 When you're starting to run low, come get fueled at your local CHS Primeland Sea Store on 9th and Rose in Walla Walla. Whether you need to fuel your ride or fuel yourself, you'll find what you need to fill that empty space. Here's your Wild Horse Resort and Casino weather update for the Columbia Basin today. Widespread haze and patchy smoke, otherwise sunny and hot. Today's high for Pendleton, 97. 99 for Hermiston, 98 for Walla Walla.