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Altastenberg Snow Forecast - 20th March 2026

Altastenberg Snow Report and Forecast

ECMWF IFS
GFS

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Updated 21 March 2026 05:44 AEDT

Snow Forecast for Altastenberg

Snow and Weather from 20 March.

For Forecast detail, see below.

Altastenberg Snow Forecast Highlights

When will there be fresh snow in Altastenberg?

Altastenberg Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (700m)
Next Snow Expected25 March
Next Snow Amount1cm
Next 48 Hours-
Next 7 Days6cm

Forecast for today in Altastenberg

Max 11℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 11℃

Temperature at BaseTemp at Base

Fri
20

Snow unlikely

ClearCloudMixedClear

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

Forecast times for Altastenberg are in Berlin (Europe/Berlin) time zone.

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Altastenberg 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Altastenberg from OpenMeteo(ECMWF IFS)
Fri
20
Sat
21
Sun
22
Mon
23
Tue
24
Wed
25
Thu
26
WindE F2SE F3SW F3SW F3NW F3
800m
10℃
Cloud
8℃
Clear
10℃
Clear
10℃
Clear
12℃
Cloud
6℃
Light Snow
+1cm
0℃
Snow
+3cm
E F2SE F3SW F3SW F3NW F3
700m
11℃
Cloud
9℃
Clear
11℃
Clear
11℃
Clear
13℃
Cloud
7℃
Light Snow
+1cm
1℃
Snow
+3cm
E F2SE F3SW F3SW F3NW F3
600m
11℃
Cloud
9℃
Clear
11℃
Clear
11℃
Clear
13℃
Cloud
7℃
Light Snow
+1cm
1℃
Snow
+3cm
Snow Line

600m

600m

Max Town11℃9℃11℃11℃13℃7℃1℃
Min Town3℃2℃1℃2℃3℃-1℃-1℃

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 Altastenberg

Snow Forecasts for Ski Resorts near Altastenberg
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
Wintersport Arena Sauerland-7cm
Bödefeld-6cm
Willingen-Upland-5cm
Bad Berleburg-4cm
Usseln-4cm
Winterberg-4cm
Brilon-3cm
Bruchhausen / Olsberg-3cm

Snow Reliability

Altastenberg enjoys reliable snow conditions, with an average snow depth of 60-120 cm during peak season. For the latest snow conditions, check J2Ski for up-to-date information.

Understanding and predicting Snow Conditions in Altastenberg

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