The level 1 meteorological warning, which concerns, among others, Bolesławiec County, states:
Expected conditions: A local temperature drop to -4°C to -2°C is forecast, with local drops to -6°C, and at ground level to -6°C, locally to -8°C. The maximum temperature during the day will be 4°C, 6°C to 9°C on Wednesday. [...]
Probability: 80%.
The warning is in effect until Thursday, April 2, at 8:00 a.m..