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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.


Estaciones meteorológicas cercanas - Smithfield Distancia
Logan-Cache Airport 2.8 km
Brigham City Airport 24.7 km
Ogden-Hinckley Airport 31.2 km
Hill Air Force Base 31.8 km
Salt Lake City Intl. Airport 45.0 km
Provo Airport 68.9 km
Idaho Falls Regional Airport 73.5 km
Rexburg 83.1 km
Pocatello Regional Airport 93.5 km
Evanston Airport 95.8 km
Afton Airport 108.9 km
Driggs Airport 115.7 km
Delta Airport 125.4 km
Michael Army Airfield 137.5 km
West Yellowstone Airport 143.2 km
Jackson Hole Airport 145.0 km
Kemmerer Municipal Airport 145.8 km
Price/Carbon 153.3 km
Dillon Airport 162.6 km
Fort Bridger Airport 163.6 km
Bryce Canyon Airport 175.3 km
Bozeman Yellowstone Intl. Airport 180.4 km
Bert Mooney Airport 186.8 km
Hanksville Airport 189.1 km
Milford Municipal 193.5 km
Miley Memorial Field Airport 198.8 km
Burley Airport 213.6 km
Mission Field 221.3 km
Cedar City Regional Airport 223.1 km
Ralph Wenz Field 232.4 km
Wendover Airport 245.9 km
Dubois Airport 251.5 km
Canyonlands Regional Airport 265.2 km
Vernal Regional Airport 267.3 km
Friedman Memorial Airport 280.4 km
Saint George 280.9 km
Challis Airport 286.4 km
Jerome 290.3 km
Magic Valley Regional Airport 292.7 km
Southwest Wyoming Regional Airport 311.8 km
Blanding Airport 313.4 km
Yellowstone Regional Airport 333.9 km
Ely Airport 350.6 km
Lander/Hunt Field AP 350.9 km
Stanley 356.6 km
Powell Airport 361.6 km
Riverton Airport 382.2 km
Grand Junction Regional Airport 385.4 km
Nucla 392.7 km
Cortez Airport 399.8 km
Billings Logan Intl. Airport 401.0 km
South Big Horn Co Arpt 433.2 km
Elko Regional Airport 438.3 km
Delta 438.8 km
Worland Airport 443.4 km
Worland Airport 443.4 km
Meeker 446.7 km
Mountain Home Air Force Base 448.6 km
Montrose Airport 459.1 km
Telluride Regional Airport 465.2 km
Eureka (Ramos) 468.1 km
Garfield County Regional Airport 468.8 km
Craig 484.9 km
Dixon Airport 487.8 km
Durango 490.8 km
Rawlins Airport 519.5 km
Yampa Valley Airport 520.0 km
Stevens Field 561.0 km

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