On Sunday, the sun is set to shine largely unclouded until just after midday. After that, a few cumulus clouds, some of them quite thick, will reappear, particularly over the mountains. A few thunderstorms will subsequently develop, especially in the mountainous regions. Further north, lightning and thunder are likely to be the exception. Lowest temperatures: 12 to 20 °C; highest temperatures: 28 to 33 °C.

On Monday, the weather will remain mainly sunny and hot, with summer-like temperatures. In the afternoon, isolated heat-induced thunderstorms will develop, particularly in the mountainous regions. A moderate north-westerly wind will blow. Minimum temperatures: 12 to 19 °C; maximum temperatures: 28 to 33 °C.

Tuesday will start off mainly sunny. During the day, a few cumulus clouds will reappear, particularly over the mountains, and local heat-induced thunderstorms will form in the afternoon as a result. The wind will be blowing from the north-west, at times briskly, particularly in the Lungau region. Minimum temperatures: 12 to 19 °C; maximum temperatures: 28 to 32 °C.