Source: Bureau of Meteorology

For people in Lower South East and parts of Upper South East districts.

Issued at 7:48 am Saturday, 28 February 2026.

Slow moving and VERY DANGEROUS THUNDERSTORMS are occurring over the over the Lower South East early this morning.

Weather Situation: A very humid airmass is in place near a stationary trough located over the far southeast of SA. Slow moving lines of thunderstorms developing in this environment will be capable of producing heavy rainfall, locally intense.

VERY DANGEROUS THUNDERSTORMS are likely to produce heavy, locally intense rainfall that may lead to dangerous and life-threatening flash flooding in the warning area over the next several hours. Locations which may be affected include Mount Gambier, Naracoorte, Robe, Millicent and Lucindale.

The State Emergency Service advises that people should:
* 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.