Notes on the weather for SA

Current situation

A series of troughs continue moving east, with a low pressure system developing near the Victorian border on Friday. In the west, a high pressure system will move into the Bight and slowly move east to be centred over Victoria on Monday, while extending a ridge into parts of the state. Another trough near the WA border is expected to develop from Saturday and extend into the state before weakening by Monday.

The coming week

01 Thursday

Showers, tending to rain about parts of the east, and the chance of isolated thunderstorms across most districts. Severe thunderstorms with heavy rainfall are possible about western and central districts. Southwest to southeasterly winds, tending northwest to westerly, fresh and gusty at times, in the far northeast until midnight.

02 Friday

Isolated showers about the agricultural areas contracting to the southeast during the evening and isolated morning showers about the pastoral districts. Thunderstorms are possible about the eastern districts from the morning and parts of the far northwest during the afternoon. Maximum temperatures below average. Southeast to southwesterly winds, fresh near the coast and in the north during the afternoon.

03 Saturday

Possible morning fog about the west coast and Eyre Peninsula. Isolated showers about the southeast, clearing during the evening. Isolated showers and thunderstorms developing over the far west. Maximum temperatures below average. East to southeasterly winds, tending southwest to southerly, fresh near the coast, in the southeast.

04 Sunday

Isolated showers and thunderstorms over the far west, possibly extending into central parts during the day. Maximum temperatures below average. Southeast to northeasterly winds, tending south to southwesterly about the eastern districts at times during the evening.

05 Monday

Possible morning fog in the far west. Slight chance of isolated showers or thunderstorms over the northern parts of the pastoral districts. Maximum temperatures below average. Light winds, tending northwest to southwesterly from the afternoon.

Cumulative rainfall totals to the end of Monday: 2 to 10 mm across the state, increasing 10 to 20 mm in the northwest and across the southern agricultural area, with local falls possibly reaching up to 20 to 40 mm ? particularly with thunderstorms.