Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Large, Possibly Giant Hailstones And Damaging, Locally Destructive Winds
for Northern Rivers, Northern Tablelands and parts of Mid North Coast and North West Slopes and Plains Forecast Districts.
Issued at 2:44 pm Saturday, 18 October 2025.
GIANT HAIL AND DESTRUCTIVE WINDS POSSIBLE ABOUT NYMBOIDA, HEADING NORTHEAST TOWARDS GRAFTON
Weather Situation
A southerly change pushing up the northern NSW coast, and a surface trough extending inland, are both helping to initiate thunderstorms in the northeastern parts of the state this afternoon. Thunderstorms are expected to persist into the early evening.
LARGE, POSSIBLY GIANT HAILSTONES and DAMAGING, LOCALLY DESTRUCTIVE WINDS for the following areas:
Northern Rivers, Mid North Coast, North West Slopes and Plains and Northern Tablelands
VERY DANGEROUS THUNDERSTORMS are likely to produce large, possibly giant hailstones and damaging, locally destructive winds over the next several hours in parts of the Northern Rivers, Mid North Coast and Northern Tablelands districts. Locations which may be affected include Grafton, Nymboida, Coutts Crossing and Ulmarra.
Severe thunderstorms are likely to produce large hailstones and damaging winds over the next several hours in the Northern Rivers, Northern Tablelands and parts of the Mid North Coast and North West Slopes and Plains districts. Locations which may be affected include Lismore, Grafton, Coffs Harbour, Armidale, Tenterfield, Glen Innes, Inverell, Byron Bay and Kyogle.
The State Emergency Service advises that people should:
* Move your car under cover or away from trees.
* 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.
* Trees that have been damaged by fire are likely to be more unstable and more likely to fall.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* Stay vigilant and monitor conditions. Note that the landscape may have changed following bushfires.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
The next warning is due to be issued by 5:45 pm.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Forecast
Tambar Springs (31.3452°S, 149.8292°E, 457m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers on the slopes, slight chance elsewhere. The chance of a thunderstorm in the afternoon and early evening, possibly severe with damaging winds and large hail. Winds N/NW 15 to 20 km/h tending NW/SW 15 to 25 km/h in the middle of the day then tending SE/SW in the late afternoon. Daytime maximum temperatures 28 to 35.
Forecast for Tambar Springs (31.3452°S, 149.8292°E, 457m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary Minimum 16° 12° 17° 20° 22° 15° 12° Maximum 29° 29° 32° 35° 35° 27° 27° Chance of rain 5% 5% 5% 5% 30% 5% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Very High Very High Very High Very High Extreme Extreme Very High 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 11
(km/h)21
(km/h)16
(km/h)12
(km/h)23
(km/h)21
(km/h)23
(km/h)20
(km/h)30
(km/h)31
(km/h)20
(km/h)14
(km/h)16
(km/h)15
(km/h)Wind direction SSW SW E NNE N NNW N N N NNW SSW SW S SW Relative humidity 76% 30% 61% 28% 57% 31% 41% 23% 38% 23% 44% 20% 49% 19% Dew point 15°C 8°C 11°C 8°C 12°C 12°C 11°C 10°C 10°C 10°C 5°C 2°C 7°C 1°C -
Sunrise and sunset times
Sunrise / Sunset for Tambar Springs (31.3452°S, 149.8292°E, 457m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:56am EDT 6:21am EDT 7:16pm EDT 7:40pm EDT 4:31am EDT 4:21pm EDT Waning crescent
New moon Oct 21 First quarter Oct 30 Full moon Nov 06 Last quarter Nov 12 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days