Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Blue Mountains/Hawkesbury area.
Issued at 11:55 am Saturday, 17 January 2026.
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.
49mm of rainfall was recorded at Medlow Bath in the 2 hours to 11:30 am.
48mm of rainfall was recorded at Blackheath in the 60 min to 11 am.
35mm of rainfall was recorded at North Parramatta in the 30 min to 8:27 am.
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.
* Beware of fallen trees or debris on the road.
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 Central Tablelands district.
Other warnings may be current.
The next warning is due to be issued by 12:55 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Forecast
Blackett (33.7385°S, 150.8112°E, 47m AMSL) set as my default location ›
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7 day forecast
Today: Cloudy. Very high chance of rain. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds S 25 to 40 km/h decreasing to 20 to 30 km/h in the late evening.
Forecast for Blackett (33.7385°S, 150.8112°E, 47m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 17° 17° 17° 16° 16° 15° 17° Maximum 21° 22° 24° 25° 25° 28° 28° Chance of rain 90% 90% 80% 80% 30% 20% 20% Likely amount 40-80mm 20-40mm 1-5mm 1-5mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate No Rating No Rating 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 19
(km/h)21
(km/h)17
(km/h)19
(km/h)11
(km/h)17
(km/h)9
(km/h)18
(km/h)11
(km/h)15
(km/h)6
(km/h)14
(km/h)4
(km/h)14
(km/h)Wind direction S SSE SSE SSE S SE S SSE SW SE SW SE SSE ESE Relative humidity 85% 84% 89% 80% 82% 65% 78% 55% 72% 53% 71% 50% 68% 50% Dew point 17°C 18°C 17°C 18°C 17°C 17°C 17°C 16°C 15°C 15°C 16°C 17°C 17°C 17°C -
Sunrise and sunset times
Sunrise / Sunset for Blackett (33.7385°S, 150.8112°E, 47m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:35am EDT 6:03am EDT 8:10pm EDT 8:38pm EDT 4:01am EDT 7:16pm EDT
Waning crescent
New moon Jan 19 First quarter Jan 26 Full moon Feb 02 Last quarter Feb 09 -
Warnings
- Detailed Severe Thunderstorm Warning for Blue Mountains/Hawkesbury area
- Detailed Severe Thunderstorm Warning for Blue Mountains/Hawkesbury area
- cancellation of coastal hazard Warning for Sydney Metropolitan, Hunter, Illawarra & Mid North and South coasts
- cancellation of coastal hazard Warning for Sydney Metropolitan, Hunter, Illawarra & Mid North and South coasts
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Temperature for next 7 days
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Rain for next 7 days