Gritters will take to Derbyshire's roads over the next 24 hours.
A Met Office spokesman said: "It's very cold today and many areas will struggle to rise above freezing with brisk winds. Temperatures will reach 2C.
"Overnight temperatures will fall to -3C and there will be isolated light wintry showers.
"It will be another very cold day tomorrow with a few wintry flurries possible for a time, mainly on Derbyshire hills, and temperatures will reach 4C."
A Derbyshire County Council spokesman said: "With a possibility of sleet and snow flurries over the next 24 hours, our gritters will be back out again today.