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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Data Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
A NSW weather warning is an official alert from the Bureau of Meteorology when severe weather — including storms, floods, damaging winds, or heatwaves — is expected or already occurring across New South Wales. These warnings give you time to prepare and stay safe.
What types of NSW weather warnings are there?
The Bureau issues several categories. Severe thunderstorm warnings cover damaging winds, large hail, heavy rain, and tornadoes — yes, tornado warning nsw today is a real possibility during spring and summer. Flood warnings range from minor to major, while fire weather warnings flag extreme fire danger. Coastal hazard warnings alert you to dangerous surf and swell. You can check the nsw weather warning map on the BOM website for a live overview, or visit our severe weather warning page for full details on each type.
How do you stay across the latest warnings?
The Bureau updates warnings as conditions change, and during active weather you may see new alerts every 15–30 minutes. For storms nsw today, keep an eye on the weather radar alongside the warnings. If you are in the city, a sydney storm warning today will appear as a subset of the broader NSW alert. For tomorrow’s outlook, check the nsw weather warning tomorrow forecast. Bom nsw weather warnings remain the most authoritative source, but our Australia weather warnings page rounds up alerts nationwide. While a super storm warning for qld today won’t affect NSW directly, it is worth knowing when systems track south.
What is the difference between a severe thunderstorm warning and a watch?
A watch means conditions are favourable for severe thunderstorms to develop in the next few hours. A warning means severe weather is occurring or imminent — you should take shelter immediately. Warnings are the more urgent of the two.
Should you be concerned about a tornado warning in NSW?
Tornadoes are rare in NSW but do occur, usually with supercell thunderstorms during spring and summer. A tornado warning means radar or visual reports indicate a tornado is likely. Treat it seriously and seek shelter indoors without delay.
How long do NSW weather warnings stay active?
Warnings remain in effect until the severe weather passes or the threat diminishes. Thunderstorm warnings typically last a few hours, while flood or heatwave warnings can run for days. Always check the expiry time listed on the alert.