 It's 6 o'clock. News this hour from townhall.com. I'm Jason Walker. Forecasters say that long-running heat wave, well, there's just no let-up to it. It will persist throughout the week and maybe even get hotter. National Weather Service meteorologist Brian Jackson. We have a heat dome that is centered over California today, and it will just persist for most of this week. We're expecting it to merely drift east over the Great Basin,