Weather forecasters issued a yellow code advisory for frost for October 19 and 20. There will be ground frost of -1..-3 degrees Celsius and, in parts, in the air of -1..-2 degrees Celsius, IPN reports.

According to the State Hydrometeorological Service, the frosts expected at night and in the morning are determined by a mass of cold air coming from Nordic latitudes.

Thunderstorms are forecast for October 17. Daytime temperatures tomorrow will oscillate between +15 and +18 degrees Celsius, while nighttime temperatures between +11 and +14. On October 18, the temperatures will decline by 2-5 degrees Celsius and will remain as such at the start of next week. Towards the middle of next week, it will grow warmer.