Extreme Heat Warnings Affect Southwest US, UK, Canada with Health, Energy Impacts

Multiple regions in the U.S. and the UK are experiencing or forecasted to face significant heat events this week. Southern Nevada is under an extreme heat warning with temperatures hovering around 109 to 110 degrees, though lighter winds and some clearing of smoke haze are expected soon. North Texas has seen temperatures reach 100 degrees with heat index values exceeding 100, with authorities warning that a heat advisory could be issued if temperatures hit 105 degrees for two consecutive days. In North Carolina, prolonged high temperatures above 90 degrees have led to increased electric bills due to air conditioner use, with utilities advising customers on payment plans and energy-saving tips. Meanwhile, the UK is entering its fourth heatwave of the summer, with temperatures expected to rise above 25°C in the northeast, accompanied by heat health warnings and potential thunderstorms. Additionally, parts of Canada are nearing heatwave conditions with hot, dry weather and smoky skies from wildfires, where temperatures remain elevated day and night, with forecasts indicating these conditions could persist through midweek.