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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.


Estações Meteorológicas Próximas - Marshall Distância
Southwest Minnesota Regional Airport 0.0 km
Slayton Aeroporto 6.5 km
Montevideo (Awos) 12.5 km
Sheldon 14.1 km
Aeroporto Municipal de Benson 20.9 km
Morris Aeroporto 20.9 km
Appleton Aeroporto 22.2 km
Tracy Municipal Airport 22.9 km
Elbow Lake 26.4 km
Worthington 27.4 km
Detroit Lakes Airport 28.0 km
Granite Falls Municipal Airport 28.9 km
Orange 32.6 km
Mahnomen Aeroporto 34.3 km
Cherokee Aeroporto 34.7 km
Fosston 35.6 km
Council Bluffs Aeroporto 36.2 km
Omaha/Eppley Field Airport 37.0 km
Offutt AFB 39.5 km
Madison 41.3 km
Plattsmouth Aeroporto 41.4 km
Fergus Falls Municipal Airport 42.8 km
Nebraska 43.8 km
Luverne Municipal Airport 45.3 km
Le Mars Municipal Airport 46.3 km
Blair Aeroporto 47.8 km
Alexandria Municipal Airport 48.9 km
Canby Aeroporto 49.7 km
Tekamah (Asos) 49.9 km
Millard Airport 50.0 km
Roseau Muni (Awos) 50.8 km
Falls City/Brenner 54.0 km
Denison 55.2 km
Pipestone Municipal Airport 55.9 km
Glenwood (Asos) 57.1 km
Thief River Falls Regional Airport 58.6 km
Shenandoah Muni 60.0 km
Harlan Aeroporto 61.5 km
Ortonville 67.5 km
Sioux Gateway Airport 67.6 km
Storm Lake Municipal Airport 67.9 km
Spencer Aeroporto 69.7 km
Wadena Municipal Airport 70.7 km
Warroad International Memorial Airport 71.3 km
Red Oak Municipal Airport 71.5 km
Willmar Municipal Airport 76.8 km
Wheaton Municipal Airport 77.5 km
Windom 78.1 km
Redwood Falls Muni 81.6 km
Fremont Aeroporto 86.1 km
Park Rapids Municip 87.4 km
Olivia Aeroporto 87.6 km
Harry Stern Airport 90.6 km
Center for Earth Resources Observations 90.7 km
Atlantic Municipal Airport 91.5 km
Jackson Municipal Airport 93.1 km
Wahoo Municipal Airport 94.8 km
Clarinda 95.6 km
Crookston Municipal Airport 98.0 km
Moorhead Municipal Airport 98.5 km
Sauk Centre Muni 99.5 km
Aeroporto Regional de Sioux Falls 102.6 km
Bemidji Regional Airport 103.3 km
Audubon County Airport 103.8 km
Long Prairie Aeroporto 107.1 km
Brookings Regional Airport 111.3 km
Lincoln Airport 112.7 km
Aeroporto Internacional Hector 113.5 km
Staples 114.9 km
Beatrice Municipal 115.5 km
Arthur N. Neu Airport 117.0 km
Estherville Muni 119.2 km
Paynesville Aeroporto 120.3 km
Sisseton Aeroporto 130.7 km
Wayne Aeroporto 132.5 km
Walker Aeroporto 133.2 km
Hallock 137.0 km
Madison Municipal Airport 140.9 km
Baudette Intl. Airport 142.0 km
Litchfield Aeroporto 145.8 km
New Ulm Municipal Airport 146.6 km
Watertown Regional Airport 148.6 km
Waskish Muni Airpt 149.3 km
Fairmont Municipal Airport 156.0 km
Aeroporto Internacional de Grand Forks 158.3 km
Hutchinson Municipal Airport 159.6 km
Pine River 161.1 km
Little Falls/Morrison 163.9 km
Creston 164.9 km
Algona Municipal Airport 173.0 km
Columbus Municipal Airport 173.1 km
Chan Gurney Municipal Airport 175.8 km
Grafton Aeroporto 180.1 km
Longville Municipal Airport 181.6 km
Grand Forks Air Force Base 181.8 km
Norfolk Regional Airport 182.7 km
Fort Dodge Regional Airport 182.7 km
Perry Municipal Airport 186.1 km
Brainerd Lakes Regional Airport 188.3 km
Glencoe Aeroporto 192.2 km