Brutal heatwave headed for US west, raising health fears
The National Weather Service expects highs of 115F (46C) in parts of southern California, Sacramento and the San Joaquin Valley over Labor Day weekend.
Parts of the Pacific north-west, Nevada, Idaho and Montana will also face dangerous temperatures. Boise, Idaho, is expected to finish August with an average temperature of 80F – the highest since record keeping began in 1875. Temperatures are expected to be eight to 12 degrees above normal in north-west Arizona, south-east California and southern Nevada.
