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 10:45 AM. The temperature feels like 71.85 with a humidity level of 79 so dress accordingly. Cloud coverage is 80 percent with visibility at 11.4 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 10 MPH. At the end of the day don’t miss the sunset at 1:12 AM.