Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Blue Mountains/Hawkesbury area.
Issued at 5:29 pm Saturday, 13 December 2025.
Severe thunderstorms have now eased over the Hawkesbury, but close monitoring continues.
Warning for the following areas:
New South Wales Anonymous Locale 1
Severe thunderstorms in the warning area have temporarily eased. However, the redevelopment of severe thunderstorms remains possible. The situation is being closely monitored and further detailed warnings will be issued as necessary.
Cancellation for the following areas:
Blue Mountains/Hawkesbury
The State Emergency Service advises that people should:
* Keep clear of fallen power lines.
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* 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 6:30 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
McMahons Point (33.8446°S, 151.2043°E, 20m 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 McMahons Point (33.8446°S, 151.2043°E, 20m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 17° 19° 18° 17° 17° 17° 18° Maximum 27° 30° 22° 22° 25° 28° 31° Chance of rain 70% 30% 50% 20% 5% 5% 60% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm UV index Extreme Extreme Extreme Extreme Very High Very High Very High Fire Danger Rating No Rating 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 13
(km/h)20
(km/h)11
(km/h)14
(km/h)15
(km/h)23
(km/h)17
(km/h)19
(km/h)10
(km/h)19
(km/h)10
(km/h)25
(km/h)11
(km/h)23
(km/h)Wind direction NNW ENE NW NNE S SE SE SE SE E N ENE NNE E Relative humidity 85% 68% 80% 52% 70% 62% 66% 59% 62% 50% 65% 52% 63% 52% Dew point 18°C 18°C 19°C 18°C 14°C 13°C 12°C 13°C 13°C 13°C 15°C 16°C 17°C 19°C -
Sunrise and sunset times
Sunrise / Sunset for McMahons Point (33.8446°S, 151.2043°E, 20m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:09am EDT 5:38am EDT 8:00pm EDT 8:29pm EDT 1:22am EDT 1:54pm EDT
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
- Detailed Severe Thunderstorm Warning for Blue Mountains/Hawkesbury area
- Detailed Severe Thunderstorm Warning for 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