World

North America



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 - Vandalia Distance
Dayton- Wright Brothers Airport 6.3 km
Dayton Intl. Airport 7.4 km
Clermont County Airport 9.4 km
Wright-Patterson Air Force Base 14.9 km
Lima Allen 19.5 km
Fulton County Airport 20.7 km
Lenawee County Airport 25.5 km
Cincinnati Municipal Lunken Airport 27.5 km
Defiance Memorial Airport 30.6 km
London-Corbin Airport 33.6 km
Owosso Community Airport 35.7 km
Butler 37.5 km
Livingston County Spencer J. Hardy Airport 38.7 km
Springfield- Beckley Airport 39.0 km
Darke County Airport 39.0 km
Mason Jewett Field Airport 40.0 km
Bellefontaine Regional Airport 41.0 km
Jackson 41.1 km
Wilmington Airport 43.0 km
MBS Intl. Airport 43.2 km
Jack Barstow Airport 43.4 km
Oak Ridge 43.6 km
Toledo Express Airport 47.2 km
Hillsdale Airport 49.8 km
Blue Grass Airport 50.5 km
Fleming-Mason Airport 51.4 km
McGhee Tyson Airport 51.5 km
Saginaw 54.6 km
Covington Airport 55.1 km
Lake Cumberland Regional Airport 55.6 km
Capital Region Intl. Airport 56.1 km
Ann Arbor Airport 56.6 km
Findlay Airport 59.1 km
Bishop Intl. Airport 60.3 km
Middlesboro Airport 62.6 km
Toledo Suburban Airport 62.8 km
McMinn County Airport 64.4 km
Western Carolina Regional Airport 64.8 km
Cincinnati West Airport 66.1 km
Gratiot Community Airport 67.0 km
Stuart Powell Field 69.7 km
Mount Pleasant Airport 73.3 km
Fitch H. Beach Airport 75.8 km
Willow Run Airport 77.6 km
London Madison County Airport 80.3 km
Wayne County Airport 81.4 km
Capital City Airport 81.7 km
Toledo Executive Airport 82.3 km
Cleveland Regional Jetport 84.7 km
Custer Airport 87.0 km
Brooks Field 88.9 km
Pontiac Oakland 91.7 km
Union County Airport 92.7 km
Tuscola Area Airport 92.7 km
Harlan Airport 98.7 km
Detroit Metropolitan Airport 98.8 km
Branch County Memorial Airport 99.1 km
Auburn Airport 99.2 km
Morristown Airport 100.3 km
Jackson Julian Carr 100.4 km
Franklin Airport 101.7 km
Tri-State Steuben County Airport 102.0 km
Ionia Airport 102.7 km
Crossville Airport 108.1 km
Lapeer Airport 108.7 km
Fort Wayne Intl. Airport 113.8 km
Jonesville Airport 114.4 km
Oakland/Troy Airport 116.6 km
Bolton Field 116.9 km
Grosse Ile Airport 118.2 km
Delaware Airport 119.1 km
Lebanon-Springfield Airport 120.0 km
W. K. Kellogg Airport 120.4 km
Chattanooga Metropolitan Airport 123.5 km
Ohio State University Airport 124.3 km
Marion Airport 124.7 km
Ross County Airport 129.3 km
Coleman A. Young Intl. Airport 134.5 km
Delaware 135.5 km
Windsor Airport 138.7 km
Rickenbacker Intl. Airport 139.2 km
Sturgis Airport 140.5 km
Bad Axe 142.1 km
Huntington Airport 142.1 km
Madison Airport 143.2 km
John Glenn Columbus Intl. Airport 145.0 km
Harrow CDA (AUT) 145.4 km
Gerald R. Ford Intl. Airport 151.4 km
Roben- Hood Airport 151.5 km
Kalamazoo/Battle Creek Intl. Airport 153.9 km
Selfridge Air National Guard Base 154.2 km
Three Rivers Muni Dr Haines 158.3 km
Anderson Airport 159.6 km
Ashland Airport 161.7 km
Bowman Field 165.9 km
Marion Airport 166.7 km
Fairfield County Airport 170.7 km
Louisville Intl. Airport 173.3 km
Big Sandy Regional Airport 174.3 km
Goshen Airport 178.8 km