Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Heavy Rainfall
for parts of Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee areas.
Issued at 4:20 pm Sunday, 1 February 2026.
Severe thunderstorms with heavy rainfall have developed this afternoon.
HEAVY RAINFALL for the following areas:
Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee
The Bureau of Meteorology warns that, at 4:15 pm, severe thunderstorms likely to produce heavy rainfall that may lead to flash flooding were detected near Camden, Oran Park and the Gresford district. These thunderstorms are moving towards the east. They are forecast to affect Campbelltown, Springwood and Blaxland by 4:45 pm and Sutherland, Liverpool and Penrith by 5:15 pm.
Cancellation for the following areas:
Wollongong
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).
A more general severe thunderstorm warning is also current for parts of the Mid North Coast, Metropolitan, Illawarra and Central Tablelands districts.
The next warning is due to be issued by 5:20 pm.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Forecast
Riverview (33.8256°S, 151.1599°E, 30m AMSL) set as my default location ›
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7 day forecast
Today: Cloudy. High chance of showers. Patchy smoke haze. A thunderstorm likely, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the outer W. Winds S 25 to 40 km/h.
Forecast for Riverview (33.8256°S, 151.1599°E, 30m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary
Minimum 22° 17° 17° 17° 19° 21° 21° Maximum 28° 20° 23° 26° 29° 28° 26° Chance of rain 70% 20% 20% 5% 40% 20% 90% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm 5-10mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate 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 4
(km/h)25
(km/h)27
(km/h)26
(km/h)8
(km/h)16
(km/h)9
(km/h)19
(km/h)5
(km/h)12
(km/h)6
(km/h)15
(km/h)7
(km/h)11
(km/h)Wind direction SSW S SSW S ENE ENE NNE ENE NNE ENE SW ENE NNE NE Relative humidity 78% 75% 55% 48% 61% 49% 62% 48% 67% 51% 77% 62% 75% 65% Dew point 22°C 21°C 9°C 9°C 12°C 12°C 14°C 15°C 17°C 18°C 20°C 20°C 20°C 19°C -
Sunrise and sunset times
Sunrise / Sunset for Riverview (33.8256°S, 151.1599°E, 30m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Full moon Last quarter New moon First quarter 5:49am EDT 6:16am EDT 8:01pm EDT 8:28pm EDT 7:45pm EDT 4:57am EDT
Waxing gibbous
Full moon Feb 02 Last quarter Feb 09 New moon Feb 17 First quarter Feb 24 -
Warnings
- Detailed Severe Thunderstorm Warning (Heavy Rainfall) for parts of Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee areas
- Detailed Severe Thunderstorm Warning (Heavy Rainfall) for parts of Blue Mountains/Hawkesbury, Sydney and Wollondilly/Wingecarribee areas
- Severe Thunderstorm Warning (Heavy Rainfall, Damaging Winds & Large Hail) for Mid North Coast, Metropolitan, Illawarra & Central Tablelands
- Severe Thunderstorm Warning (Heavy Rainfall, Damaging Winds & Large Hail) for Mid North Coast, Metropolitan, Illawarra & Central Tablelands
- Gale Warning Eden Coast. Strong Wind Warning Sydney Enclosed Waters & Coffs, Hunter, Sydney, Illawarra & Batemanss. Cancelled Macquarie
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Temperature for next 7 days
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Rain for next 7 days