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St-Luc Snow Forecast - 18th May 2026

St-Luc Snow Report and Forecast

ECMWF IFS
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Updated 18 May 2026 02:44 CDT

Snow Forecast for St-Luc

Snow and Weather from 18 May.

For Forecast detail, see below.

St-Luc Snow Forecast Highlights

When will there be fresh snow in St-Luc?

St-Luc Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,325m)
Next Snow Expected18 May
Next Snow Amount4cm
Next 48 Hours4cm
Next 7 Days4cm
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Forecast for today in St-Luc

Max 7℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
18

up to 4cm New Snow

CloudMixedLt DrizzleLight Snow

Cloudy first, clear spells then light drizzle, light snow at altitude later.

Snow Line from 2,419m to 1,758m, with rain below.

Forecast times for St-Luc are in Zurich (Europe/Zurich) time zone.

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St-Luc 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for St-Luc from OpenMeteo(ECMWF IFS)
Mon
18
Tue
19
Wed
20
Thu
21
Fri
22
Sat
23
Sun
24
Wind
3,000m
-2℃
Snow
+4cm
0℃
Cloud
1℃
Cloud
+1cm
7℃
Mixed
10℃
Clear
10℃
Clear
9℃
Lt Drizzle
2,325m
2℃
Snow
+4cm
4℃
Cloud
6℃
Cloud
12℃
Mixed
15℃
Clear
15℃
Clear
13℃
Lt Drizzle
1,650m
7℃
Snow
10℃
Cloud
14℃
Lt Drizzle
18℃
Mixed
20℃
Clear
21℃
Fair
19℃
Lt Drizzle
Snow Line

varying 2,419m
to 1,758m

1,742m

varying 2,235m
to 2,188m

Max Town7℃10℃14℃18℃20℃21℃19℃
Min Town1℃-3℃5℃-3℃2℃6℃8℃

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 St-Luc

Snow Forecasts for Ski Resorts near St-Luc
Ski Area 48 Hr 7 DayMoTuWeThFrSaSu
Adelboden11cm 11cm
Zermatt3cm 11cm
Grimentz8cm 8cm
Zinal9cm 9cm
Chandolin7cm 7cm
Saas-Fee4cm 4cm
Sierre-Anniviers7cm 7cm
Gstaad Mountain Rides5cm 5cm

Snow Reliability

St-Luc typically enjoys a solid snow cover with an average depth of 80-150 cm during peak season. The region receives ample snowfall, ensuring dependable conditions, but for the latest updates, check J2Ski for current snow information.

Understanding and predicting Snow Conditions in St-Luc

Here are our tips for making the most of a trip to St-Luc, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in St-Luc, 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 St-Luc 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 St-Luc 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 St-Luc 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.