Snow showers are forecast for Hull and East Yorkshire on Wednesday.
The Met Office has today issued two severe weather warnings for parts of the region.
A yellow alert for heavy snow is in place from 4pm today for higher ground in northern parts of the East Riding.
Lighter showers of snow and sleet may fall over Hull tomorrow afternoon and evening.
A separate alert of icy conditions has been issued for the western half of East Yorkshire as rain and sleet freezes on untreated surfaces.
Temperatures will drop to -2C over the next 24 hours, but it will feel as cold as -6C.
Hull City Council said today it was preparing to grit roads and "priority" footpaths from 6pm tonight.
Councillor Martin Mancey, portfolio holder for environment and transport, said: "The safety of drivers, pedestrians and residents is a top priority for us and when the adverse weather hits over the next couple of days, we have a committed and dedicated team that work 24/7 to ensure the main traffic routes, pedestrian and shopping areas are as clear and as safe as possible."
East Riding Council said this evening it was preparing to salt its main road network.• Pocklington Infant School is closed today because its heating has broken.
• Motorists warned of icy conditions
Updated 12.10pm