Miami

Miami Braces for Scattered Thunderstorms and Potential Flooding, High Humidity Persists

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Published on September 23, 2025
Miami Braces for Scattered Thunderstorms and Potential Flooding, High Humidity PersistsSource: Google Street View

Miami residents should keep their umbrellas close at hand as the city faces another bout of scattered thunderstorms and the persistent threat of flooding. The National Weather Service has forecasted a likely occurrence of showers and thunderstorms in the afternoon, maintaining a 60% probability, with high temperatures peaking near 89 degrees Fahrenheit. Winds are predicted to blow from the east at speeds ranging from 3 to 7 mph. These conditions, reflected in the detailed forecast, are expected to persist into the night with a 60% chance of rainfall, as reported by NWS Miami.

Accompanying the forecast, the humidity in Miami remains high at 85%, with the barometric pressure reading 29.98 inches – factors that contribute, to the muggy conditions South Floridians are experiencing. Additional weather insights provided by Local 10 suggest varied cloud coverage and scattered thunderstorms for the day with a high near 90F, and continuing into the evening with a slight chance of isolated thunderstorms and a low of 78F, as winds prevail from the northeast at a gentle pace of 5 to 10 mph. "Grab your rain gear — afternoon showers and storms are expected again today. Flooding will be the biggest concern with these storms," informs Local 10's weather update.

The week's outlook indicates a pattern of consistently high temperatures around 89 degrees, which combined with the humidity, could yield to heat index values surging as high as 103. This could prompt Miami locals to seek relief in cooler, indoor spaces during peak sun hours. Such temperatures are intermingled with a series of forecasts predicting a 50 percent chance of showers and thunderstorms, primarily after 8am on Wednesday and a reduced 20 percent likelihood for precipitation during Wednesday night, as outlined by the NWS.

The National Weather Service reports lighter winds but a steady 30 percent chance of showers through Saturday night. While the waxing crescent moon may be visible at times, partly cloudy skies with isolated rain are expected to linger.

Miami-Weather & Environment