Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Heavy Rainfall
for parts of South Coast, Southern Tablelands and Snowy Mountains Forecast Districts.
Issued at 10:06 am Saturday, 21 March 2026.
Slow moving thunderstorms producing heavy rainfall have developed in the southeast.
Weather Situation
An upper trough in the southeast of the state is supporting the development of a slow moving cluster of severe thunderstorms this morning. Storms are moving slowly to the east and northeast and may persist throughout the remainder of the morning.
HEAVY RAINFALL for the following areas:
South Coast, Southern Tablelands and Snowy Mountains
Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Araluen.
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).
The next warning is due to be issued by 1:10 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
New Buildings (36.9477°S, 149.5748°E, 173m AMSL) set as my default location ›
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7 day forecast
Today: Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. A thunderstorm likely in the afternoon and early evening, possibly severe with heavy rain which may lead to flash flooding inland. Light winds. Daytime maximum temperatures between 19 and 24.
Forecast for New Buildings (36.9477°S, 149.5748°E, 173m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 17° 17° 16° 16° 17° 14° 12° Maximum 22° 25° 25° 25° 25° 24° 17° Chance of rain 90% 30% 10% 40% 30% 90% 90% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm 10-20mm 5-10mm UV index High High High High Very High High High Fire Danger Rating No Rating No Rating No Rating No Rating - - - 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 9
(km/h)6
(km/h)3
(km/h)12
(km/h)2
(km/h)13
(km/h)4
(km/h)14
(km/h)2
(km/h)9
(km/h)4
(km/h)9
(km/h)20
(km/h)22
(km/h)Wind direction SW SE N ENE N ENE N ENE NNW ENE WSW SSE WSW WSW Relative humidity 91% 86% 93% 74% 88% 75% 91% 75% 91% 74% 86% 75% 82% 65% Dew point 19°C 19°C 19°C 19°C 18°C 19°C 18°C 19°C 19°C 19°C 16°C 17°C 11°C 9°C -
Sunrise and sunset times
Sunrise / Sunset for New Buildings (36.9477°S, 149.5748°E, 173m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 6:38am EDT 7:04am EDT 7:11pm EDT 7:37pm EDT 9:15am EDT 8:07pm EDT
Waxing crescent
First quarter Mar 26 Full moon Apr 02 Last quarter Apr 10 New moon Apr 17 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days