Forecast issued at 5:30 am CST on Wednesday 29 July 2015.
A high over New South Wales is moving steadily eastwards. A cold front will move across the south of the State on Thursday, followed by another front moving over southern coasts overnight Friday. A middle level disturbance is expected to extend a band of rain across the northern agricultural area and south of the pastoral districts on the weekend.
Forecast for the rest of Wednesday
Early fog patches near the eastern border. Patchy rain in the west, south of about Tarcoola extending over southern coasts later. A cool day grading to mild in the west. Light to moderate northerly winds, fresh at times in the west and near the coasts.
Thursday 30 July
Patchy rain south of about Coober Pedy, turning to a medium chance of the showers over the agricultural area. A high chance of showers with possible small hail in the Lower South East district in the evening. Cool to mild with moderate to fresh north to northwest winds, strong about southern coasts, shifting colder southwesterly across the west and south.
Friday 31 July
Cold early with frost patches. Early fog patches over the Flinders Ranges and adjacent inland parts to the east. A slight chance of showers about the southern agricultural area, more likely in the Lower South East. Patchy rain developing in the far west. A mild day in the north with light winds. A cool to cold day in the south with moderate to fresh west to northwest winds, strong about southern coasts, turning moderate southwesterly about western coasts.
Saturday 1 August
Early fog patches over the northern agricultural area. A slight chance of showers over the southern agricultural area, more likely with possible small hail in the early morning in the Lower South East. Patchy rain over the south of the Northwest Pastoral and the West Coast district, increasing to areas of rain in the far west. Mild to warm in the north with light to moderate southeast to northeast winds. Cool to cold in the south with moderate northwest to southwest winds, fresh about southern coasts. Cumulative rainfall totals until midnight Saturday are expected to be 2 to 10 mm over the south of the Pastoral districts and the agricultural area, reaching 10 to 20 mm over the Lower South East district and southwest of about Tarcoola, increasing to 20 to 30 mm over the Nullarbor Plain. Less than 2 mm over the north of the pastoral districts.
Sunday until Tuesday
Areas of rain across the northern agricultural area and south of the pastoral districts, easing to a slight chance of showers on Monday, but more likely about the ranges. A slight chance of showers to the south, more likely about the southern agricultural area on Monday.
The next routine forecast will be issued at 4:30 pm CST Wednesday.