NSW Police and emergency services have warned people to "get off the road" if they see flash flooding, landslides or debris on their route.
Police have reminded the community to take care as wet weather is expected to continue for large parts of the state in coming days.
The Bureau of Meteorology has forecast rain with possible storms, heavy bursts of rain and flash flooding across parts of NSW.
The predicted conditions have potential to damage homes and property, as well as possibly causing trees and power lines to fall.
State emergency operations controller, Deputy Commissioner Gary Worboys, said this type of weather can also create hazardous conditions on the roads.
"It has been a while since we've had significant rainfall so I also want to remind all road users take extra care," Deputy Commissioner Worboys said.
"The key for motorists is drive or ride to the conditions; reduce your speed to make sure there's enough braking distance between you and the vehicle in front.
"The weather will be particularly problematic for motorcycle riders and cyclists, so if you've got to be on the road, wear bright-coloured clothing, be seen by other vehicles, and share the roads safely.
"Those towing vans, trailers, and boats should also exercise added caution as roads will be slippery, and visibility will be impacted.
"Most importantly, if the road conditions get dangerous - things like flash flooding, mud or landslides, debris or trees on the road - get off the road and wait somewhere away from trees, drains and low-lying areas and floodwaters.
The NSW State Emergency Service is reminding the community of ways to prepare for heavy rainfall and strong wind:
- People can help prevent storm damage around their properties by trimming back overhanging branches
- Secure or store away loose items around the yard or balcony
- Stay clear of fallen trees or powerlines. It's also important to avoid parking your cars under trees and powerlines; and
- Never drive through floodwater and stay clear of creeks and storm drains
- It's likely that people will see a lot of water across main roads, the NSW SES is asking people over the next few days to drive to the conditions
- Keep clear of creeks and storm drains
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