South Australia Forecast

View the current warnings for South Australia

Forecast issued at 4:30 pm CDT on Saturday 23 March 2019.

Weather Situation

A cold front will move over southern coastal districts overnight followed by a more significant cold front moving over the south late Sunday and early Monday. A high pressure system will become established south of the Bight by late Tuesday and will move eastwards to be centred over the Tasman Sea late Wednesday.

Forecast for the rest of Saturday

A slight chance of showers about the West Coast district, the south of the Pastoral districts and parts of the northern agricultural area, more likely in the south of the North West Pastoral district. Possible thunderstorms in the far west of the West Coast district and the south of the North West Pastoral district. Possible afternoon and early evening thunderstorms in the far northeast corner. A slight to medium chance of showers and possible thunderstorms developing about southern coasts late evening. Mild evening in the south grading to warm in the far north. Light to moderate southeast to southwesterly winds, fresher in the north of the North West Pastoral district with possible areas of raised dust. Light north to northeasterly winds in the far northeast.

Sunday 24 March

A band of high cloud across southern Pastoral districts and northern agricultural areas with patchy rainfall and a slight chance of thunder, more likely over areas bounded by Broken Hill, Woomera, Port Augusta and Renmark. Showers developing south of this band, more likely over the southeast during the evening with the passage of a cold front. Possible afternoon thunderstorms northeast of about Ernabella/Pukatja to Marree, and also over areas east of Spencer Gulf and south of Port Augusta to Renmark. Warm in the south grading to hot to very hot in the north. Possible early morning fog in the southeast. Light to moderate southeast to southwesterly winds, tending fresh to strong and gusty northwest to westerly in the south developing from early afternoon.

Monday 25 March

Areas of rain and possible thunderstorms over the north of the North East Pastoral district. Possible heavy falls in the far northeast. A slight to medium chance of showers mostly about the southern agricultural area, decreasing during the day. Cool to mild in the south, grading to warm in the far north. Moderate to fresh southwest to southeasterly winds, strong near southern coasts.

Tuesday 26 March

Areas of rain and possible thunderstorms northeast of about Moomba, with possible heavy falls in the far northeast corner. A slight chance of showers about southern and western coasts clearing by the end of the day. Generally cool to mild with moderate southwest to southeasterly winds.

Wednesday 27 March

Possible early morning fog in the southeast and some patchy morning rain in the far northeast, then a fine afternoon throughout. Generally mild with light to moderate south to southeasterly winds. Cumulative rainfall totals until midnight Wednesday are likely to be generally 1 to 5 mm over the southern agricultural area and the far west, increasing to 5 to 10 mm over the Mount Lofty Ranges and the Lower South East. Falls of 5 to 30 mm are expected with the band of rain over the northern agricultural area and southern parts of the Pastoral districts this weekend. Ex TC Trevor is expected to produce falls of 10 to 50 mm over the north of the North East Pastoral district, possibly reaching 50 to 100 mm in the far northeast corner, mostly on Monday and into Tuesday.

Thursday until Saturday

Showers re-developing over the southern agricultural area from late Thursday, extending over remaining agricultural areas with the passage of a cold front, before easing and contracting to southern coasts on Saturday. Cool to mild in the south grading to mild to warm in the north. Generally light winds ahead of a fresh to strong southwesterly change on Friday, extending throughout and easing on Saturday.

The next routine forecast will be issued at 5:30 am CDT Sunday.

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