From the NWS
Today, 4:42 PM
...STRONG THUNDERSTORMS OVER THE MIDDKE AND UPPER KEYS... AT 355 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A CLUSTER OF STRONG THUNDERSTORMS OVER THE FLORIDA BAY MOVING TO THE EAST AT 25 KNOTS. THESE THUNDERSTORMS WILL IMPACT THE MIDDLE AND UPPER KEYS FROM GRASSY KEY TO KEY LARGO THROUGH 6 PM. MOTORISTS AND RESIDENTS CAN EXPECT GUSTY WINDS OF 40 TO 50 MPH..