Zervreila

Fresh and drifted snow from the last week is lying in many places on a faceted old snow surface or on surface hoar, especially on wind-protected shady slopes. The connection to the old snow surface is therefore poor in many places. South of a line from the Rhône to the Rhine, the entire snowpack is often faceted and loose. Here, avalanches may fracture down to near-ground layers. On the northern flank of the Alps, in Valais and in northern Grisons, avalanches may still become dangerously large. Many whumpfing sounds and remote triggering over larger distances are still being reported from Valais and northern Grisons. The probability of slab avalanches being triggered remains high here and the situation requires patience.

With the mild weather, the snow became wet at low and intermediate altitudes.

It was mostly sunny in the north, despite the high cloud cover. It was cloudy in the south, but mainly dry.

Fresh snow

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Temperature

At midday at 2000 m, between +1 °C in the north and -2 °C in the south

Wind

Mostly moderate southwesterly

On Thursday it will be mostly sunny in the north. It will be very cloudy in the south and there will be a little light snowfall in some localities above 1300 m.

Fresh snow

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Temperature

At midday at 2000 m, between +1 °C in the north and -3 °C in the south

Wind

• Moderate and locally strong southwesterly winds
• There will be foehn winds in the valleys of the north during the course of the day.

There will be moderate to strong southwesterly winds and foehn winds in the valleys of the north.

It will be mostly sunny in the north on Friday, but only towards the east on Saturday. It will be very cloudy in the south on both days and snow will fall above approximately 1200 m. Up to 10 cm will fall on Friday. The amounts are still very uncertain for Saturday, especially from the Simplon region to the Valle Maggia.

Deeper layers of snow will stabilise only slowly due to the weak old snowpack, especially in areas south of a line from the Rhône to the Rhine. With the foehn wind, easily triggerable snowdrift accumulations will develop in the north from Friday and the avalanche risk will increase slightly.

In the south, the avalanche danger will increase slightly on Friday and appreciably on Saturday, depending on the amount of fresh snow.