MIAMI, Florida – The National Weather Service Storm Prediction Center has issued a marginal risk (Level 1/5) severe weather outlook for South Florida due to the potential for severe thunderstorms expected to impact the region on Sunday, May 4, 2025. [caption id="attachment_7029" align="aligncenter" width="1920"] NWS Miami Severe Weather Forecast, May 4, 2025[/caption] The National Weather Service in Miami forecasts scattered thunderstorms in South Florida this afternoon through early evening, with a marginal risk of severe storms in the Lake Okeechobee region and east coast metro areas from Miami northward to West Palm Beach, including Fort Lauderdale and Boca Raton. An isolated tornado cannot be ruled out, and lightning poses a significant risk, especially for outdoor events. [caption id="attachment_7031" align="aligncenter" width="1024"] NWS Miami Rain Chances, May 4, 2025[/caption] These storms may produce wind gusts up to 60 mph and small hail (less than 1 inch), which could impact the Fort Lauderdale Air Show and F1 2025 Miami Grand Prix, potentially causing delays due to lightning. NWS Miami South Florida Doppler Radar High temperatures will range from the lower to mid 80s along the Atlantic coast to the mid 80s to around 90 inland this afternoon. Heat indices are expected to reach the low 90s due to humidity. Miami Weather Forecast Sunday A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. South wind 6 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday Night Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 60%. Monday A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 83. Light south wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 70%. Monday Night Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. Tuesday A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. Tuesday Night A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. East wind around 7 mph.