As stated in the first-level warning, which covers, among others, Bolesławiec County:
Details: Rainfall is forecast, at times moderate to heavy in intensity. The forecast total rainfall is between 20 mm and 35 mm, locally up to 50 mm. The heaviest rainfall is forecast in the morning and then again in the evening and at night.
Remarks: Local thunderstorms during the day, with wind gusts of up to 60 km/h.
Probability: 85%. The warning is valid until Tuesday, 24 August, at 7:00 a.m..