If you planning to travel to Big Treehouse, Marshalltown, 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 11:10 AM. The temperature feels like 61.95 with a humidity level of 93 so dress accordingly. Cloud coverage is 82 percent with visibility at 8 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 11 MPH. At the end of the day don’t miss the sunset at 1:08 AM.