Thunderstorms, Urban Flooding For South Florida

MIAMI, FL — The National Weather Service in Miami has issued a forecast of scattered to numerous showers and thunderstorms across South Florida today, Friday, September 5, 2025, with rain chances favoring the southern areas amid near-normal temperatures.

A few storms may become strong this afternoon into evening, capable of producing gusty and erratic winds, heavy downpours, and frequent lightning. Excessive rainfall could lead to isolated urban and poor drainage flooding, with reduced visibility.

Temperatures will reach 88 to 91°F, with high humidity amplifying heat indices from 100°F to 106°F.

Rainfall chances today are high, with Palmdale at 81%, Clewiston at 84%, West Palm Beach at 83%, Immokalee at 89%, Naples at 83%, Everglades City at 93%, Fort Lauderdale at 86%, Miami at 94%, Homestead at 96%, and Flamingo at 92%, according to the NWS forecast. These probabilities show scattered to numerous shower and thunderstorm activity across South Florida, with potential for localized heavy rainfall.

Storm Timing:

• Morning: Widely scattered thunderstorms
• Late afternoon into evening: Increased coverage of showers and thunderstorms

Possible Hazards:

• Heavy downpours with poor visibility
• Localized urban flooding, especially in urban areas and roadways
• Gusty, erratic winds from strong storms
• Frequent lightning strikes

Miami Weather Forecast

Today

Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 88°F. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 76°F. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday

Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87°F. South wind 6 to 10 mph. Chance of precipitation is 70%.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77°F. South wind around 6 mph.

Sunday

Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 89°F. South wind 5 to 8 mph. Chance of precipitation is 80%.

Sunday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77°F. South wind 3 to 5 mph. Chance of precipitation is 80%.