Miami Has Experienced Heavy Rain and Thunderstorms

Residents should prepare for continued unsettled weather and potential localized flooding through the weekend.

Updated on Sept. 20, 2026 in Forecasts

Heavy rain falls on a wet asphalt street, creating ripples in shallow pools of water under a dark, overcast sky. — Heavy rain and thunderstorms continued to impact Miami on September 20, 2026, prompting concerns regarding localized flooding and travel disruptions across the city this weekend. AI Illustration. Upload story photo >

Heavy rain and thunderstorms have moved across Miami on September 20, 2026, as the area faces a high 90 percent chance of precipitation. High humidity levels at 89 percent are contributing to a muggy atmosphere across the city.

Why it matters

The persistent downpours raise concerns regarding potential localized flooding and travel disruptions throughout the weekend. Staying informed on weather changes is critical for residents managing daily commute plans.

Meteorological data indicates a 90 percent chance of rain and humidity levels reaching 89 percent. High temperatures are projected to climb to 31 degrees Celsius by September 26.

The details

The current weather pattern is expected to produce continued heavy thunderstorms on September 21 and 22, which may lead to ponding on local roadways. The atmosphere will remain humid as conditions linger over the city before a shift toward sunnier skies occurs.

September 20, 2026: Heavy rain and thunderstorms impacted Miami.
September 21, 2026: Heavy thunderstorms and potential road ponding are expected.
September 22, 2026: Heavy thunderstorms and potential road ponding are expected.
September 26, 2026: The high temperature is expected to reach 31 degrees Celsius.
September 27, 2026: A shift toward sunshine is expected to occur.

Seasonal Patterns

This weather event follows established patterns for regional thunderstorm activity often requiring the activation of the National Weather Service's Flash Flood Warning protocols. These systems are common for this time of year in South Florida as the region navigates peak humidity cycles.

Drivers should exercise caution to avoid driving through standing water on local roadways where ponding is expected. Residents are advised to monitor official weather updates for potential hazard advisories throughout the weekend.

The takeaway

The current humid conditions and storm activity underscore the importance of planning for rapid changes in local road safety. Travelers and residents should anticipate that weather conditions may impact normal outdoor routines for several days.