Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Weather Warning
for Heavy Rainfall
for parts of Upper Western Forecast District.
Issued at 10:51 pm Tuesday, 17 March 2026.
Heavy rainfall developing about the Upper Western this evening.
Weather Situation
Ample tropical moisture extends over the centre of the country with a surface trough extending into the far northwest of the state. Meanwhile an upper trough is moving across South Australia. This combination will lead to the development of heavy rainfall in the far northwest of the state from this evening into Wednesday.
HEAVY RAINFALL for the following areas:
Upper Western
HEAVY RAINFALL which may lead to FLASH FLOODING is forecast for parts of the Upper Western district this evening and into Wednesday. Six-hourly rainfall totals between 50 and 80 mm are likely.
Conditions are expected to ease below warning thresholds by late Wednesday.
Flood Watches and Warnings are current for the area. Please refer to https://www.bom.gov.au/weather-and-climate/warnings-and-alerts/ for more information.
Locations which may be affected include Tibooburra, White Cliffs, Fowlers Gap and Milparinka.
The State Emergency Service advises that people should:
* Don't drive, ride or walk through flood water.
* Keep clear of creeks and storm drains.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
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.act.gov.au).
The next Severe Weather Warning will be issued by 5:00 am AEDT Wednesday.
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
Iona (32.6664°S, 151.6034°E, 3m AMSL) set as my default location ›
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7 day forecast
Today: Cloudy. Medium chance of showers, most likely in the afternoon. The chance of a thunderstorm about the Lower Hunter in the morning. Thunderstorms possibly severe with heavy rain which may lead to flash flooding near the coast in the morning. Light winds becoming S/SE 15 to 20 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 18 and 21 with daytime temperatures reaching 23 to 28.
Forecast for Iona (32.6664°S, 151.6034°E, 3m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary
Minimum 20° 19° 18° 17° 18° 17° 17° Maximum 26° 21° 23° 25° 23° 24° 24° Chance of rain 70% 80% 70% 60% 80% 90% 90% Likely amount 5-10mm 5-10mm 1-5mm 5-10mm 5-10mm 1-5mm 1-5mm UV index Very High Very High Very High Very High Very High Very High 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 6
(km/h)11
(km/h)3
(km/h)4
(km/h)5
(km/h)10
(km/h)4
(km/h)12
(km/h)8
(km/h)14
(km/h)5
(km/h)13
(km/h)4
(km/h)13
(km/h)Wind direction SSW SSE SW SSW WSW SSE W SSE SW SSE S SE S SSE Relative humidity 83% 73% 94% 85% 92% 76% 86% 65% 86% 72% 88% 71% 83% 66% Dew point 20°C 20°C 19°C 19°C 19°C 19°C 18°C 18°C 18°C 18°C 18°C 19°C 18°C 18°C -
Sunrise and sunset times
Sunrise / Sunset for Iona (32.6664°S, 151.6034°E, 3m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 6:30am EDT 6:55am EDT 7:09pm EDT 7:33pm EDT 5:43am EDT 6:35pm EDT
Waning crescent
New moon Mar 19 First quarter Mar 26 Full moon Apr 02 Last quarter Apr 10 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days