Residents of Miami and the greater South Florida area can expect to partially quickly move through this weekend, predominantly marked by sunny skies and high temperatures. According to the latest National Weather Service forecast, a “20 percent chance of showers and thunderstorms” is possible today, primarily before the morning, with a high temperature nearing 90 degrees and heat index values soaring as high as 103 degrees. Evenings are expected to remain relatively calm, with a slight chance of thunderstorms and a low temperature hovering around 80 degrees.