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 area.
Issued at 7:04 pm Saturday, 13 December 2025.
Isolated severe thunderstorm near the Wollemi National Park.
HEAVY RAINFALL, LARGE HAILSTONES and DAMAGING WINDS for the following areas:
Blue Mountains/Hawkesbury
The Bureau of Meteorology warns that, at 7:00 pm, a severe thunderstorm likely to produce heavy rainfall that may lead to flash flooding, large hailstones and damaging wind gusts was detected near the Wollemi National Park west of Putty. This thunderstorm is moving towards the east.
Cancellation for the following areas:
New South Wales Anonymous Locale 1
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 Hunter, Metropolitan, Central Tablelands, North West Slopes and Plains, Central West Slopes and Plains and Upper Western districts.
The next warning is due to be issued by 7:35 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
Dawes Point (33.8556°S, 151.2082°E, 10m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. High chance of showers, most likely in the early morning. The chance of a thunderstorm in the early morning. Light winds becoming NW/SW 20 to 30 km/h in the morning then tending S 35 to 55 km/h in the late evening.
Forecast for Dawes Point (33.8556°S, 151.2082°E, 10m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary
Minimum 19° 18° 17° 17° 17° 18° 21° Maximum 30° 22° 22° 25° 28° 31° 31° Chance of rain 20% 40% 30% 5% 5% 80% 90% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm 5-10mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating - - - - - - - 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 11
(km/h)14
(km/h)15
(km/h)23
(km/h)17
(km/h)19
(km/h)10
(km/h)19
(km/h)12
(km/h)25
(km/h)11
(km/h)22
(km/h)15
(km/h)18
(km/h)Wind direction NW NNE S SE SE SE SE E NNE ENE NNE E ESE E Relative humidity 80% 52% 70% 62% 66% 59% 62% 50% 66% 52% 63% 53% 75% 62% Dew point 19°C 18°C 14°C 13°C 12°C 13°C 13°C 13°C 15°C 16°C 17°C 19°C 20°C 22°C -
Sunrise and sunset times
Sunrise / Sunset for Dawes Point (33.8556°S, 151.2082°E, 10m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:09am EDT 5:38am EDT 8:01pm EDT 8:30pm EDT 1:46am EDT 2:51pm EDT
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
- Detailed Severe Thunderstorm Warning (Heavy Rainfall, Large Hailstones And Damaging Winds) for parts of Blue Mountains/Hawkesbury area
- Detailed Severe Thunderstorm Warning (Heavy Rainfall, Large Hailstones And Damaging Winds) for parts of Blue Mountains/Hawkesbury area
- Severe Thunderstorm Warning (Heavy Rain, Hail & Winds) Hunter, Metropolitan, C Tablelands, NW Slopes & Plains, CW Slopes/Plains & U Western
- Severe Thunderstorm Warning (Heavy Rain, Hail & Winds) Hunter, Metropolitan, C Tablelands, NW Slopes & Plains, CW Slopes/Plains & U Western
- Strong Wind Warning for Sunday for Sydney Enclosed Waters & Hunter, Sydney, Illawarra, Batemans and Eden coasts
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Temperature for next 7 days
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Rain for next 7 days