If you planning to travel to Ameristar Casino Vicksburg, Vicksburg, Mississippi, 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 12:05 PM. The temperature feels like 51.6 with a humidity level of 48 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.7 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:16 AM.