If you planning to travel to Route 66 State Park, Eureka, Missouri, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 1:15 PM. The temperature feels like 31.349999999999998 with a humidity level of 74 so dress accordingly. Cloud coverage is 18 percent with visibility at 13 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 1 MPH. At the end of the day don’t miss the sunset at 10:45 PM.