Severe Thunderstorm Warning for Penrith and Springwood Areas

Source: BOM · Blue Mountains/Hawkesbury and Sydney, NSW

If you are in immediate danger, call emergency services now.

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Areazine synthesizes this BoM weather warning directly from BOM's official public data feed. See our methodology for full source attribution and refresh cadence.

A severe thunderstorm warning is in effect for parts of Blue Mountains/Hawkesbury and Sydney areas in NSW, with large hailstones, heavy rainfall and damaging winds detected near Penrith and Springwood.

The weather record, at a glance

Record type
Severe Thunderstorm Warning
Affected area
Blue Mountains/Hawkesbury and Sydney, NSW
Issued
September 25, 2026
Issuing authority
BOM

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

The Bureau of Meteorology (BOM) has issued a severe thunderstorm warning (IDN21035) for large hailstones, heavy rainfall that may lead to flash flooding, and damaging winds. The warning was issued at 3:55 pm Friday, 25 September 2026, and expires at 8:55 pm the same day.

Affected Areas

The alert covers parts of Blue Mountains/Hawkesbury and Sydney areas in NSW. The thunderstorm was detected near Penrith and Springwood at 3:50 pm and is moving northeast. It is forecast to affect Richmond, Windsor and Riverstone by 4:20 pm and Kurrajong and Wilberforce by 4:50 pm.

What You Should Do

Park your car under secure cover and away from trees, powerlines and drains. Secure or put away loose items around your house, yard and balcony. Keep at least 8 metres away from fallen power lines or objects that may be energised. Report fallen power lines to Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093). Keep clear of creeks and storm drains. Do not walk, ride your bike or drive through flood water. If trapped by flash flooding, seek refuge in the highest available place and ring 000 if rescue is needed. Stay indoors away from windows and keep children and pets indoors. For emergency help, ring the SES on 132 500.

Expected Conditions

The severe thunderstorm is likely to produce large hailstones, heavy rainfall that may lead to flash flooding, and damaging winds.

Timeline

The warning was issued at 3:55 pm Friday, 25 September 2026. The thunderstorm was detected at 3:50 pm and is forecast to affect listed locations between 4:20 pm and 4:50 pm. The next warning is due by 4:55 pm. The alert expires at 8:55 pm.

Original source: BOM Official Notice ↗

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Comparable nationwide notices (length or severity timing) 8

Beyond this BoM weather warning's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.

Frequently Asked Questions

Common questions about this BoM weather warning.

What is this BoM weather warning about? ▾
A severe thunderstorm warning is in effect for parts of Blue Mountains/Hawkesbury and Sydney areas in NSW, with large hailstones, heavy rainfall and damaging winds detected near Penrith and Springwood.
Which agency issued this alert? ▾
This alert was issued by BOM. The original notice is available at the source link at the bottom of this article.
How severe is this alert? ▾
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected? ▾
This alert affects Blue Mountains/Hawkesbury and Sydney, NSW. Check with BOM for the most current geographic scope.
Where can I find more Weather Warnings updates? ▾
Browse the full Weather Warnings feed on Areazine at areazine.com/au/weather/ for the latest updates from BOM and other agencies.