The National Weather Service in St. Louis is forecasting some potentially serious weather changes for the region over the next several days. Today, sky-gazers can expect sunny skies, with a comfortable high around 85 degrees and breezy conditions as wind gusts could whip up as high as 34 mph. However, the tranquility is set to be disrupted as tonight’s weather makes a swift about-turn, with showers and thunderstorms likely kicking off after 5 a.m., and some storms could bring heavy rainfall to the St. Louis area.