As stated in the level 1 meteorological warning, which concerns, among others, Bolesławiec County:
Course: Winds with an average speed of 25 km/h to 35 km/h are forecast, with gusts of up to 75 km/h, from the west and northwest.
Probability: 75%. The warning is valid from 23 September at 11:00 p.m. to 24 September at 8:00 a.m..