Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Heavy Rainfall
for parts of Blue Mountains/Hawkesbury and Sydney areas.
Issued at 7:10 am Sunday, 18 January 2026.
Heavy rainfall is ongoing about parts of Sydney and the Blue Mountains
HEAVY RAINFALL for the following areas:
Blue Mountains/Hawkesbury and Sydney
The Bureau of Meteorology warns that, at 7:10 am, severe thunderstorms likely to produce heavy rainfall that may lead to flash flooding were detected near Parramatta, Sydney City, Penrith and the Sydney Harbour Bridge. These thunderstorms are slow moving. They are forecast to affect Sydney Olympic Park, Blaxland, Strathfield, Blacktown, Gordon and Randwick by 7:20 am.
68.0 mm of rainfall was recorded at Liverpool (Georges River) in the 5 hours to 5:15 am.
44.0 mm of rainfall was recorded at Peakhurst Golf Club in 1 hour to 04:30 am.
41.2 mm of rainfall was recorded at Shanes Park (South Creek Road) in 1 hour to 06:30 am.
39.5 mm of rainfall was recorded at Kelso Creek in 1 hour to 04:45 am.
The State Emergency Service advises that people should:
* 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.
* Stay indoors away from windows, and keep children and pets indoors as well.
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 Metropolitan and Central Tablelands districts.
Other warnings may be current.
The next warning is due to be issued by 8:10 am.
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
Mount View (32.8524°S, 151.2703°E, 259m AMSL) set as my default location ›
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7 day forecast
Today: Cloudy. High chance of showers, becoming less likely this evening. The chance of a thunderstorm in the morning and early afternoon, possibly severe with heavy rain which may lead to flash flooding near the coast. Winds SE 25 to 35 km/h. Daytime maximum temperatures between 18 and 24.
Forecast for Mount View (32.8524°S, 151.2703°E, 259m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary
Minimum 17° 16° 15° 13° 12° 15° 17° Maximum 22° 25° 25° 26° 29° 29° 31° Chance of rain 90% 50% 50% 5% 10% 20% 10% Likely amount 10-20mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme 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 16
(km/h)24
(km/h)15
(km/h)22
(km/h)14
(km/h)22
(km/h)12
(km/h)18
(km/h)6
(km/h)16
(km/h)10
(km/h)17
(km/h)9
(km/h)14
(km/h)Wind direction SSE SE SSE SSE S SSE SSW S SW ESE SE ESE ENE E Relative humidity 90% 87% 78% 58% 74% 55% 68% 48% 66% 46% 74% 57% 73% 49% Dew point 18°C 18°C 17°C 15°C 16°C 14°C 13°C 13°C 14°C 15°C 17°C 19°C 19°C 18°C -
Sunrise and sunset times
Sunrise / Sunset for Mount View (32.8524°S, 151.2703°E, 259m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:37am EDT 6:04am EDT 8:05pm EDT 8:33pm EDT 5:00am EDT 7:56pm EDT
Waning crescent
New moon Jan 19 First quarter Jan 26 Full moon Feb 02 Last quarter Feb 09 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days