Arizonaextreme heat in south-westheatwave forecastheatwave in Californiaheatwave newsheatwave seasonheatwave updateNational Weather ServiceNevadaPhoenix heatwaverecord daily highstriple-digit temperaturesUS heatwave
What areas will be affected by the heatwave this week?
The area from south-east California to central Arizona will see extreme heat, with temperatures topping out at 113F in Phoenix.
What record-breaking temperatures are expected during this heatwave?
Record daily highs could be seen from Las Vegas to Phoenix, with temperatures forecasted to reach triple digits.
How long did Phoenix experience at least 110F temperatures last summer?
Phoenix saw a record 31 straight days of at least 110F (43.3C) last summer.