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St-Luc 7-Day Snow Forecast - 20th September 2026

St-Luc Snow Forecast - 7 day

ECMWF IFS
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Updated 20 September 2026 09:49 UTC

7-Day Snow Forecast for St-Luc

1-week from 20 September.

For Forecast detail, see below.

St-Luc 7-Day 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?
There is no snow currently in the forecast for St-Luc.
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7-Day Snow Outlook for St-Luc

 
Snowfall

 
Snow Line

Max 22℃ 71°F
Min 3℃ 37°F

Snow unlikely

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St-Luc Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 21℃ 70°F
Min 4℃ 40°F

Valley temperatures from an overnight low of 4℃ 40°F to daytime highs around 21℃ 70°F

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

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

Max 21℃ 70°F
Min 5℃ 41°F

Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 21℃ 70°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudCloudCloudMixed

Cloudy early, then clear spells later.

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

Max 21℃ 69°F
Min 4℃ 39°F

Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 21℃ 69°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 21℃ 69°F
Min 3℃ 37°F

Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 21℃ 69°F

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

CloudClearClearFair

Cloudy, clear sky, fair later.

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

Max 18℃ 65°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 18℃ 65°F

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

ClearMixedCloudClear

Clear sky first, clear spells then cloudy, clear sky later.

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

Max 22℃ 71°F
Min 3℃ 38°F

Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 22℃ 71°F

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

FairFairFairClear

Fair early, then clear sky later.

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

Max 22℃ 71°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 22℃ 71°F

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

ClearClearClearClear

Clear sky.

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

No significant snowfall is forecast for this period.

This Snow Forecast for St-Luc, Switzerland gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in St-Luc, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

St-Luc Snow Forecast updated at 09:49 UTC, next update expected 15:00 UTC.

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.