Chamonix Weather Today Friday 26 April

Mild weather, very thick cloudy skies this morning - occasional showers this afternoon
Cloudiness: cloudy to very cloudy, temporarily overcast with ceiling in mid-mountains - cloudy rises from the W, then the SW - sunshine: 20%

Isolated showers possible from midday - more frequent in the middle of the afternoon - rain-snow limit variable between 1500 and 1700 m, increasing this evening - 4-8 cm of snow possible around 2000 m

Winds according to altitude
in valley: calm or slightly variable
in mid-mountains: weak SW - temporarily weak to moderate
in high mountains: WSW to SW irregular - moderate overall

Temperatures in the valley:
min, 0°C
max, +10°C

Altitude of the isotherms:
0°C, 1900 -> 1700 -> 2000 m
-10°C, 3200 -> 3500 m

Saturday 27 April

Foehn weather - marked mild weather - locally very strong winds
Cloudiness: hazy sky at dawn, fairly high clouds quickly becoming thick from the WSW, sun disk barely perceptible - sunshine: 35%

No precipitation in the valley - snowstorm along the border ridge

Wind at altitude: SW moderate -> moderate to strong -> strong in the evening - in the valley: fœhn moderate in the morning - moderate to strong with gusts in the afternoon, locally very strong at the opening of the glacial valleys on the left bank

Temperatures in the valley:
min, +3°C
max, +15°C

Sunday 28 April

More foehn in the morning, overcast skies - giving way to showers in the afternoon
Cloudiness: thick cloudiness overflowing from Italy - sunshine: 0%

Isolated showers in the morning, more frequent in the afternoon - snow around 2000-2200 m, accumulations very variable depending on sectors and exposure to winds

Wind at altitude: strong SW -> strong gale - in the valley: moderate to strong foehn at the beginning of the morning, then easing

Temperatures in the valley: marked increase

Monday 29 to Wednesday 1 May Chamonix Weather