Very cold temperatures are predicted, with snow possible above 900 metres.

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The mercury is predicted to reach just six degrees in Orange, with a top of eight degrees in Lithgow and Oberon, while it will be a tad warmer in Bathurst with a maximum of nine.

Areas likely to receive snow are Oberon, Jenolan Caves, Blayney, Orange and Yetholme which is located midway between Bathurst and Lithgow.

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Snow is also expected for areas above 900 metres in the Snowy Mountains and South West slopes, as well as the Central and Northern Tablelands.

A spokesperson for NSW Roads and Maritime Service said areas around Jindabyne, Adaminaby, Cooma, Batlow, Orange, Bathurst, Lithgow, Oberon, Blayney, Walcha, Armidale, Guyra and the Blue Mountains were most likely to be impacted by the statewide cold snap.

IMAGES: Monday's snow maps from MetEye ...

"Roads and Maritime Services will endeavour to maintain access along all major corridors within affected areas, including through salt spreading at key locations and using snow clearing equipment where necessary," the spokesperson said.

"Information will be provided to motorists on electronic signs, including real-time traffic information.

VIDEO: Snowfall in Oberon last Monday

"Motorists are advised to check the road conditions before travelling, take additional caution and drive to conditions.

"Snow and black ice create additional road hazards and motorists should reduce speed, limit braking, use daytime driving lights and keep an increased distance between cars in front."

Check the latest traffic conditions at RMS Live Traffic.

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