Source: Bureau of Meteorology

For people in parts of Arnhem and Carpentaria districts.

Issued at 1:22 am Sunday, 18 October 2026.

A severe thunderstorm is occurring near Katherine, moving slowly to the north.

Weather Situation: A severe thunderstorm southeast of Katherine is moving to the north, producing the risk of large hail and damaging winds.

Severe thunderstorms are likely to produce damaging winds and large hailstones in the warning area over the next several hours.

The Northern Territory Emergency Service advises that people should:
* secure loose outside objects
* ensure pets and animals are safe
* avoid remaining in the open when storms threaten
* pull over if it is raining heavily and you cannot see, park with your hazard lights on until the rain clears
* avoid driving into water of unknown depth and current
* for emergency help in floods, storms and cyclones, contact the NTES on 132 500. For more safety tips visit www.securent.nt.gov.au