Forecast issued at 5:30 am CST on Wednesday 27 July 2016.
A cold front is moving across Victoria and a high 1030 hPa over the south of Western Australia extends a ridge of high pressure into the west of South Australia. Another front will move across western and southern coasts later on Saturday.
Forecast for the rest of Wednesday
Early frost patches in the far northwest. The slight chance of a shower over the agricultural area and the Nullarbor Plain, more likely near far southern coasts. Cool to cold with moderate to fresh southwesterly winds, becoming moderate westerly in the south and light to moderate southerly in the north.
Thursday 28 July
Early morning fog and frost patches over parts of the pastoral districts and northern agricultural area. A slight chance of a shower over the southern agricultural area, increasing to a medium chance over Kangaroo Island, the Lower South East and over the southern Mount Lofty Ranges. Cool with mainly light winds, tending light to moderate westerly in the south.
Friday 29 July
Early morning fog over the agricultural area, mainly in the north. A slight chance of a shower near southern coasts and in the South East districts, contracting south in the late afternoon or evening. Cool grading to mild in the west with light northeast to northwesterly winds.
Saturday 30 July
Early morning fog over the eastern agricultural area. Fine at first elsewhere ahead of the slight chance of showers developing in the west and over the southern agricultural area in the late afternoon or evening. Mild grading to warm in the far west with with freshening northerly winds ahead of a cooler west to southwesterly change later in the west later. Cumulative rainfall totals until midnight Saturday are expected to be less than 2 mm over the south of the pastoral districts and the northern agricultural area, reaching 2 to 5 mm about western coasts and 2 to 10 mm about the South East district and remainder of southern coasts and ranges.
Sunday until Tuesday
The slight to medium chance of showers over the agricultural area and south of the pastoral districts, more likely at times over the southern agricultural area on Monday and Tuesday. Fresh northwest to southwesterly winds, strong at times.
The next routine forecast will be issued at 4:30 pm CST Wednesday.