As stated in the level-one weather warning concerning, among others, Bolesławiec County:
The wet surfaces of roads and pavements are forecast to freeze after rainfall, sleet and wet snow, causing them to become icy. The minimum temperature will be around -5°C, and the minimum temperature at ground level around -8°C. Sub-zero air temperatures will persist until 28 December.
Probability: 90%. The warning is valid:
from: 2021-12-24 21:00
to: 2021-12-25 09:00.