If you planning to travel to Alligator Creek Aquatic Center, O'Fallon, 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 12:30 PM. The temperature feels like 50.6 with a humidity level of 71 so dress accordingly. Cloud coverage is 23 percent with visibility at 13.7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 5 MPH. At the end of the day don’t miss the sunset at 9:58 PM.