Weather forecasters issued a yellow code advisory for ground frost of -1..-2 degrees Celsius for September 21-24, IPN reports.
The warning for change in the weather conditions takes effect on Monday, September 19. Until September 21, the weather will be unstable. There will be rain with thunder and lightning. Heavy rain is forecast for September 20 (25-35 l/m2 / 12 hours). On Tuesday and Wednesday, the north-western wind will intensify to 15-20 m/s.
Daytime temperatures will decrease to 13..18 degrees Celsius, while nighttime temperatures to 4 degrees Celsius.