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Four Valleys Snow Forecast - 18th February 2026

Four Valleys Snow Report and Forecast

ECMWF IFS
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Snow Forecast for Four Valleys

This is the Snow and Weather for Four Valleys from 18 February.

Updated 18 February 2026 12:46 UTC.

For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Four Valleys.

Four Valleys Snow Forecast Highlights

When will there be fresh snow in Four Valleys?

Four Valleys Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,205m)
Next Snow Expected18 February
Next Snow Amount 2cm 1in
Next 48 Hours 16cm 6in
Next 7 Days 16cm 6in
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Forecast for today in Four Valleys

Max 6℃ 43°F
Min -4℃ 25°F

Freeze-thaw conditions, with valley temperatures cooling to -4℃ 25°F and rising to 6℃ 43°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
18

1cm to 2cm 1in New Snow

CloudSnowCloudCloud

Cloudy, heavy snow showers, cloudy later.

Snow Line from 1,418m 4,652ft to resort level ( 1,080m 3,543ft ).

Forecast times for Four Valleys are in Zurich (Europe/Zurich) time zone.

Powder Alert!

Powder Alarm issued 18 February 2026 16:44 UTC

Powder Possible :- 16cm 6in of Fresh Snow is forecast for Four Valleys over the next 2 days.

*
ECMWF IFS - at altitude

Four Valleys Snow Report

Snow report from Grimentz ( 17km 11 miles from Four Valleys)

Grimentz Snow Depths and Conditions.
Upper Snow Depths 165cm 65in
Lower Snow Depths 60cm 24in
Snow Conditions 15cm 6in Fresh Snow
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Last Snow18 February
Snow in last 24Hrs +15cm +6in

Ski area reported to be open, with 15 lifts running.

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Four Valleys 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Four Valleys from OpenMeteo(ECMWF IFS)
Wed
18
Thu
19
Fri
20
Sat
21
Sun
22
Mon
23
Tue
24
Wind
3,330m 10,925ft
-8℃ 17°F
Lt Snow Shwrs
+2cm +1in
-11℃ 11°F
Snow
+8cm +3in
-11℃ 11°F
Snow
+7cm +3in
-7℃ 19°F
Lt Snow Shwrs
-3℃ 26°F
Cloud
-7℃ 19°F
Cloud
-2℃ 27°F
Clear
2,205m 7,234ft
-1℃ 31°F
Lt Snow Shwrs
+2cm +1in
-5℃ 23°F
Snow
+8cm +3in
-3℃ 26°F
Snow
+6cm +2in
1℃ 33°F
Cloud
4℃ 38°F
Cloud
1℃ 34°F
Cloud
5℃ 40°F
Clear
1,080m 3,543ft
6℃ 43°F
Cloud
+1cm +1in
2℃ 36°F
Snow
+7cm +3in
5℃ 40°F
Snow
+7cm +3in
8℃ 47°F
Cloud
11℃ 52°F
Cloud
8℃ 46°F
Cloud
12℃ 53°F
Clear
Snow Line

varying 1,418m 4,652ft
to 1,080m 3,543ft

varying 1,188m 3,898ft
to 1,080m 3,543ft

varying 1,557m 5,108ft
to 1,080m 3,543ft

1,111m 3,645ft

varying 1,572m 5,157ft
to 1,249m 4,098ft

Max Town 6℃ 43°F 2℃ 36°F 5℃ 40°F 8℃ 47°F 11℃ 52°F 8℃ 46°F 12℃ 53°F
Min Town -4℃ 25°F -2℃ 28°F 0℃ 32°F -2℃ 28°F -2℃ 27°F 0℃ 32°F 0℃ 32°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Snow Forecast near Four Valleys

Snow Forecasts for Ski Resorts near Four Valleys
Ski Area 48 Hr 7 DayWeThFrSaSuMoTu
Argentière 33cm 13in 34cm 13in
Villars - Gryon 28cm 11in 28cm 11in
Champéry 25cm 10in 26cm 10in
Nendaz 22cm 8in 23cm 9in
Thyon les Collons 18cm 7in 19cm 7in
Veysonnaz 18cm 7in 19cm 7in
Bruson 17cm 7in 18cm 7in
Evolène 17cm 7in 18cm 7in

Snow Reliability

Four Valleys boasts reliable snow conditions, with average snow depths of 150-300 cm throughout the season. For the latest snow information, including current conditions and forecasts, check J2Ski.

Understanding and predicting Snow Conditions in Four Valleys

Here are our tips for making the most of a trip to Four Valleys, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Four Valleys, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Four Valleys is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Four Valleys will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Four Valleys for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.