A high-pressure system will persist over the Alps, bringing warm air masses of subtropical origin.
Sunny weather with summer temperatures. During the day, the amount of sunshine may be reduced by high clouds moving in from the west. In the evening, due to the warm air, thunderstorms – some of which may be severe – are possible in some areas.
Conditions in the mountains will remain good, even though the sky will no longer be clear. During the day, sunshine may be intermittently obscured by high clouds. Towards the evening, cumulus clouds are likely to develop further, leading to an increased likelihood of thunderstorms.
Temperature in 2.000 Meters: 18°C
Temperature in 3.000 Meters: 10°C
0°C Limit: 4400 Meters;
Thicker clouds and thunderstorms will roll in as early as the first half of the day. As the day goes on, the skies will clear and the sun will shine at times. However, localised showers and thunderstorms may form again in the warm, humid air.
On Wednesday, the weather will be sunny to begin with. In the afternoon, heat-related thunderstorms will develop. On Thursday, it will be mainly sunny with a few afternoon thunderstorms. Friday will start off sunny. As the day progresses, the likelihood of thunderstorms will increase significantly. On Saturday too, the weather will be sunny to begin with, but there will be a tendency for cumulus clouds to develop, bringing showers or thunderstorms in the afternoon.