The Crawley area could see another heavy fall of snow early tomorrow morning (Sunday January 20).
The Met Office says it could arrive around 9am.
Light showers of snow are forecast for the rest of Sunday and there could be some this afternoon (Saturday January 19).
Fog could add to problems first thing on Monday.
Temperatures are set to remain at freezing until at least Tuesday and could dip to minus three degC in the town and lower in the countryside.