If you planning to travel to Mammoth Spring State Park, Mammoth Spring, 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 1:14 PM. The temperature feels like 10.799999999999999 with a humidity level of 31 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 4 MPH. At the end of the day don’t miss the sunset at 11:22 PM.