 It's 548. We've got more all things considered ahead this Friday on Nevada Public Radio, KNPR and KNPR.org. I'm Brianna Joseph. Mostly clear skies tonight with low temperatures around 86 degrees. The Las Vegas Valley is under an excessive heat warning through Wednesday night. We could see daytime temperatures as high as 117 degrees. Overnight lows will remain in the high 80s for the next few nights.