A slight to medium chance of showers and thunderstorms, increasing to a medium to high chance in the Tiwi, Daly, Gregory and northern Tanami Districts. Thunderstorms south of Barrow Creek may be gusty with little, if any, rainfall. Very hot in the southern Arnhem District and a little cooler in the Simpson and central Tanami Districts. Moderate to fresh and gusty east to southeasterly winds south of Barrow Creek. Light to moderate southwest to northwesterly winds north of Tennant Creek, tending southeast to northeasterly from the middle of the day.