Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Heavy Rainfall, Large Hailstones And Damaging Winds
for parts of Blue Mountains/Hawkesbury, Wollondilly/Wingecarribee and Sydney areas.
Issued at 2:27 pm Saturday, 13 December 2025.
Severe thunderstorms continuing near Picton and Camden.
HEAVY RAINFALL, LARGE HAILSTONES and DAMAGING WINDS for the following areas:
Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee
The Bureau of Meteorology warns that, at 2:20 pm, severe thunderstorms likely to produce heavy rainfall that may lead to flash flooding, large hailstones and damaging wind gusts were detected near the Nattai Tablelands and Lake Burragorang. These thunderstorms are moving towards the east. They are forecast to affect Oakdale, the Burragorang State Recreation Area and Buxton by 2:50 pm and Warragamba, Cobbity and Bargo by 3:20 pm.
The State Emergency Service advises that people should:
* Move your car under cover or away from trees.
* 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.
* 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.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
A more general severe thunderstorm warning is also current for parts of the Metropolitan, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Central West Slopes and Plains, South West Slopes, Upper Western, Snowy Mountains and Lower Western districts.
The next warning is due to be issued by 3:30 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
Double Bay (33.8772°S, 151.2448°E, 8m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding in the outer W. Winds E/NE 15 to 25 km/h becoming light in the late evening.
Forecast for Double Bay (33.8772°S, 151.2448°E, 8m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 18° 19° 18° 18° 19° 18° 19° Maximum 24° 29° 20° 20° 23° 27° 30° Chance of rain 80% 30% 50% 30% 20% 5% 40% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating No Rating Moderate Moderate 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 6
(km/h)23
(km/h)11
(km/h)16
(km/h)17
(km/h)23
(km/h)19
(km/h)19
(km/h)11
(km/h)17
(km/h)10
(km/h)22
(km/h)10
(km/h)24
(km/h)Wind direction NNW ENE NNW NE S SSE SE SE ESE E N ENE NNE ENE Relative humidity 81% 76% 77% 69% 69% 68% 64% 64% 61% 59% 67% 66% 71% 67% Dew point 18°C 20°C 19°C 23°C 13°C 14°C 12°C 13°C 14°C 15°C 16°C 20°C 20°C 23°C -
Sunrise and sunset times
Sunrise / Sunset for Double Bay (33.8772°S, 151.2448°E, 8m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:08am EDT 5:37am EDT 8:00pm EDT 8:29pm EDT 1:22am EDT 1:54pm EDT
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
- Severe Thunderstorm Warning (Heavy Rain, Large Hail & Damaging Winds) Blue Mountains/Hawkesbury, Wollondilly/Wingecarribee & Sydney areas
- Severe Thunderstorm Warning (Heavy Rain, Large Hail & Damaging Winds) Blue Mountains/Hawkesbury, Wollondilly/Wingecarribee & Sydney areas
- Severe Storm Warning (Winds, Hail & Rain), Illawarra, S Cst, C Tablelands, S Tablelands, CW Slopes/Plains, SW Slopes, U Western, Snowy Mtns
- Severe Storm Warning (Winds, Hail & Rain), Illawarra, S Cst, C Tablelands, S Tablelands, CW Slopes/Plains, SW Slopes, U Western, Snowy Mtns
- Cancellation of Wind Warning for Eden Coast
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Temperature for next 7 days
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Rain for next 7 days