Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Sydney and Wollondilly/Wingecarribee areas.
Issued at 3:25 pm Saturday, 21 February 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.
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 Mid North Coast, Hunter, Metropolitan, Illawarra, Central Tablelands and Northern Tablelands districts.
Other warnings may be current.
The next warning is due to be issued by 3:55 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: Partly cloudy. Slight chance of a shower, becoming less likely in the evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the W. Winds SE 15 to 25 km/h becoming light in the late evening.
Forecast for Blackett (33.7385°S, 150.8112°E, 47m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 21° 21° 23° 20° 20° 19° 18° Maximum 35° 35° 29° 31° 32° 23° 23° Chance of rain 60% 90% 60% 30% 80% 90% 90% Likely amount 1-5mm 1-5mm 1-5mm < 1mm 1-5mm 10-20mm 5-10mm UV index Very High Extreme Extreme Very High Extreme Extreme Extreme Fire Danger 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 2
(km/h)12
(km/h)6
(km/h)10
(km/h)4
(km/h)15
(km/h)4
(km/h)10
(km/h)5
(km/h)11
(km/h)12
(km/h)16
(km/h)11
(km/h)15
(km/h)Wind direction N ESE NNE NNE N SSE SW ENE NNE SE SSW S SSE SE Relative humidity 78% 44% 81% 45% 84% 66% 78% 55% 77% 52% 86% 75% 84% 77% Dew point 22°C 21°C 22°C 21°C 22°C 21°C 19°C 21°C 20°C 21°C 18°C 19°C 17°C 18°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 First quarter Full moon Last quarter New moon 6:11am EDT 6:37am EDT 7:43pm EDT 8:09pm EDT 10:11am EDT 9:35pm EDT
Waxing crescent
First quarter Feb 24 Full moon Mar 03 Last quarter Mar 11 New moon Mar 19 -
Warnings
- Detailed Severe Thunderstorm Warning for Sydney and Wollondilly/Wingecarribee areas
- Detailed Severe Thunderstorm Warning for Sydney and Wollondilly/Wingecarribee areas
- Severe Thunderstorm Warning (Heavy Rain, Hail & Damaging Winds) Mid N Coast, Hunter, Metropolitan, Illawarra, C Tablelands & N Tablelands
- Severe Thunderstorm Warning (Heavy Rain, Hail & Damaging Winds) Mid N Coast, Hunter, Metropolitan, Illawarra, C Tablelands & N Tablelands
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Temperature for next 7 days
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Rain for next 7 days