https://www.mercurynews.com/2022/09/04/its-like-a-marathon-heat-wave-to-ramp-up-sunday-ahead-of-peak-early-this-week/ > If you thought Sunday was a scorcher, get ready. > The sweltering heat wave will only get worse Monday in a blistering end to the Labor Day weekend, with record-breaking temperatures straining the state’s power grid to the point of possible rolling blackouts, exacerbating fire conditions across Northern California and choking the Bay Area in unhealthy air.