Heavy Downpours For South Florida Tonight

MIAMI, FL — The National Weather Service in Miami has issued a forecast of dry conditions giving way to showers and isolated thunderstorms tonight across South Florida, Saturday, December 13, 2025, with rain chances favoring the east coast metro areas amid below-normal temperatures.

Storms may produce heavy rainfall, leading to localized flooding in poor drainage locations. Additional concerns include gusty winds, heavy downpours, and frequent lightning. Excessive rainfall could lead to isolated urban and poor drainage flooding, with reduced visibility.

Temperatures will reach upper 70s to low 80s°F, with humidity but no excessive heat indices expected.

Rainfall chances tonight are moderate to high, with Palmdale at 36%, Clewiston at 36%, West Palm Beach at 60%, Immokalee at 44%, Naples at 47%, Everglades City at 61%, Fort Lauderdale at 68%, Miami at 72%, Homestead at 70%, and Flamingo at 72%, 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:

• Daytime: Mainly dry
• Evening into night: Increased coverage of showers and thunderstorms after 10 PM

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
• High risk of rip currents on all Atlantic beaches

Miami Weather Forecast

Today

Increasing clouds and dry. Highs in the upper 70s. Northeast winds around 10 mph.

Tonight

Showers likely with a chance of thunderstorms. Lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Sunday

Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 60 percent.

Sunday Night

Partly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.

Monday

Mostly sunny with a chance of showers and thunderstorms. Humid with highs around 80. South winds 5 to 10 mph. Chance of rain 50 percent.

Monday Night

Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent.