As most of the county woke up to snow this morning, the cold front is set to continue into Tuesday afternoon.
There is snow forecast for Louth, Horncastle and Market Rasen for the rest of Monday and most of Tuesday.
Temperatures are set to plummet well below freezing overnight and could reach as low as -7 degrees Celsius.
Freezing temperatures may cause traffic problems on Wednesday and Thursday with temperatures predicted to fall between -1 and -7 degrees, and there could be more snow in the area on Friday.
The Met Office has issued an amber warning for snow disruption in the county and up to 10cm of snow is expected to fall in some parts of the country.