Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Large Hailstones, Damaging Winds And Heavy Rainfall
for parts of Blue Mountains/Hawkesbury area.
Issued at 4:28 pm Saturday, 13 December 2025.
A severe thunderstorms continues in the Blue Mountains this afternoon.
LARGE HAILSTONES, DAMAGING WINDS and HEAVY RAINFALL for the following areas:
Blue Mountains/Hawkesbury
The Bureau of Meteorology warns that, at 4:30 pm, a severe thunderstorm likely to produce large hailstones, damaging winds and heavy rainfall that may lead to flash flooding was detected near Bilpin and the Wollemi National Park north of Kurrajong. This thunderstorm is moving towards the northeast. It is forecast to affect Colo Heights and Upper Colo by 5:00 pm and the Yengo National Park northwest of St Albans and the Putty Road north of Colo Heights by 5:30 pm.
Cancellation for the following areas:
Wollondilly/Wingecarribee,Wollongong
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, Illawarra, South Coast, Central Tablelands, Central West Slopes and Plains, Upper Western, North West Slopes and Plains and Snowy Mountains districts.
The next warning is due to be issued by 5:30 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
Baerami (32.3891°S, 150.4702°E, 197m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding about the Upper Hunter. Winds E/NE 15 to 20 km/h becoming light in the evening.
Forecast for Baerami (32.3891°S, 150.4702°E, 197m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 17° 19° 18° 16° 16° 13° 15° Maximum 32° 35° 27° 24° 29° 33° 39° Chance of rain 80% 20% 30% 40% 5% 5% 20% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate Moderate 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 4
(km/h)7
(km/h)12
(km/h)18
(km/h)11
(km/h)17
(km/h)18
(km/h)21
(km/h)13
(km/h)16
(km/h)5
(km/h)9
(km/h)6
(km/h)6
(km/h)Wind direction NW NNE NW WNW SE ESE SE ESE SE ESE ESE ESE NNW NE Relative humidity 76% 34% 74% 32% 65% 46% 69% 55% 62% 40% 63% 31% 52% 21% Dew point 17°C 14°C 19°C 16°C 14°C 15°C 13°C 15°C 14°C 14°C 14°C 13°C 16°C 12°C -
Sunrise and sunset times
Sunrise / Sunset for Baerami (32.3891°S, 150.4702°E, 197m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:14am EDT 5:43am EDT 7:58pm EDT 8:26pm EDT 1:23am EDT 1:55pm EDT
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
- Detailed Severe Thunderstorm Warning (Large Hailstones, Damaging Winds And Heavy Rainfall) for parts of Blue Mountains/Hawkesbury area
- Detailed Severe Thunderstorm Warning (Large Hailstones, Damaging Winds And Heavy Rainfall) for parts of Blue Mountains/Hawkesbury area
- Severe Storm Warning ( Rain, Hail & Winds) Hunter, Metropolitan, Illawarra, S Cst, C Tablelands, CW Slopes/Plains, U Western, NW Slopes
- Severe Storm Warning ( Rain, Hail & Winds) Hunter, Metropolitan, Illawarra, S Cst, C Tablelands, CW Slopes/Plains, U Western, NW Slopes
- 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