South Florida Rain Chances All Week Through First Day of Spring

South Florida is heading into a soggy stretch that will carry through most of the week, with rain chances stacking up from Sunday all the way to the first day of spring on Friday.

The wet pattern kicks off this weekend as a weather disturbance moves through the region Sunday afternoon, pushing toward the east coast and providing a stronger trigger for storm development. Sunday morning offers the best window for outdoor plans. By afternoon, scattered to numerous showers and thunderstorms are expected to spread across the area.

The disturbance also carries an isolated severe weather threat. Damaging winds and small hail are both possible, and any area where heavy rainfall concentrates could see localized flooding. Overnight Sunday, clouds should gradually clear, leaving mostly dry conditions as a beach breeze keeps temperatures on the warm side.

Monday ramps up the heat before the next front moves in. Highs could surge into the mid to upper 80s, and while sunshine will appear at times during the day, rounds of passing showers and storms will also push through. That activity is tied to the approach of a stronger cold front expected to arrive Monday night.

Here is where the pattern gets a bit counterintuitive. The front will push south of the region by Tuesday, but that does not mean South Florida gets a break. Moisture lagging behind the front will keep the clouds locked in and produce times of rain throughout the day. St. Patrick’s Day, falling on Tuesday this year, is shaping up to be a gray and damp one, with the Florida Keys facing the highest rain chances. Cooler temperatures and breezy conditions will replace the weekend heat.

If you were hoping the front would sweep things clean by midweek, the forecast says otherwise. Wednesday and Thursday, South Florida sits on the edge of a moisture plume as low pressure develops along the now-stalled frontal boundary to the south. That setup again favors southern parts of the region and the Keys for the heaviest rain chances, though cloudy skies and breezy, mild conditions are expected across the board both days.

For context, this kind of sustained wet stretch is unusual for South Florida’s dry season, which typically runs from October through May and keeps rain chances suppressed. Multiple rain-producing systems in a single week runs counter to the pattern residents and visitors usually expect in mid-March.

Relief finally arrives Friday, the first day of spring, when the active pattern is expected to break down and drier conditions return. That gives the region a clear target to push through what forecasters are describing as a demanding week.

A few practical takeaways for residents planning outdoor events or weekend activities. Sunday’s safest window is the morning. If your St. Patrick’s Day plans involve being outside, have a backup option ready, and expect the Keys to bear the brunt of that day’s rain. Boaters and beach-goers should monitor forecasts closely through midweek, as breezy conditions and passing storms will affect the water. Anyone in flood-prone areas should keep an eye on rainfall totals, especially Sunday afternoon and again Wednesday and Thursday when heavy pockets of rain are possible.

The Heat play at home Thursday night, so if you have tickets, factor in the commute through what could be another rainy evening before conditions clear heading into the weekend.

South Florida rarely sits still weather-wise, but a wet week like this one in the middle of dry season is a reminder that the region’s weather operates on its own terms. Once Friday arrives and spring officially begins, the forecast calls for a return to more typical conditions. Until then, keep the umbrella close.