Forecast issued at 4:58 pm CST on Wednesday 28 September 2016.
A vigorous front near Adelaide to Leigh Creek is moving slowly east and is associated with an intense low 975 hPa south of the Bight that is forecast to be centred just southwest of Kangaroo Island early Thursday morning, just south of Victor Harbor late morning and near Bordertown late afternoon. A high pressure system will move in from the west on Friday and then move east of the State early Saturday, ahead of a trough moving over the west later Saturday and a cold front moving across the State on Sunday.
Forecast for the rest of Wednesday
Cloudy. High (80%) chance of rain, becoming less likely later this evening. The chance of a thunderstorm. Winds west to northwesterly 35 to 50 km/h.
Thursday 29 September
Cloudy. Very high (95%) chance of rain. The chance of a thunderstorm in the morning and afternoon. Winds northwesterly 35 to 50 km/h tending northerly before dawn then shifting southwesterly 35 to 55 km/h early in the morning. Overnight temperatures falling to around 7 with daytime temperatures reaching around 14.
Sun protection 9:40am to 3:00pm, UV Index predicted to reach 5 [Moderate]
Friday 30 September
Cloudy. High (70%) chance of showers, most likely in the morning. Winds southwesterly 40 to 55 km/h decreasing to 25 to 40 km/h in the middle of the day then turning westerly 15 to 20 km/h in the late evening. Overnight temperatures falling to around 7 with daytime temperatures reaching around 14.
Saturday 1 October
Partly cloudy. Winds west to northwesterly 15 to 25 km/h tending northwest to northeasterly 25 to 35 km/h during the day then becoming northwesterly 25 to 30 km/h during the evening. Overnight temperatures falling to around 7 with daytime temperatures reaching around 18.
Sunday 2 October
Cloudy. High (70%) chance of showers. Winds northwesterly 20 to 30 km/h turning westerly 25 to 35 km/h during the morning then increasing to 25 to 40 km/h during the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 18.
The next routine forecast will be issued at 5:40 am CST Thursday.