Forecast issued at 5:30 am CST on Friday 26 August 2016.
A high pressure system over the Bight will move slowly east to be over eastern NSW by Sunday night. A deep low is expected to form to the southwest of the Bight during Sunday and weaken as it moves southeastwards across the State early next week.
Forecast for the rest of Friday
Morning frosts inland. Possible early morning fog patches. A slight chance of showers about southern and gulf coasts and ranges. Cool to mild, tending to warm in the north with moderate northerly winds developing in the far west, otherwise light winds.
Saturday 27 August
Early morning frost or fog, mainly about central and eastern districts. A fine and mild to warm day with light to moderate northerly winds, freshening in the west during the day.
Sunday 28 August
Fine at first. Slight to medium chance of rain extending across the west and reaching central districts late evening, increasing to a medium to high chance over Eyre Peninsula, Kangaroo Island and Yorke Peninsula. Cool to mild grading to warm in the north with fresh to strong northerlies ahead of a moderate west to northwesterly change extending over western parts of the State.
Monday 29 August
An area of rain moving eastwards across the State, more likely over agricultural areas and central parts of the Pastoral districts. Cool to mild with moderate to fresh north to northwesterly winds tending westerly in the west during the day. Cumulative rainfall totals until midnight Monday are expected to be up to 5 mm, increasing to 5 to 15 mm about Eyre Peninsula, central districts and the Mid North district, mostly occurring from Sunday evening.
Tuesday until Thursday
Patchy rain over central and eastern districts contracting east on Tuesday. A chance of showers following the rain over the West Coast district and agricultural areas mid week, possibly extending to Pastoral districts later in the period. Remaining cool to mild throughout the period with mainly moderate northwesterly winds tending westerly before becoming light later in the period.
The next routine forecast will be issued at 4:30 pm CST Friday.