South Australia Forecast

View the current warnings for South Australia

Forecast issued at 4:30 pm CST on Sunday 9 August 2020.

Weather Situation

A high pressure system to the south extends a ridge of high pressure across the west of SA which will move over eastern parts on Monday as the high moves to near Tasmania. A low pressure trough is expected to move over the far west late Monday, then extend eastwards on Tuesday. A slow moving low pressure system will move across waters to the south from late Tuesday.

Forecast for the rest of Sunday

Cloudy but dry. Light to moderate southwest to southeasterly winds, tending east to northeasterly in the west.

Monday 10 August

Cold at first with areas of frost and fog about the agricultural area and North East Pastoral district. A slight to medium chance of showers extending across the west from mid morning, increasing to a high to very high chance in the far west and tending to rain in the northwest. A cool to mild day, grading to warm in the northwest. Light to moderate northeasterly winds, becoming fresh to strong in the west and turning northwesterly in the far west with areas of raised dust.

Tuesday 11 August

A high to very high chance of rain extending across the agricultural area and south of the pastoral districts, a medium to high chance of rain about the remainder of the North West Pastoral district easing to showers during the morning and a slight to medium chance of showers about the North East Pastoral district. Possible thunderstorms about western districts south of about Woomera. Cool to mild with moderate to fresh northeast to northwesterly winds, shifting west to northwesterly in the west.

Wednesday 12 August

A high to very high chance of showers about the southern agricultural area, grading to a slight to medium chance over the far south of the pastoral districts. Possible thunderstorms extending over the agricultural area. Cool grading to mild in the northeast with light to moderate north to northwesterly winds tending westerly at times in the west.

Thursday 13 August

A high to very high chance of showers about the southern agricultural area, grading to a slight chance of showers over the south of the pastoral districts. A slight chance of showers developing over the far northeast during the afternoon and evening. Possible early thunderstorms about the Lower South East district. Cool to mild, grading to warm in the far northeast. Generally light to moderate northwest to southwesterly winds tending east to southeasterly in the far northeast. Cumulative rainfall totals until midnight Wednesday are expected to be 2 to 10 mm over the northern agricultural area, West Coast district and pastoral districts, increasing to 5 to 15 mm about the southern agricultural area and reaching 15 to 30 mm about western Kangaroo Island and the Mt Lofty Ranges. Falls of up to 20 mm are possible with rain in the northwest and with thunderstorms.

Friday until Sunday

A high to very high chance of showers continuing about the southern agricultural area on Friday, grading to a slight to medium chance of showers over the pastoral districts, apart from the far northwest, contracting south and west on Saturday to be confined to the agricultural area on Sunday. Possible thunderstorms in the far northeast on Friday. Cold at first in the east on Sunday with areas of frost. Generally cool to mild with light to moderate northwest to southwesterly winds becoming northerly in the north and west on Sunday.

The next routine forecast will be issued at 5:30 am CST Monday.

Product IDS10033