Source: Bureau of Meteorology

For people in Riverland and parts of Flinders, Mid North, Murraylands and North East Pastoral districts.

Issued at 3:52 pm Tuesday, 20 October 2026.

Severe thunderstorms are developing over central parts of the east.

Weather Situation: Scattered showers and thunderstorms are developing this afternoon over eastern South Australia near and ahead of a slow-moving surface trough.

Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding, large hailstones and damaging winds in the warning area over the next several hours. Locations which may be affected include Waikerie, Loxton, Berri, Blanchetown and Danggali Conservation Park.

The State Emergency Service advises that people should:
* Secure or put away loose items around your property.
* Move cars under cover or away from trees.
* Keep clear of fallen power lines.
* Don't drive, ride or walk through flood water.
* Keep clear of creeks and storm drains.
* Stay indoors, away from windows, while storms are nearby.