 Here's your Wild Horse Resort and Casino weather update for the Columbia Basin today. Sunny and warm with 100 for Hermiston, 99 for Walla Walla. Tonight, clear with lows in the mid to upper 60s. And the outlook for Friday, sunny and hot. Highs will be in the upper 90s into the low 100s. For the latest news, weather and more, download the Elkhorn mobile app at ElkhornMediaGroup.com.