If you planning to travel to Lake Herman State Park, Madison, South Dakota, 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 1:50 PM. The temperature feels like 5.950000000000001 with a humidity level of 66 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.1 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 11 MPH. At the end of the day don’t miss the sunset at 11:32 PM.