Vissoie

This Monday, fairly to mostly sunny weather despite sometimes extensive high-altitude clouds. A deterioration with rain and thunderstorms is expected in the evening and overnight, with locally strong showers and storms possible in all regions. Warm temperatures during the day. Forecast temperatures in the Rhône Valley: lows 11 to 15°, highs 27 to 29°. At stations around 1,500 m: lows 9 to 12°, highs 22 to 24°. On the peaks: 11/19° at 2000 m, 5/9° at 3000 m. 0° isotherm: 4000 m. A light breeze during the day in the Rhône Valley. Moderate southwesterly winds in the high mountains.

Tuesday: Conditions will improve with the return of sunny weather. However, isolated showers or thunderstorms may develop again in the mountains in the afternoon. Summer temperatures: 26 to 29°, 21° at 1,500 m. Wednesday and Thursday: Sunny and summer-like warmth, despite occasional cloud cover and cumulus clouds over the mountains. Highs: 27 to 30° in the Rhône Valley, 24° at 1,500 m. Rain and thunderstorms expected overnight from Thursday to Friday. Friday: Cloudy with showers early in the day, followed by clearing skies and a return to dry, sunnier conditions. Possible worsening of conditions again in the evening and overnight. Seasonal temperatures: 23 to 25° in the Rhône Valley, 20° at 1,500 m. Saturday: variable skies with a few scattered showers in Lower Valais, but likely drier conditions in Central Valais and Upper Valais. Highs: 22 to 25° in the Rhône Valley, 17° at 1,500 m. Sunday will be sunny and warmer. Highs: 25 to 27° in the Rhône Valley, 22° at 1,500 m.