As Tropical Storm Isaac looms in the Caribbean, South Florida’s weekend weather is still uncertain.

According to the National Weather Service’s 5 a.m. advisory, Tropical Storm Isaac is becoming better organized and is moving west at 18 mph. The maximum sustained winds of the storm are reaching 45 mph. No watches or warnings are in place for South Florida.

Isaac will not affect the region until nearly next week, so the summer trend of high temperatures and wet afternoons will continue until then.

A 20 percent chance of storms is expected for Wednesday, according to the National Weather Service, along with temperatures in the high-80s and low-90s. The chance of rain will drop to 10 percent on Wednesday night. Temperatures will stay around 80 degrees at night.

The 10 percent chance of rain will continue through Thursday, with the chance of rain increasing to 20 percent for Thursday night. Temperatures will continute to stay in the high-80s and low-90s during the day, and low-80s at night.

Wind gusts will also start picking up, reaching a high of 18 mph during Thursday night.

Friday will also see a 20 percent chance of rain, with temperatures in the low-90s during the day. The chance for storms will increase to 30 percent Friday night. Temperatures will be in the low-90s during the day and low-80s at night. Winds will continue to gust, sometimes as strong as 23 mph.

Saturday will see a 40 percent chance of showers and storms with highs near 89 degrees. Wind gusts may reach 25 mph. Saturday night will see rain chances drop to 20 percent.

Sunday is when tropical storm conditions may reach South Florida, with a 40 percent chance of rain expected throughout the day and into the night.

For more, click Weather.

For more information on Tropical Storm Isaac, click Hurricanes.

This article will be updated as more information becomes available.