 This is KNPR and KNPR.org, Nevada Public Radio. I'm Briana Joseph. Happy Friday. Glad to have you with us. It's 418. Heading into this weekend with dangerously hot conditions expected in the Las Vegas Valley, Southern Nevada is under an excessive heat warning through Wednesday night. High temperatures could reach as high as 117 degrees. For today, high temperatures near 113 with overnight lows around 86 degrees.