If you planning to travel to Lost Island Waterpark, Waterloo, Iowa, 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 11:11 AM. The temperature feels like 47.099999999999994 with a humidity level of 66 so dress accordingly. Cloud coverage is 13 percent with visibility at 12.6 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 8 MPH. At the end of the day don’t miss the sunset at 1:05 AM.