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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Nearby Weather Stations - Courmayeur Distance
Great St Bernard 22.2 km
Bourg-Saint-Maurice 32.1 km
Aosta Valley Airport 41.5 km
Evionnaz 42.6 km
Les Attelas 45.8 km
Fey 52.8 km
Aigle 59.4 km
Sion Airport 60.2 km
Les Diablerets 63.1 km
Le Bouveret 67.1 km
Evolène 67.9 km
Crans-Montana 76.5 km
Château-d'Œx 77.1 km
Pian Rosa 82.0 km
Moléson 82.5 km
Pully 86.2 km
Oron 86.5 km
Zermatt 89.3 km
Gornergrat 91.6 km
Monte Rosa-Plattje 94.2 km
Villars-Tiercelin 95.8 km
Annecy Airport 98.7 km
Torino/Caselle 99.3 km
Adelboden 101.0 km
Boltigen 101.3 km
Briançon 104.4 km
Grächen 104.5 km
Turin-Aeritalia Airport 104.7 km
Nyon (Changins) 107.2 km
Bière 107.3 km
Geneva Airport 107.3 km
Fribourg Posieux 108.3 km
Gstaad-Skiarea 109.6 km
Visp 110.6 km
Payerne 111.9 km
Mathod 114.0 km
Blatten 115.9 km
Turin / Bric della Croce 118.9 km
La Dôle 120.2 km
La Fretaz 123.6 km
Chambery/Aix Bains 124.1 km
Wimmis 124.4 km
Neuchâtel 128.4 km
Mühleberg 133.7 km
Bern-Belp 136.1 km
La Brévine 137.3 km
Interlaken 137.9 km
Chaumont 138.0 km
Cressier 138.1 km
Jungfraujoch 138.7 km
Eggishorn 141.5 km
Grenonble Lvd Airport 141.6 km
Zollikofen 142.0 km
La Chaux-de-Fonds 143.4 km
Embrun 146.6 km
Chasseral 147.6 km
Binn 148.2 km
Langnau im Emmental 155.6 km
Cuneo Intl. Airport 156.6 km
Grenchen 159.7 km
Koppigen 161.3 km
Ulrichen 166.7 km
Meiringen 167.4 km
Napf 170.4 km
Schüpfheim 170.7 km
Grimsel-Hospiz 172.4 km
Delémont 176.2 km
Giswil 177.4 km
Fahy 180.5 km
Mondovì 181.8 km
Wynau 183.2 km
Lago di Robièi 185.1 km
Ambérieu-en-Bugey 185.4 km
Cevio 189.2 km
Novara / Cameri 190.0 km
Egolzwil 190.0 km
Alpes 190.4 km
Alpnach Airport 192.2 km
Pilatus 192.2 km
Titlis 193.0 km
Monte Malanotte 193.8 km
Besançon 194.8 km
Engelberg 194.8 km
Milan Malpensa Airport 195.1 km
Dorans 198.7 km
Lucerne 200.0 km
Hospental 200.0 km
Buochs Airport 202.1 km
Binningen 203.5 km
Naetschen 204.6 km
Obergösgen 204.7 km
Emmen Airport 204.9 km
Locarno/Monti 205.0 km
Piotta 205.1 km
Cimetta 206.1 km
Rünenberg 206.3 km
EuroAirport Basel Mulhouse Freiburg 207.4 km
Mosen 211.5 km
Lyon- Saint-Exupéry Airport 212.3 km
Buchs 213.4 km