After several relatively dry days, Key Biscayne residents should keep an umbrella handy as showers and thunderstorms become likely this afternoon. Rainfall totals of around 0.35 inches are possible, with a 90% chance of rain. Today’s high will be around 88 degrees, with southwest winds at 10 to 15 mph.

Tonight, a few passing clouds with a low around 78 degrees.

Monday, partly cloudy early, with scattered thunderstorms developing during the afternoon. Up to half an inch of rain is possible. The high will be around 87 degrees, with southwest winds at 10 to 15 mph. Chance of rain: 40%.

For hour-by-hour Key Biscayne weather updates and local radar, click here.