as far as heat and the weather,use a mesh jacket and soak your t-shirt for cooling and drink plenty of water and you will enjoy the journey.Do you have family here or is this just a "wild hare?"I live south of seattle and you are welcome to stay here..seahawks play the bears on saturday evening the 16th of august if you are interested in football..I have season tickets.let me know when the plan comes together..are you riding back??same route??north to vancover and use the canadian hwy system might be a little cooler..maybe not...Bob