 Here's your Wild Horse Resort and Casino weather update for the Columbia Basin. Sunny and hot today, plus it will be breezy. Winds could gust as high as 21 mph. Expect a high near 99 in the Roundup City, 100 in Walla Walla, and 101 in Hermiston. Tonight it will be mostly clear, with a low around 61. For news, weather, and more, go to ElkhornMediaGroup.com or download the Elkhorn mobile app.