The sun will shine with just a few clouds until midday. From midday onwards, cumulus clouds will form, particularly in the mountainous regions, and the first thunderstorms and rain showers will soon break out in the Tauern area. Over the course of the afternoon, the thunderstorms will spread to the mountainous regions. In the evening and overnight, thunderstorms accompanied by gusts of wind will also pass over the Flachgau region. It will be the warmest day of the heatwave, with temperatures reaching 32 to 37 degrees in the afternoon.

In the morning, the sun will shine at times through scattered clouds. From midday onwards, clouds will become more prevalent, bringing widespread rain showers and thunderstorms. Locally, heavy rain is possible during thunderstorms. In the morning, temperatures will range from 12 to 21 degrees; in the afternoon, they will reach 27 to 31 degrees.

The sun is often out on Sunday. From midday onwards, thunderstorms and showers will develop from cumulus clouds, particularly in the mountainous regions. In the morning, temperatures will range from 14 to 19 degrees; in the afternoon, they will reach 29 to 33 degrees.

On Monday, it will be mostly sunny. Cumulus clouds will form in the afternoon, particularly over the mountainous regions, leading to a few thunderstorms. In the morning, temperatures will range from 15 to 21 degrees; in the afternoon, they will reach 30 to 35 degrees.