Dangerous heat in Reno is forecasted for the weekend. Temperatures could reach up to 105 degrees in Reno. They could also hit triple-digits in areas like Pyramid Lake and Lyon County. Temps will stay in the low 90s in South Lake Tahoe and Truckee. An Excessive Heat Watch is in effect Saturday through Monday. Those working outdoors are advised to seek shade and take more frequent breaks, and drink plenty of water.