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 - Sullivan Distance
Quincy Regional Airport 5.4 km
Newport 5.9 km
Muscatine Airport 7.6 km
Southeast Iowa Regional Airport 8.0 km
W Memphis Municipal 10.3 km
Washington Airport 19.2 km
Fort Madison 19.5 km
Walnut Ridge Regional Airport 28.1 km
Keokuk Airport 30.2 km
Hannibal Regional Airport 31.1 km
Mount Pleasant Airport 39.0 km
Pittsfield 42.8 km
Iowa City Airport 42.8 km
Stuttgart Airport 45.5 km
Dubuque Regional Airport 52.5 km
Batesville Airport 54.2 km
Washington 56.3 km
Spirit of St. Louis Airport 56.9 km
Macomb Airport 57.4 km
Jonesboro Airport 57.7 km
Corning Airport 57.8 km
Eastern Iowa Airport 62.1 km
Searcy Airport 64.1 km
Davenport Airport 65.2 km
Rolla National Airport 66.8 km
Quad Cities Intl. Airport 72.5 km
Fletcher Field 73.1 km
Poplar Bluff(Amos) 77.9 km
Platteville Airport 81.0 km
Farmington Airport 81.6 km
West Plains Regional Airport 81.7 km
Galesburg Airport 82.0 km
St. Charles 83.5 km
Grider Field 86.2 km
Independence Airport 87.8 km
St. Louis Lambert Intl. Airport 89.1 km
Oelwen 90.0 km
Fairfield Airport 91.3 km
Tunica Airport 91.4 km
Clinton Airport 92.9 km
Vinton Airport 96.4 km
Jacksonville Airport 103.0 km
Mineral Point 104.0 km
Waynesville-St. Robert Regional Airport 107.6 km
Jefferson 109.5 km
Little Rock Air Force Base 109.9 km
St. Louis Downtown Airport 113.2 km
Columbia Regional Airport 116.9 km
Savanna Airport 117.7 km
Clinton National Airport 119.5 km
St. Louis Regional Airport 126.3 km
Memphis Airport 129.9 km
Arkansas Intl. Airport 135.4 km
Waterloo Regional Airport 138.0 km
Ottumwa Regional Airport 143.2 km
Clinton Airport 143.3 km
Millington-Memphis Airport 144.7 km
Ozark Regional Airport 144.8 km
Marion 144.9 km
MidAmerica St. Louis Airport 146.6 km
Oskaloosa Airport 148.1 km
Blytheville Airport 150.3 km
Olive Branch Airport 153.6 km
Lee C. Fine Memorial Airport 154.0 km
Kirksville Regional Airport 154.1 km
Sparta 163.3 km
Peoria Airport 165.1 km
Rock Falls Airport 165.8 km
Litchfield Airport 166.1 km
Abraham Lincoln Capital Airport 167.0 km
Grinnell Airport 174.8 km
Monroe Airport 176.2 km
Freeport Airport 176.4 km
Cape Girardeau Regional Airport 178.1 km
Sikeston Airport 179.1 km
University-Oxford Airport 181.3 km
Centerville Airport 193.0 km
Marshall Town Muni 195.3 km
Dyersburg Regional Airport 196.6 km
Lacon Airport 197.9 km
Pella Airport 198.1 km
Logan County Airport 203.4 km
Taylorville Airport 204.5 km
Newton Airport 206.3 km
Dexter B. Florence Memorial Field 212.0 km
Southern Illinois Airport 213.4 km
Russellville Regional Airport 213.6 km
Memorial Field Airport 215.7 km
Cairo Airport 216.8 km
Knoxville 217.4 km
Boone 220.9 km
Illinois Valley Regional Airport 224.4 km
Sedalia Regional Airport 224.5 km
Branson Airport 226.5 km
Rockford Airport 229.9 km
Centralia 230.1 km
Rochelle Airport 232.0 km
Iowa Falls Airport 234.7 km
Southern Wisconsin Regional Airport 237.3 km
Veterans Airport of Southern Illinois 239.3 km