The Bureau of Meteorology issued an updated severe weather warning at 10.50am today.
Damaging winds are forecast for people in Adelaide Metropolitan, Mount Lofty Ranges, Lower Eyre Peninsula, Eastern Eyre Peninsula, Yorke Peninsula, Mid North, Kangaroo Island, Riverland, Murraylands, Upper South East, Lower South East and parts of West Coast and Flinders districts.
The cold front which is expected to sweep across South Australia will bring damaging winds, squally showers and thunderstorms to much of the southern half of the State.
SA Police urge motorists across the state to drive to the conditions, with the strongest winds and heaviest rain are likely in the Adelaide area from about mid-afternoon into the evening.
Locations which may be affected on Wednesday morning include Port Lincoln, Kingscote, Victor Harbor and Strathalbyn, extending during the afternoon to include Adelaide, Mount Gambier, Maitland, Clare, Murray Bridge and Keith, then also Renmark during the evening.
The State Emergency Service advises that people should:
* Move vehicles under cover or away from trees;
* Secure or put away loose items around your property.
* Stay indoors, away from windows, while conditions are severe.
For the latest information: http://www.bom.gov.au/products/IDS21037.shtml