IDD10111
Australian Government Bureau of Meteorology
Northern Territory

Northern Territory Forecast
Issued at 3:00 pm CST on Sunday 21 December 2025
for the period until midnight CST Thursday 25 December 2025.

Warning Information
For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659
210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation
A trough moving northwards across southern districts will extend across the
Barkly and northeast Simpson Districts during Monday and draw in tropical
moisture from the north. The trough will deepen into a monsoon trough over the
Gregory, Carpentaria and northern Barkly Districts from about Wednesday and
bring the first active burst of the monsoon to northern NT this wet season. The
monsoon trough is likely to persist south of the Top End throughout the week. A
ridge will also direct drier southeasterly winds across southern NT from Monday.

Forecast for the rest of Sunday 21 December
A medium to high chance of showers and thunderstorms throughout apart from a
slight chance in the southwest. Possible heavy rainfall with thunderstorms in
central districts and the northeast Simpson. Light to moderate south to
southeasterly winds south of Ali Curung. Light to moderate northeast to
northwesterly winds elsewhere.

Forecast for Monday 22 December
A medium to high chance of showers and thunderstorms north of Ti Tree and in
the eastern Simpson District, with a slight chance in the southern Tanami
District. Possible intense rainfall with thunderstorms in the northern Barkly
District. Possible heavy rainfall with thunderstorms elsewhere in the Barkly,
Carpentaria, Gregory, northeast Tanami and Simpson, and southern Daly and
Arnhem Districts. Moderate to fresh and gusty southeasterly winds in the
Lasseter and southern Simpson Districts. Light to moderate northeast to
southeasterly winds elsewhere, tending northwest to northeasterly north of
Renner Springs.

Forecast for Tuesday 23 December
Sunny in the Lasseter, southern Tanami and southern Simpson Districts. A medium
to high chance of showers and thunderstorms elsewhere. Possible heavy rainfall
with thunderstorms in the Gregory, Carpentaria and northern Barkly Districts.
Moderate to fresh and gusty southeasterly winds south of Elliott. Light to
moderate northwest to northeasterly winds elsewhere.

Forecast for Wednesday 24 December
Sunny in the Lasseter and southern Simpson Districts. A slight to medium chance
of showers and thunderstorms elsewhere increasing to a high chance north of Ali
Curung. Possible heavy rainfall with thunderstorms in the Carpentaria, Gregory
and northern Barkly Districts. Moderate to fresh and gusty east to
southeasterly winds south of Elliott. Light to moderate northwest to
northeasterly winds elsewhere.

Forecast for Thursday 25 December
Sunny in the Lasseter and southern Simpson Districts. A slight to medium chance
of showers and thunderstorms elsewhere increasing to a high chance north of Ali
Curung. Possible heavy rainfall with thunderstorms in the Gregory, southern
Carpentaria, southern Daly and northern Barkly Districts. Moderate to fresh and
gusty east to southeasterly winds south of Elliott. Light to moderate northwest
to northeasterly winds elsewhere.

The next routine forecast will be issued at 2:30 am CST Monday.

* Calls to 1300 numbers cost around 27.5c inc GST, higher from mobiles or
public phones.


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