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 - Wentzville Distance
Pittsfield 7.5 km
Walnut Ridge Regional Airport 8.7 km
Washington Airport 16.0 km
Dubuque Regional Airport 17.5 km
Spirit of St. Louis Airport 21.6 km
Macomb Airport 22.1 km
Jonesboro Airport 22.7 km
Corning Airport 22.7 km
Southeast Iowa Regional Airport 29.9 km
Davenport Airport 29.9 km
Muscatine Airport 32.7 km
Newport 36.5 km
Quad Cities Intl. Airport 37.3 km
Fletcher Field 38.0 km
Quincy Regional Airport 39.0 km
Poplar Bluff(Amos) 42.7 km
W Memphis Municipal 43.3 km
Platteville Airport 45.8 km
Farmington Airport 46.4 km
Galesburg Airport 46.7 km
St. Charles 48.2 km
St. Louis Lambert Intl. Airport 53.8 km
Fort Madison 53.9 km
Tunica Airport 56.2 km
Clinton Airport 57.6 km
Keokuk Airport 65.0 km
Hannibal Regional Airport 66.1 km
Jacksonville Airport 67.7 km
Mineral Point 68.7 km
Mount Pleasant Airport 73.7 km
Iowa City Airport 77.4 km
St. Louis Downtown Airport 77.9 km
Stuttgart Airport 80.3 km
Savanna Airport 82.4 km
Batesville Airport 89.3 km
Washington 91.1 km
St. Louis Regional Airport 91.1 km
Memphis Airport 94.6 km
Eastern Iowa Airport 96.7 km
Searcy Airport 99.2 km
Arkansas Intl. Airport 100.2 km
Rolla National Airport 102.1 km
Millington-Memphis Airport 109.4 km
MidAmerica St. Louis Airport 111.3 km
Blytheville Airport 115.0 km
West Plains Regional Airport 117.0 km
Olive Branch Airport 118.3 km
Grider Field 121.1 km
Independence Airport 122.5 km
Oelwen 124.7 km
Fairfield Airport 126.3 km
Sparta 128.0 km
Peoria Airport 129.9 km
Rock Falls Airport 130.6 km
Litchfield Airport 130.9 km
Vinton Airport 131.2 km
Abraham Lincoln Capital Airport 131.7 km
Monroe Airport 140.9 km
Freeport Airport 141.2 km
Cape Girardeau Regional Airport 142.9 km
Waynesville-St. Robert Regional Airport 142.9 km
Sikeston Airport 143.8 km
Jefferson 144.7 km
Little Rock Air Force Base 145.1 km
University-Oxford Airport 146.1 km
Columbia Regional Airport 152.1 km
Clinton National Airport 154.7 km
Dyersburg Regional Airport 161.4 km
Lacon Airport 162.7 km
Logan County Airport 168.2 km
Taylorville Airport 169.3 km
Waterloo Regional Airport 172.9 km
Southern Illinois Airport 178.1 km
Ottumwa Regional Airport 178.2 km
Clinton Airport 178.5 km
Ozark Regional Airport 180.1 km
Marion 180.1 km
Cairo Airport 181.5 km
Oskaloosa Airport 183.1 km
Illinois Valley Regional Airport 189.2 km
Lee C. Fine Memorial Airport 189.3 km
Kirksville Regional Airport 189.3 km
Rockford Airport 194.7 km
Centralia 194.8 km
Rochelle Airport 196.8 km
Southern Wisconsin Regional Airport 202.1 km
Veterans Airport of Southern Illinois 204.1 km
Everett- Stewart Regional Airport 207.5 km
Salem-Leckrone 209.7 km
Grinnell Airport 209.8 km
McKellar- Sipes Regional Airport 215.1 km
Central Illinois Regional Airport 215.2 km
Decatur Airport 220.8 km
Mount Vernon Airport 220.8 km
Centerville Airport 228.1 km
Marshall Town Muni 230.3 km
Tupelo Regional Airport 231.7 km
Barkley Regional Airport 231.9 km
Pella Airport 233.1 km
Metropolis Airport 233.9 km