents have been urged to pay attention to heatstroke warnings as high temperatures continue into August.

Extreme heat indexes are expected across parts of nine states on Thursday.

The daughter of a woman who died during the record-breaking heat wave in Seattle in 2021 has sued six oil companies.

Temperatures across south-east states are predicted to soar up to 12C above the January average, while the staple summer monsoon is nowhere to be seen in the tropics.

In other weather, south-east Queensland soaked by up to 127mm of rain, with more than a dozen dams spilling over...

Australia's energy regulator is warning of the possibility of blackouts as sweltering east coast residents reach for their air conditioners to beat the heat.

As temperatures climb 10 to 15 degrees above normal, the National Weather Service issued an excessive heat warning.