Source: Bureau of Meteorology

For people in parts of Blue Mountains/Hawkesbury and Sydney areas.

Issued at 4:51 pm Sunday, 25 October 2026.

Severe thunderstorms crossing Sydney.

The Bureau of Meteorology warns that, at 4:50 pm, severe thunderstorms likely to produce damaging winds were detected near Colo Heights, the Wollemi National Park north of Kurrajong and Kurrajong. These thunderstorms are moving towards the southeast. They are forecast to affect Richmond, Windsor and Londonderry by 5:05 pm and Riverstone, the Yengo National Park northwest of St Albans and Blacktown by 5:20 pm.

The State Emergency Service advises that people should:
* Park your car under secure cover and away from trees, powerlines and drains.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.act.gov.au).