If you planning to travel to Simpson Park, Valley Park, 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 12:43 PM. The temperature feels like 50 with a humidity level of 90 so dress accordingly. Cloud coverage is 75 percent with visibility at 9.7 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 10:48 PM.