Arc 1600 Snow Forecast - 7 day
Updated 20 September 2026 03:02 PDT
7-Day Snow Forecast for Arc 1600
1-week from 20 September.
For Forecast detail, see below.
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Arc 1600 7-Day Snow Forecast Highlights
When will there be fresh snow in Arc 1600?
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7-Day Snow Outlook for Arc 1600
Snowfall
Snow Line
Max 69°F
Min 42°F
Snow unlikely
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Arc 1600 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 67°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 67°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sun
20
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
Max 65°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 65°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Cloudy first, clear spells then cloudy, clear spells later.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
Max 66°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 66°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Clear sky.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
Max 64°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 64°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Clear sky early, then fair later.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
Max 63°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 63°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Clear sky, clear spells, clear sky later.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
Max 68°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 68°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Fri
25
Snow unlikely
Cloudy, clear spells, clear sky later.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
Max 69°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 69°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sat
26
Snow unlikely
Clear sky.
Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.
No significant snowfall is forecast for this period.
This Snow Forecast for Arc 1600, France 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 Arc 1600, on any given trail 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.
Arc 1600 Snow Forecast updated at 03:02 PDT, next update expected imminently.
Snow Reliability
Arc 1600 benefits from a good snow reliability with a typical depth of around 150 cm during peak season. For the latest snow conditions and updates, check J2Ski for accurate and timely information.