Source: Bureau of Meteorology

For people in parts of North West Slopes and Plains Forecast District.

Issued at 4:22 am Sunday, 8 March 2026.

Heavy rainfall developing through northern parts of the state.

Weather Situation: A trough of low-pressure combines with exceptionally high atmospheric moisture to produce slow moving thunderstorms with heavy rainfall over northern parts of New South Wales.

Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Narrabri, Wee Waa, Bellata and Boggabri.

58.5 mm was recorded at Narrabri Airport in the 3 hours to 4 am.

The State Emergency Service advises that people should:
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Stay indoors away from windows, and keep children and pets indoors as well.
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).