With the upper-level flow the atmospheric stratification will becoming less stable.

In the coming hours, cumulonimbus clouds will become increasingly common, and localised thunderstorms are expected shortly. These may be severe.

With the upper-level flow the atmospheric stratification will becoming less stable.
The morning is characterised by excellent visibility and largely cloudless skies. As the sun comes out, cumulus clouds will begin to form more frequently, and the risk of thunderstorms will rise rapidly from midday onwards.

The air masses are very warm, and the atmosphere remains unstable.
The morning will be generally fine, although residual clouds from overnight showers may lead to variable cloud cover in some areas; furthermore, isolated thunderstorms cannot be entirely ruled out. With cumulus clouds building up in the afternoon, heat-induced thunderstorms are likely. A northerly foehn wind will pick up in some valleys.

Sunday will bring high-summer conditions with sunshine and localised thunderstorms in the afternoon. On Monday morning, there will be glorious sunshine, but a few thunderstorms will develop again in the afternoon. Tuesday will also bring plenty of sunshine in the morning, after which thunderstorms are likely again. Wednesday will bring plenty of sunshine, with only a slight increase in the likelihood of thunderstorms in the afternoon.