Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Damaging Winds, Large Hailstones And Heavy Rainfall
for parts of South Coast, Southern Tablelands, South West Slopes, Snowy Mountains, Australian Capital Territory and Riverina Forecast Districts.
Issued at 2:55 pm Wednesday, 31 December 2025.
Severe thunderstorms developing in the southeast this afternoon.
Weather Situation
Convergence over the ranges is triggering (severe) thunderstorms this afternoon.
DAMAGING WINDS, LARGE HAILSTONES and HEAVY RAINFALL for the following areas:
South Coast, Southern Tablelands, South West Slopes, Riverina, Snowy Mountains and Australian Capital Territory
Severe thunderstorms are likely to produce damaging winds, large hailstones and heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Cooma, Tumbarumba, Mount Ginini, Adaminaby, Nimmitabel and Tumut.
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 at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* 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.gov.au).
The next warning is due to be issued by 5:55 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
Yanco (34.6034°S, 146.41°E, 140m AMSL) set as my default location ›
-
7 day forecast
Today: Mostly sunny. The chance of a thunderstorm in the afternoon and early evening, possibly severe with damaging winds in the SE. Winds S/SW 20 to 30 km/h. Daytime maximum temperatures in the low to mid 30s.
Forecast for Yanco (34.6034°S, 146.41°E, 140m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary
Minimum 20° 14° 16° 20° 21° 19° 18° Maximum 33° 34° 35° 36° 38° 36° 38° Chance of rain 5% 5% 20% 30% 20% 10% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Very High Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High Moderate Moderate 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 22
(km/h)26
(km/h)19
(km/h)11
(km/h)22
(km/h)13
(km/h)23
(km/h)10
(km/h)15
(km/h)17
(km/h)11
(km/h)17
(km/h)12
(km/h)9
(km/h)Wind direction SSW WSW E ESE ENE E ENE NNW NNE W SW SW ENE S Relative humidity 50% 21% 52% 20% 43% 19% 43% 20% 40% 13% 51% 17% 46% 18% Dew point 12°C 8°C 12°C 7°C 9°C 7°C 12°C 9°C 13°C 4°C 14°C 6°C 13°C 8°C -
Sunrise and sunset times
Sunrise / Sunset for Yanco (34.6034°S, 146.41°E, 140m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Full moon Last quarter New moon First quarter 5:35am EDT 6:04am EDT 8:30pm EDT 9:00pm EDT 5:16pm EDT 2:26am EDT
Waxing gibbous
Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 First quarter Jan 26 -
Warnings
-
Temperature for next 7 days
-
Rain for next 7 days