A medium to high chance of showers and thunderstorms, decreasing to a slight to medium chance about the base of the Top End, Gregory and southeast Simpson Districts. Possible heavy falls with showers and thunderstorms over central districts, the northwest Lasseter and southern Carpentaria Districts. Light to moderate southwest to northwesterly winds north of Barrow Creek, tending east to southeasterly south of Barrow Creek. Winds south of Alice Springs tending fresh and gusty at times during the day.