Your evening Mississippi weather update Get ready for a classic Mississippi spring weather pattern today with morning warmth giving way to afternoon thunderstorms across much of the state. We're starting this Monday morning with temperatures already sitting at a comfortable 66 degrees, but don't expect it to stay quiet for long. As we move through your Monday, temperatures will climb steadily through the morning hours, reaching the upper 70s by lunchtime and topping out near 82 degrees around 3 P.M.