Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Large Hailstones And Heavy Rainfall
for parts of Blue Mountains/Hawkesbury and Wollondilly/Wingecarribee areas.
Issued at 3:00 pm Monday, 5 January 2026.
Severe thunderstorms continue this afternoon.
LARGE HAILSTONES and HEAVY RAINFALL for the following areas:
Blue Mountains/Hawkesbury and Wollondilly/Wingecarribee
The Bureau of Meteorology warns that, at 3:00 pm, severe thunderstorms likely to produce large hailstones and heavy rainfall that may lead to flash flooding were detected near Berrima, the Belanglo State Forest and the Oberon district. These thunderstorms are moving towards the east to southeast. They are forecast to affect Katoomba, Moss Vale and the Jamison Valley by 3:30 pm and Bowral, Blackheath and Hazelbrook by 4:00 pm.
The State Emergency Service advises that people should:
* Park your car under secure cover and away from trees, powerlines and drains.
* Secure or put away loose items around your house, yard and balcony.
* 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 the Central Tablelands and parts of the Hunter, Metropolitan, Illawarra, South Coast, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, Snowy Mountains and Australian Capital Territory districts.
Other warnings may be current.
The next warning is due to be issued by 4:00 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
Berkshire Park (33.6722°S, 150.7958°E, 17m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Slight chance of a shower. 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 outer W in the afternoon and early evening. Winds S 15 to 20 km/h turning SE 15 to 25 km/h in the middle of the day.
Forecast for Berkshire Park (33.6722°S, 150.7958°E, 17m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary
Minimum 18° 19° 18° 19° 19° 23° 21° Maximum 30° 31° 36° 41° 41° 44° 27° Chance of rain 40% 30% 10% 5% 5% 10% 20% Likely amount 5-10mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate Moderate High High - - - 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)11
(km/h)6
(km/h)13
(km/h)6
(km/h)15
(km/h)7
(km/h)15
(km/h)6
(km/h)17
(km/h)12
(km/h)18
(km/h)15
(km/h)23
(km/h)Wind direction S SE SE E ENE ENE NE E ENE ENE NNW NNW S SSE Relative humidity 71% 45% 86% 49% 78% 29% 59% 17% 60% 17% 40% 16% 70% 49% Dew point 17°C 17°C 19°C 17°C 20°C 14°C 18°C 11°C 17°C 11°C 18°C 12°C 17°C 14°C -
Sunrise and sunset times
Sunrise / Sunset for Berkshire Park (33.6722°S, 150.7958°E, 17m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter Full moon 5:24am EDT 5:53am EDT 8:11pm EDT 8:40pm EDT 9:54pm EDT 7:24am EDT
Waning gibbous
Last quarter Jan 11 New moon Jan 19 First quarter Jan 26 Full moon Feb 02 -
Warnings
- Detailed Severe Thunderstorm Warning (Large Hailstones & Heavy Rainfall) for Blue Mountains/Hawkesbury & Wollondilly/Wingecarribee areas
- Detailed Severe Thunderstorm Warning (Large Hailstones & Heavy Rainfall) for Blue Mountains/Hawkesbury & Wollondilly/Wingecarribee areas
- Severe Storm Warning ( Rain, Hail & Winds) C Tablelands & Hunter, Metropolitan, Illawarra, S Cst, S Tablelands, NW Slopes & Plains
- Severe Storm Warning ( Rain, Hail & Winds) C Tablelands & Hunter, Metropolitan, Illawarra, S Cst, S Tablelands, NW Slopes & Plains
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Temperature for next 7 days
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Rain for next 7 days