Triple-Digit Heat Indices, Thunderstorms For South Florida

MIAMI, Florida – The National Weather Service in Miami forecasts scattered showers and thunderstorms for South Florida today, Saturday, June 13, 2026, with the highest rain chances over the interior and western regions during the afternoon and early evening hours.

Stronger storms could produce heavy downpours, frequent lightning, and gusty winds. The east coast metro corridor from West Palm Beach through Fort Lauderdale to Miami will see much lower chances and should stay mostly dry with only isolated activity possible.

Today’s Rain Chances

(As of the latest NWS probabilistic outlook – Valid Saturday, June 13, 2026)

• 72% in Immokalee
• 65% in Palmdale
• 58% in Clewiston
• 57% in Everglades City
• 43% in Homestead
• 37% in Naples
• 36% in Flamingo
• 35% in Fort Lauderdale
• 33% in West Palm Beach
• 31% in Miami

Maximum Heat Index – This Afternoon

High humidity will make it feel significantly hotter than the actual air temperatures. Peak heat index values this afternoon are expected to reach:

• 105° in Immokalee
• 103° in La Belle and Everglades City
• 102° in Naples and Buckhead Ridge
• 101° in Miami
• 99° in Fort Lauderdale, West Palm Beach, Belle Glade, Homestead, and Flamingo

Miami Weather Forecast

Today (Saturday)
Mainly dry this morning, then scattered thunderstorms develop this afternoon into early evening. Highs in the lower 90s. Southeast wind 5 to 10 mph.

Tonight
Mostly cloudy, with a low around 80°F. Chance of showers and thunderstorms decreasing after evening. Southeast wind 3 to 7 mph.

Sunday
Mostly sunny, with a 30% chance of showers and thunderstorms mainly after 2pm. High near 90°F. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.

Sunday Night
Partly cloudy, with a low around 80°F. Isolated showers possible early in the evening.

Source: National Weather Service Miami/South Florida (weather.gov/mfl). Graphics issued June 13, 2026. Always check the official NWS site for the most current information.