By Ashlyn Little The temperature is rising in Southwest Louisiana and that calls for some sweet watermelon, and a good time and that’s exactly what the Beauregard Watermelon Festival is all about. It’s time for the 22nd annual Beauregard Watermelon Festival, complete with sweet treats, crafts, carnival rides, music and sweet, cold watermelon. There will be about 135 vendors. The three-day festival takes place at the Beauregard Parish Fairgrounds…