The level 1 meteorological warning, which concerns, among others, Bolesławiec County, states:
Course: Minimum temperatures at night are forecast to range locally from -20°C to -15°C. Maximum daytime temperatures will range from -5°C to -2°C. Wind with an average speed of 10 km/h to 20 km/h.
Warning validity: from January 31 at 9:00 p.m. until February 1 at 9:00 a.m. Probability: 80 percent.