Temperatures will increase across the United Kingdom over the next few days, rising above the official heatwave threshold.

Big changes [are] coming ... as high pressure over Arizona expands west into Southern California,' the weather service warns.

A 67-year-old hiker died Tuesday in the Grand Canyon, park officials said Wednesday as forecasters in the region warned of ...

In the South Bay, Morgan Hill is forecast to reach 95 on Thursday and 91 on Friday. In San Jose, the thermometer is expected ...

After a week of high temperatures in the 90s, the Victor Valley is expected to see a four-day heat wave, according to the ...

NI Water are concerned that "high temperatures can create a huge demand surge" for water during the bank holiday weekend.