Warnings

Detailed Severe Thunderstorm Warning (Heavy Rainfall) for parts of Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee areas Sun 01 Feb 2026

Australian Government Bureau of Meteorology
New South Wales

TOP PRIORITY FOR IMMEDIATE BROADCAST

Detailed Severe Thunderstorm Warning 
for Heavy Rainfall

for parts of Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee areas.

Issued at 4:20 pm Sunday, 1 February 2026.

Severe thunderstorms with heavy rainfall have developed this afternoon.

HEAVY RAINFALL for the following areas:
Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee
The Bureau of Meteorology warns that, at 4:15 pm, severe thunderstorms likely to produce heavy rainfall that may lead to flash flooding were detected near Camden, Oran Park and the Gresford district. These thunderstorms are moving towards the east. They are forecast to affect Campbelltown, Springwood and Blaxland by 4:45 pm and Sutherland, Liverpool and Penrith by 5:15 pm.
Cancellation for the following areas:
Wollongong

The State Emergency Service advises that people should:
 * Keep clear of creeks and storm drains.
 * Don't walk, ride your bike or drive through flood water.
 * If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
 * 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).
A more general severe thunderstorm warning is also current for parts of the Mid North Coast, Metropolitan, Illawarra and Central Tablelands districts.

The next warning is due to be issued by 5:20 pm.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.