Forecast issued at 4:30 pm CST on Thursday 30 July 2015.
A cold front across the south of the State will reach a line Wudinna to Renmark late evening. A series of fronts moving over southern coasts on Saturday morning and on Sunday. A middle level disturbance is expected to extend a band of rain across the agricultural area and south of the pastoral districts on the weekend. A high pressure system developing in the bight on Wednesday and Thursday.
Forecast for the rest of Thursday
The slight chance of showers over the agricultural area, increasing to a medium to high chance about the southern agricultural area, clearing during the evening. A cool evening with moderate to fresh west to northwesterly winds, strong at times about southern coasts, shifting south to southwesterly through the evening and easing.
Friday 31 July
Cold early with frost patches in the east. Early fog through parts of the northern agricultural area and pastoral districts south of about Tarcoola. Areas of rain developing about the West Coast district and far south of the Northwest Pastoral, extending east to reach a line Hawker to Adelaide by about midnight. A slight chance of an evening shower about the Lower South East coast. Cool in the south, mild in the north. Light and variable winds, tending moderate north to northwest in the afternoon, fresh at times in the far west and about southern coasts.
Saturday 1 August
Patchy rain south of about Woomera, tending to areas of rain over Eyre Peninsula and the northern agricultural area and clearing from Kangaroo Island and the South East districts in the afternoon. Cool in the south, mild to warm in the north. Moderate northwest winds, turning light to moderate southwest to southeast in the south, fresh about the coasts.
Sunday 2 August
Areas of rain north of about Ceduna to Adelaide, but south of Coober Pedy to Leigh Creek, contracting northeast and clearing during the day. A slight chance of showers about the southern agricultural area and West Coast, increasing to a medium chance about the South East coast. Cool to cold, grading to mild to warm in the northeast. Moderate to fresh northwest winds in the northeast, ahead of a southwesterly change extending throughout, tending fresh to strong west to southwest about southern coasts.
Monday 3 August
A slight chance of showers about the pastoral districts south of Coober Pedy to Yunta, increasing to a medium chance about the southern agricultural area. Cool to cold with moderate southwest winds, tending fresh westerly about the South East coast. Cumulative rainfall totals until midnight Monday are expected to be 5 to 15 mm over the West Coast district and the agricultural area, reaching 15 to 25 mm about the parts of the West Coast, Eyre Peninsula, Flinders and Mid North districts. 2 to 10 mm over the south of the Pastoral districts and less than 2 mm further north.
Tuesday until Thursday
A slight chance of showers about the agricultural area and West Coast district, contracting to southern coasts on Thursday.
The next routine forecast will be issued at 5:30 am CST Friday.