Australian Government Bureau of Meteorology
Northern Territory
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:02 PM CST on Saturday 13 December 2025
Valid for Saturday 13 December 2025 to Tuesday 16 December 2025
Warning for the following areas:
Arnhem and Simpson
Cancellation for the following areas:
Lasseter
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures in the low to mid forties and overnight minimum temperatures in the mid twenties in the south. Over the eastern Top End, maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid twenties.
Severe heatwave conditions across southern parts of the NT will ease over the weekend as a milder change moves through. Severe heatwave conditions are developing over northeastern NT and are expected to peak early next week.
Severe heatwave conditions have eased over the Lasseter district, however low intensity heatwave conditions may linger for a day or two. Locations likely to be impacted include Alice Springs, Santa Teresa, Titjikala and Bulman.
The next heatwave warning will be issued by 3:00pm CST on Sunday 14 December 2025
Forecast
Central Arnhem Plateau AWS (13.3275°S, 133.0861°E, 416m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the afternoon and evening. Light winds becoming N/NW 15 to 20 km/h in the late afternoon then becoming light in the evening.
Forecast for Central Arnhem Plateau AWS (13.3275°S, 133.0861°E, 416m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary 
Minimum 23° 23° 24° 24° 23° 23° 23° Maximum 37° 37° 36° 34° 33° 32° 34° Chance of rain 20% 40% 70% 70% 80% 90% 80% Likely amount < 1mm 1-5mm 5-10mm 10-20mm 10-20mm 10-20mm 1-5mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme 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 8
(km/h)14
(km/h)8
(km/h)17
(km/h)8
(km/h)14
(km/h)8
(km/h)12
(km/h)13
(km/h)14
(km/h)15
(km/h)17
(km/h)13
(km/h)-
(km/h)Wind direction NE E SSE ENE NE ENE NW SE ENE ENE ESE E ESE - Relative humidity 65% 30% 65% 30% 67% 36% 72% 50% 79% 60% 78% 61% 74% n/a Dew point 22°C 17°C 22°C 17°C 22°C 19°C 23°C 22°C 23°C 24°C 23°C 24°C 23°C n/a -
Sunrise and sunset times
Sunrise / Sunset for Central Arnhem Plateau AWS (13.3275°S, 133.0861°E, 416m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:42am CST 6:05am CST 6:59pm CST 7:23pm CST 1:42am CST 2:18pm CST 
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
