If you planning to travel to Louisiana Purchase State Park, Holly Grove, Arkansas, 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 11:13 AM. The temperature feels like 95.8 with a humidity level of 73 so dress accordingly. Cloud coverage is 8 percent with visibility at 13.4 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 1:07 AM.