Australian Government Bureau of Meteorology, Australia
Flood Watch For The Western Top End Rivers
Issued at 10:33 AM ACST on Sunday 18 January 2026
Flood Watch Number: 4
FLOODING IS POSSIBLE IN THE FLOOD WATCH AREA WITH HEAVY RAINFALL
Catchments likely to be affected include:
Moyle River
Katherine River
Daly River above Douglas River
Lower Daly River
Finniss River
Tiwi Islands
Upper Adelaide River
Adelaide River below Adelaide River Town
Mary River
Waterhouse River
Flooding is no longer expected in the following catchment(s): Katherine, Tiwi Islands, Mary and Waterhouse
For the latest flood and weather warnings see www.bom.gov.au/weather-and-climate/warnings-and-alerts
For the latest rainfall and river level information see www.bom.gov.au/australia/flood
Flood Safety Advice:
Don't drive, walk, swim or play in floodwater because it is dangerous.
Stay away from flooded drains, rivers, streams and waterways.
Obey road closure signs. Plan ahead so you don't drive on flooded roads.
Check the ABC and local media for updates. The situation can change quickly, so stay informed.
For local emergency management warnings and advice visit www.securent.nt.gov.au.}
For emergency assistance call SES on telephone number 132 500. In life-threatening emergencies, call 000 (triple zero) immediately.
Next issue:
The next Flood Watch will be issued by 11:00 AM ACST on Monday 19 January 2026.
Forecast
Larrimah (15.5732°S, 133.2157°E, 186m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. High chance of showers, most likely in the afternoon and evening. A thunderstorm likely, possibly severe with heavy rain which may lead to flash flooding S of Arnhem Highway in the afternoon and evening. Winds NW 15 to 20 km/h becoming light in the evening.
Forecast for Larrimah (15.5732°S, 133.2157°E, 186m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary 
Minimum 25° 25° 25° 25° 25° 25° 26° Maximum 34° 35° 37° 35° 33° 33° 31° Chance of rain 50% 20% 60% 60% 60% 90% 90% Likely amount 1-5mm < 1mm 1-5mm 1-5mm 5-10mm 40-80mm 10-20mm 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 10
(km/h)4
(km/h)10
(km/h)5
(km/h)13
(km/h)8
(km/h)12
(km/h)7
(km/h)11
(km/h)10
(km/h)12
(km/h)12
(km/h)14
(km/h)13
(km/h)Wind direction NNW E NW NNE W WNW NW NW NNW N NNW N N NNW Relative humidity 79% 52% 80% 47% 75% 44% 76% 53% 78% 58% 81% 60% 83% 67% Dew point 24°C 24°C 24°C 23°C 24°C 23°C 24°C 24°C 23°C 24°C 24°C 24°C 24°C 25°C -
Sunrise and sunset times
Sunrise / Sunset for Larrimah (15.5732°S, 133.2157°E, 186m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:57am CST 6:20am CST 7:15pm CST 7:39pm CST 6:26am CST 7:44pm CST 
New moon
New moon Jan 19 First quarter Jan 26 Full moon Feb 02 Last quarter Feb 09 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
