After several unusually mild November days, Czechia is about to experience a rapid shift in weather, with temperatures falling sharply over the weekend following the passage of a cold front.

According to the Czech Hydrometeorological Institute (CHMI), a weakening occlusion front from the west is currently shaping the country’s weather.

Satellite images show a red cloud band indicating this front, while low inversion clouds and persistent fog dominate lowland regions. Skies are expected to gradually clear from the southwest during Tuesday afternoon and evening.

The warm air will peak on Friday, when temperatures could reach up to 16°C, and around 18°C in the lee of the Šumava Mountains. After the weekend, a cold front will bring a noticeable cooling.

Friday will mark the culmination of the warm spell. Although fog and cloudiness will still appear in some places, many regions — especially in southern Bohemia — will clear up. Temperatures will range from 12 to 16°C, possibly up to 18°C near Šumava, making it one of the warmest days of the month.

The change will come suddenly on Saturday, as a cold front crosses the country. Cloud cover will increase, and rain will spread to several regions, with snowfall expected in the mountains. Morning temperatures will be between 0 and 5°C, but daytime highs will fall to 4–8°C.

Sunday will bring a continuation of the cooling trend. The day will remain mostly cloudy, with occasional rain or snow at higher altitudes. Morning temperatures will range from 0 to 5°C, while afternoon highs will stay between 5 and 9°C, according to Honsová.

Meteorologists are warning of dense morning fog and slippery roads, particularly in lowland and basin areas. The persistent inversion could also worsen air quality, especially in large cities such as Prague, Brno, and Ostrava.

Would you like us to write about your business? Find out more