2026-08-28
General situation
High-altitude winds will be blowing from the south-west, bringing moist and unstable air masses towards the Alps.
Sun and clouds will continue to alternate in the afternoon, with Saharan dust causing hazy conditions. Isolated thunderstorms are already possible. In the evening, as a cold front moves through, they will become more frequent and may be heavy in places.
Maximum temperatures ranging from 27° to 31°.
Mountain weather
High-altitude winds will be blowing from the south-west, bringing moist and unstable air masses towards the Alps.
2026-08-29
General situation
Once the cold front has passed, the air pressure begins to rise and a westerly upper-level flow sets in.
Saturday will start with some residual clouds. Then it will be sunny, with only a few clouds appearing in the afternoon. Föhn winds in the northern valleys.
Temperatures around the average, reaching 26° to 31°.
Mountain weather
Once the cold front has passed, the air pressure begins to rise and a westerly upper-level flow sets in.
Forecast
On Sunday, once the local low clouds have cleared, the weather will be very sunny.
Sunny and warm weather is forecast for Monday. Isolated thunderstorms are possible in the afternoon.
Tuesday will also see sunshine in the morning. During the hottest part of the day, showers - some of which may be thunderstorms - are possible.
Mostly cloudy and unstable conditions on Wednesday, decreasing temperatures.

