Thunderstorm
Severe Thunderstorm Warning for New South Wales Anonymous Locale 1
BoM did not classify the severity of this warning. We display it as Advisory (amber) so the risk isn't visually understated. Read the warning text carefully for actual conditions.
IDN21035
Australian Government Bureau of Meteorology
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
For people in Blue Mountains/Hawkesbury and Sydney areas.
Issued at 4:42 pm Friday, 25 September 2026.
Severe thunderstorms in the warning area have temporarily eased. However, the redevelopment of severe thunderstorms remains possible. The situation is being closely monitored and further detailed warnings will be issued as necessary.
The State Emergency Service advises that people should:
* Keep clear of fallen power lines.
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* Beware of fallen trees or debris on the road.
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).
The next warning is due to be issued by 5:45 pm.
A more general severe thunderstorm warning is also current for parts of the Metropolitan, Central Tablelands and Hunter districts. Other warnings may be current.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Areas affected
New South Wales Anonymous Locale 1, Blue Mountains/Hawkesbury and Sydney
Version history
This update replaces 1 earlier version:

