If you planning to travel to Cedar Rock State Park (Lowell Walter Residence), Winthrop, 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 1:06 PM. The temperature feels like 21.45 with a humidity level of 83 so dress accordingly. Cloud coverage is 81 percent with visibility at 9.3 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 19 MPH. At the end of the day don’t miss the sunset at 10:40 PM.