Temperatures could drop as low as -4 tonight across Nottinghamshire, with the Met Office forecasting a widespread frost.
The regional forecast states it will be: "a colder night than of late with generally clear skies allowing a widespread frost to form away from the coast. Minimum Temperature -4 °C."
Nottinghamshire County Council's gritting team has treated main and severe weather routes this afternoon and will be out again later this evening.
Nationally, temperatures could fall to -7 or -8, according to BBC Weather.
Take care if you're out and about on the roads tonight and tomorrow morning.