If you planning to travel to Ice Cave Hill Park, Decorah, 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 1:36 PM. The temperature feels like 18.15 with a humidity level of 85 so dress accordingly. Cloud coverage is 56 percent with visibility at 9 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 6 MPH. At the end of the day don’t miss the sunset at 10:34 PM.