Forecast issued at 4:57 pm CST on Saturday 30 July 2016.
A cold front over the West coast district will move over southern coasts later today. A more significant front will move across the State on Monday. A high pressure system moves into the Bight on Tuesday, then maintains a ridge over the State as it moves southeastwards on Wednesday and Thursday.
Forecast for the rest of Saturday
A slight to medium chance of showers extending across the agricultural area and south of the pastoral districts, increasing to a high chance of rain in the West Coast district. Showers and rain contracting north and easing during the late evening. Moderate to fresh north to northwesterly winds, tending west to southwesterly in the west and becoming light and variable later.
Sunday 31 July
Areas of morning fog about the West Coast district, the south of the Northwest Pastoral and the agricultural area. The slight to medium chance of rain extending across most areas of the State southwest of Pukatja to Marree, increasing to a high to very high chance south of about Woomera to Hawker but north of about Adelaide to Elliston. Possible late thunderstorms about Kangaroo Island and the Lower South East coast. Mild grading to warm in the northwest. Light winds tending moderate northwest to northeasterly during the day and shifting westerly in the west.
Monday 1 August
A slight to medium chance of rain over parts of the Pastoral districts and agricultural area east of about Tarcoola to Kingscote increasing to a high to very high chance south of Woomera, contracting to the Northeast Pastoral district during the morning and early afternoon, then clearing by late evening. Showers in the west extending over the agricultural area and south of the pastorals during the day, with possible small hail south of Port Augusta, then contracting to the southern agricultural area during the evening. Possible thunderstorms extending the agricultural area and west coast. Local heavy falls are possible about the Mount Lofty Ranges. Possible light snow falls about the higher peaks of the Mid North and Flinders districts late evening. Warm in the northeast grading to cool to mild elsewhere with moderate to fresh north to northwesterly winds, ahead of a cold, fresh southwesterly change extending throughout.
Tuesday 2 August
A slight chance of showers about the southern agricultural area and remaining coasts, increasing to a medium to high chance about southern coasts. Cool to cold with the chance of early morning frost in the Northwest pastoral, northern agricultural area and the south of the Northeast Pastoral. Light to moderate southwest to southeasterly winds, fresh at times in the north and east.
Wednesday 3 August
A slight to medium chance of showers about the southern agricultural area. Cool with light to moderate south to southwesterly winds, tending east to northeasterly in the west. Cumulative rainfall totals until midnight Wednesday are expected to be less than 2 mm in the north of the pastoral districts increasing to 2 to 10 mm in the south of the pastoral districts. 5 to 15 mm is expected over the agricultural area, increasing to 15 to 25 mm about the southern Flinders Ranges and to 25 to 40 mm about the Mount Lofty Ranges.
Thursday until Saturday
A chance of showers about the southern coast of Kangaroo Island and the Lower South East coast on Friday, clearing during the day. A chance of showers developing over the far west on Friday, then extending over the West Coast district and western Eyre Peninsula on Saturday. Cool at first then becoming mild in the northwest with mainly light winds.
The next routine forecast will be issued at 5:30 am CST Sunday.