Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Heavy Rainfall
for parts of Sydney, Wollondilly/Wingecarribee and Greater Wollongong areas.
Issued at 3:46 pm Sunday, 1 February 2026.
Severe thunderstorms with heavy rainfall have developed this afternoon.
HEAVY RAINFALL for the following areas:
Sydney, Wollondilly/Wingecarribee and Greater Wollongong
The Bureau of Meteorology warns that, at 3:40 pm, a severe thunderstorm likely to produce heavy rainfall that may lead to flash flooding was detected near Picton and Appin. This thunderstorm is moving towards the east. It is forecast to affect Camden, Campbelltown and Oran Park by 4:10 pm and Engadine, Helensburgh and Badgerys Creek by 4:40 pm.
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 Metropolitan, Illawarra and Central Tablelands districts.
The next warning is due to be issued by 4:50 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.
Forecast
Nelson Bay (32.7171°S, 152.1549°E, 5m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Areas of smoke haze, particularly during the morning, easing into the afternoon. High chance of showers, most likely in the afternoon and evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds NW/SW 15 to 25 km/h tending SE/SW in the early afternoon. Daytime maximum temperatures 32 to 39.
Forecast for Nelson Bay (32.7171°S, 152.1549°E, 5m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary
Minimum 22° 20° 20° 19° 20° 21° 22° Maximum 28° 21° 22° 25° 26° 26° 25° Chance of rain 90% 20% 10% 5% 20% 50% 70% Likely amount 5-10mm < 1mm < 1mm < 1mm < 1mm < 1mm 5-10mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High High Moderate - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 15
(km/h)14
(km/h)39
(km/h)34
(km/h)17
(km/h)20
(km/h)16
(km/h)27
(km/h)12
(km/h)20
(km/h)13
(km/h)22
(km/h)17
(km/h)17
(km/h)Wind direction NE SSE SSW SSW E E NE ENE NE ENE NE ENE NE ENE Relative humidity 79% 75% 65% 54% 60% 54% 66% 61% 71% 64% 79% 71% 75% 75% Dew point 21°C 22°C 13°C 11°C 13°C 13°C 15°C 17°C 17°C 19°C 20°C 20°C 19°C 20°C -
Sunrise and sunset times
Sunrise / Sunset for Nelson Bay (32.7171°S, 152.1549°E, 5m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Full moon Last quarter New moon First quarter 5:49am EDT 6:16am EDT 7:54pm EDT 8:21pm EDT 7:38pm EDT 4:56am EDT
Waxing gibbous
Full moon Feb 02 Last quarter Feb 09 New moon Feb 17 First quarter Feb 24 -
Warnings
- Detailed Severe Thunderstorm Warning (Heavy Rainfall) for parts of Sydney, Wollondilly/Wingecarribee and Greater Wollongong areas
- Detailed Severe Thunderstorm Warning (Heavy Rainfall) for parts of Sydney, Wollondilly/Wingecarribee and Greater Wollongong areas
- Hazardous Surf Warning for Monday for Hunter, Sydney and Illawarra coasts
- Gale Warning Eden Coast. Strong Wind Warning Sydney Enclosed Waters & Coffs, Macquarie, Hunter, Sydney, Illawarra & Batemans coasts
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Temperature for next 7 days
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Rain for next 7 days