If you planning to travel to Grand Gulf State Park, Koshkonong, Missouri, 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 1:14 PM. The temperature feels like 32.2 with a humidity level of 71 so dress accordingly. Cloud coverage is 4 percent with visibility at 11.7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 10:55 PM.