Notes on the weather for SA

Current situation

A high pressure system centred southwest of WA extends a ridge over most of SA. A cold front is expected to clip the southeast of the state today. The high will move slowly eastwards during the week. A trough over inland WA will move over SA mid to late next week.

The coming week

15 Sunday

Isolated showers about southern agricultural area and western coasts, more frequent during the morning. Showers developing in the far west from late morning and isolated thunderstorms developing in the northwest during the afternoon. Maximum temperatures below average. Southwest to southeasterly winds, fresh at times.

16 Monday

Isolated light morning showers about windward coasts and ranges of the southern agricultural area. Showers and isolated thunderstorms about the northwest and far west. Maximum temperatures below average. South to southeasterly winds, tending southeast to northeasterly in the west, fresh near the coast during the afternoon and early evening.

17 Tuesday

Showers and thunderstorms in the west. Maximum temperatures below average. Southeast to northeasterly winds, fresh near the coast during the afternoon and early evening.

18 Wednesday

Showers and thunderstorms in the west. Maximum temperatures above average in the east and near the coast but below average elsewhere. Northeasterly winds and afternoon sea breezes near the coast.

Cumulative rainfall totals to the end of Wednesday: mostly less then 2 mm about the southern agricultural area, but isolated falls of 2 to 5 mm are possible. 2 to 10 mm is expected about Eyre Peninsula and eastern parts of the North West Pastoral district. Further west, generally 5 to 15 mm, increasing to 15 to 30 mm in the far west. Local falls of 30 to 60 mm are likely with thunderstorms in the far west and isolated higher falls are possible.